索尼SONY HCD-DX20音响图纸
)
)
)
)
)
)
)
)
)
)
HCD-DX20/RG30
AEP Model
UK Model
HCD-RG30
E Model
HCD-DX20
SERVICE MANUAL
MINI HIFI COMPONENT SYSTEM
Ver 1.0 2001.06
Sony Corporation
Home Audio Company
Shinagawa Tec Service Manual Production Group
9-873-858-11
2001F0200-1
© 2001.6
• HCD-DX20/RG30 is the tuner,
deck, CD and amplifier section in
MHC-DX20/RG30.
Model Name Using Similar Mechanism
HCD-DX30/RG40
CD
CD Mechanism Type
CDM58B-K6BD38
Section
Base Unit Name
BU-K6BD38
Optical Pick-up Name
KSM-213DCP
Tape deck
Model Name Using Similar Mechanism
NEW
Section
— Continued on next page —
SPECIFICATIONS
Photo: HCD-DX20
SPEAKER:
accepts impedance of 6 to 16 ohms
CD player section
System
Compact disc and digital audio system
Laser
Semiconductor laser (λ=780 nm)
Emission duration: continuous
Laser output
Max. 44.6 µW*
* This output is the value measured at a distance
of 200 mm from the objective lens surface on
the Optical Pick-up Block with 7 mm aper-
ture.
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Wavelength
780 – 790 nm
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
660 nm
Output Level
–18 dBm
Amplifier section
European models:
HCD-RG30:
DIN power output (rated) 50 + 50 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
60 + 60 watts (6 ohms at 1 kHz, 10% THD)
Music power output (reference)
115 + 115 watts (6 ohms at 1 kHz, 10% THD)
Other models:
HCD-DX20:
The following measured at AC 120, 220, 240 V 50/60 Hz
DIN power output (rated) 50 + 50 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
60 + 60 watts (6 ohms at 1 kHz, 10% THD)
Inputs
MD/VIDEO (AUDIO) IN (phono jacks):
voltage 450/250 mV, impedance 47 kilohms
GAME (AUDIO) IN (phono jacks):
voltage 450 mV, impedance 47 kilohms
MIC (mini jack):
sensitivity 1 mV, impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of 8 ohms or more
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
2007.05.11
QQ :376315150
手机:13942296513
2
HCD-DX20/RG30
Tape deck section
Recording system
4-track 2-channel stereo
Frequency response
40 – 13,000 Hz (±3 dB), using Sony TYPE I
cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75 ohm unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
European and Middle Eastern models:
531 – 1,602 kHz (with the interval set at 9 kHz)
Other models:
531 – 1,602 kHz (with the interval set at 9 kHz)
530 – 1,710 kHz (with the interval set at 10 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
European models:
230 V AC, 50/60 Hz
Mexican models:
120 V AC, 50/60 Hz
Other models:
120 V, 220 V or 230 – 240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption
European models:
110 watts
0.5 watts (at the Power Saving Mode)
Other models:
110 watts
Dimensions (w/h/d)
Approx. 280 x 325 x 421 mm
Mass
European models:
Approx. 8.5 kg
Other models:
Approx. 8.5 kg
Supplied accessories:
AM loop antenna (1)
Remote Commander (1)
Batteries (2)
FM lead antenna (1)
Front speaker pads (8)
Design and specifications are subject to change without notice.
This appliance is classified as a CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radia-
tion exposure.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, ob-
serve from more than 30 cm away from the objective lens.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
3
HCD-DX20/RG30
TABLE OF CONTENTS
MODEL IDENTIFICATION
— BACK PANEL —
MODEL
RG30
DX20: E2, E51, EA, SP, AR models
DX20: KR, MX, TH models
PARTS No.
4-234-032-2s
4-234-091-0s
4-234-091-6s
• Abbreviation
EA
: Saudi Arabia model
SP
: Singapore model
TH
: Thai model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
E51
: Chiri and Peru model
E2
: Central and South America model
PARTS No.
1.
SERVICE NOTE .............................................................. 4
2.
GENERAL ......................................................................... 5
3.
DISASSEMBY ................................................................. 7
4.
TEST MODE................................................................... 13
5.
ELECTRICAL ADJUSTMENTS .............................. 17
6.
DIAGRAMS
6-1.
Circuit Board Location ..................................................... 19
6-2.
Block Diagrams –Tuner Section– ................................... 20
Block Diagrams –Main Section– .................................... 21
6-3.
Printed Wiring Board –BD Section– ............................... 22
6-4.
Schematic Diagram –BD Section– .................................. 23
6-5.
Printed Wiring Board –Main Section– ............................ 24
6-6.
Schematic Diagram –Main Section (1/5) – ..................... 25
6-7.
Schematic Diagram –Main Section (2/5) – ..................... 26
6-8.
Schematic Diagram –Main Section (3/5) – ..................... 27
6-9.
Schematic Diagram –Main Section (4/5) – ..................... 28
6-10. Schematic Diagram –Main Section (5/5) – ..................... 29
6-11. Printed Wiring Board –Power AMP Section– ................. 30
6-12. Schematic Diagram –Power AMP Section–..................... 31
6-13. Printed Wiring Board –Panel Section– ............................ 32
6-14. Schematic Diagram –Panel Section– ............................... 33
6-15. Printed Wiring Board –Trans Section– ............................ 34
6-16. Schematic Diagram –Trans Section– ............................... 35
6-17. Printed Wiring Board –Driver Section– ........................... 36
6-18. Schematic Diagram –Driver Section–.............................. 36
6-19. IC Pin Function Description ............................................. 37
6-20. IC Block Diagrams............................................................ 40
7.
EXPLODED VIEWS
7-1.
Main Section..................................................................... 43
7-2.
Front Panel Section .......................................................... 44
7-3.
Chassis Section ................................................................. 45
7-4.
CD Mechanism Deck Section .......................................... 46
8.
ELECTRICAL PARTS LIST ...................................... 47
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
4
HCD-DX20/RG30
SECTION 1
SERVICE NOTE
1 Connector
13p (CN712)
2 Cut the seven melted-connection points
with a cutting plier.
4 Cut the six melted-connection points
with a cutting plier.
3 Panel board
5 Key board
Panel board
(ten screw holes)
Key board
(eight screw holes)
Screw hole
In order to re-install the panel board and the key board,
fix them by using the screws (+BVTP 2.6 × 8 ) respectively.
Screw in to the respective screw holes.
Do not tighten the screws excessively.
* The panel board and the key board only are connected to the front panel
by means of hot-melting the plastics.
Note for installing the panel board and the key board
REMOVING THE PANEL BOARD AND THE KEY BOARD
Hot melt
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
5
HCD-DX20/RG30
This section is extracted
from instruction manual.
SECTION 2
GENERAL
Main unit
ql
w;
qj
qh
qk
qg
qd
qf
wa
ws
wd
wf
wg
wh
wj
wk
eg
ef
ed
es
e;
wl
1 2 3 4
6
5
8 9 q;
qa
qs
7
ea
AUDIO jacks ed
CD qs
CD SYNC wf
Deck A wl
Deck B w;
DIRECTION*1 7
DISC 1 – 3 wa
DISC SKIP EX-CHANGE ea
Disc tray 8
DISPLAY 7
EDIT 7
EFFECT ON/OFF 4
ENTER 0
GAME eg
GAME EQ 2
GROOVE 3
KARAOKE PON*2 es
MD (VIDEO) qg
MIC jack*2 e;
MIC LEVEL control*2 wj
MOVIE EQ 9
MUSIC EQ 6
P FILE qa
PHONES jack qk
PLAY MODE 7
PTY/DIRECTION 7
REC PAUSE/START wd
REPEAT 7
SPECTRUM 7
STEREO/MONO 7
TAPE A/B qf
TUNER MEMORY 7
TUNER/BAND qd
VIDEO jack ef
VOLUME control qh
BUTTON DESCRIPTIONS
v/V/b/B 5
Z (deck A) wk
Z (deck B) ql
M (fast forward) ws
. (go back) wg
Z OPEN/CLOSE qj
?/1 (power) 1
x (stop) wg
nN (play) wg
X (pause) wg
> (go forward) wg
m (rewind) wh
*1 PTY/DIRECTION for
European model
*2 HCD-DX30 only
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
6
HCD-DX20/RG30
Remote Control
5
6
7
8
9
0
qa
qs
1 2 3 4
qd
qf
qg
qh
ql
qk
qj
CD qj
CLEAR 6
CLOCK/TIMER SELECT 2
CLOCK/TIMER SET 3
D.SKIP ql
EFFECT ON/OFF qa
ENTER qf
GAME qk
MD (VIDEO) 9
P FILE qd
PRESET EQ qg
SLEEP 1
SURROUND 0
TAPE A/B 8
TUNER/BAND qh
VOL +/– 7
BUTTON DESCRIPTIONS
v/V/b/B qs
M (fast forward)/TUNING
+ 5
. (go back)/PRESET
– 5
?/1 (power) 4
x (stop) 5
nN (play) 5
X (pause) 5
> (go forward)/PRESET
+ 5
m (rewind)/TUNING – 5
4 Press ENTER.
5 Press v or V repeatedly to set the hour.
6 Press B.
The minute indication flashes.
7 Press v or V repeatedly to set the
minute.
8 Press ENTER.
Tip
If you made a mistake or want to change the time,
start over from step 1.
Note
The clock settings are canceled when you disconnect
the power cord or if a power failure occurs.
Setting the time
1 Turn on the system.
2 Press CLOCK/TIMER SET on the
remote.
Proceed to step 5 when “CLOCK” appears
in the display.
3 Press v or V repeatedly to select “SET
CLOCK”.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
7
HCD-DX20/RG30
SECTION 3
DISASSEMBLY
3-1. CASE (SIDE-R, SIDE-L, TOP)
Note : Disassemble the unit in the order as shown below.
Note : Follow the disassembly procedure in the numerical order given.
Driver board, Moter board, Address sensor board
Chassis section
Case (Side-R, Side-L, Top)
CD door
Front panel section
CD mechanism deck
(CDM58B)
Key board
Panel board
Tape mechanism deck
Sub trans board, Video out board, Back panel, Power transformer
(Trans board)
Main board, Power amp board
Base unit, BD board
Set
Case (Side-R)
Case (Side-L)
5
qd
qs
qs
q;
Case (Top)
6 Two screws (Case 3 TP2)
8 Screw
(+BVTP 3 × 10)
3 Screw
(+BVTP 3 × 10)
9 Screw
(+BVTT 3 × 8)
4 Screw
(+BVTT 3 × 8)
1 Two screws
(Case 3 TP2)
qa Four screws (+BVTP 3 × 10)
7 Screw (Case 3 TP2)
2 Screw (Case 3 TP2)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
8
HCD-DX20/RG30
3-2. CD DDOR
3-3. FRONT PANEL SECTION
2 Pull-out the disc tray.
1 Turn the pulley to the direction of arrow.
pulley
CD door
Front panel side
CD mechanism deck (CDM58B)
3
qd
qs
5
CD mechanism deck (CDM58B)
Front panel section
q; Connector (B Deck)
9 Connector (A Deck)
7 Connector
(CN714)
6 Wire (flat type)(CN2)
1 Wire (flat type)
(CN102)
2 Connector
(CN701)
qa Three screws (+BVTP 3 × 6)
8 Screw
(+BVTP 3 × 10)
3Screw
(+BVTP 3 × 10)
4 Screw (+BVTP 3 × 10)
Chassis section
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
9
HCD-DX20/RG30
3-4. TAPE MECHANISM DECK
3-5. PANEL BOARD
1 Six screws
(+BVTP 2.6 × 8)
2 Tape mechanism deck
1 Volume knob
2 Vol knob ring
4 Connector
(CN712)
Note: When attching the panel board,
refer to "Service Note" on page 4.
6 Panel board
3
5 Cut the seven melted-connection points with a cutting plier.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
10
HCD-DX20/RG30
3-6. KEY BOARD
3-7. SUB TRANS BOARD, VIDEO OUT BOARD, BACK PANEL, POWER TRANSFORMER (TRANS BOARD)
Note: When attching the Key board,
refer to "Service Note" on page 4.
2 Key board
1 Cut the six melted-connection points with a cutting plier.
qf Two screws
(+BVTT 4 × 6)
qa Five screws
(+BVTP 3 × 10)
q; Two screws
(+BVTT 3 × 6)
qs
1 Two screws
(+BVTP 3 × 10)
8 Screw (+BVTP 3 × 10)
Back panel
qg Two screws
(+BVTT 4 × 6)
qh Power transformer
(T911)
qd Connector (CN915)
3 Connector (CN2)
5 Connector
(CN903)
4 Connector
(CN901)
2 Cover (Duct)
9 Video out board
7 Sub trans
board
Trans board
6 Two screws
(+BVTP 3 × 10)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
11
HCD-DX20/RG30
3-8. MAIN BOARD, POWER AMP BOARD
3-9. BASE UNIT, BD BOARD
4 Three screws (+BVTT 3 × 6)
6 Two screws (+BVTT 3 × 6)
7 Heat sink
3 Two screws (+BVTP 3 × 16)
1 Two screws (+BVTT 3 × 6)
2 Main board
5 Power amp board
Main board
Base unit
qa
9 Two screws (+PTPWH M2.6)
1 Screw (+PTPWH M2.6)
q; Screw (DIA. 12)
7 Two screws (+BVTP 2.6 × 8)
6 BD board
qs Two insulators
2 Holder (BU) assy
qs Two insulators
8 Two stoppers (BU)
3 Wire (flat type) 19p (CN101)
4 Wire (flat type) 16p (CN102)
5 Screw (+BVTP 2.6 × 8)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
12
HCD-DX20/RG30
3-10. DRIVER BOARD, MOTOR BOARD AND ADDRESS SENSOR BOARD
9 Pull-out the disc tray.
4 Two screws (+BVTP 2.6 × 8)
q; Screw (+PTPWH 2.6 × 8)
qa Tray
1 Screw (+BVTP 2.6 × 8)
qs Screw (+BVTP 2.6 × 8)
6 Wire (flat type) 8p (CN721)
3 Wire (flat type)
8p (CN702)
8 Motor board
qd Address sensor board
2 Driver board
5 Remove the two solderings of motor.
7 Connector 4p (CN722)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
13
HCD-DX20/RG30
SECTION 4
TEST MODE
[MC Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1.
Press three buttons x , ENTER , and ?/1 simultaneously.
2.
The fluorescent indicator tube displays “COLD RESET” and
the set is reset.
[CD Ship Mode]
• This mode moves the pickup to the position durable to vibra-
tion. Use this mode when returning the set to the customer after
repair.
Procedure:
1.
Press 1/u button to turn the set ON.
2.
Press CD button and 1/u button simultaneously until
“STANDBY” appears.
3.
When you releaset he buttons, a message “LOCK” is displayed
on the fluorescent indicator tube, and the CD ship mode is set.
[MC Hot Reset]
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power
cord is plugged in and out.
Procedure:
1.
Press three buttons x , ENTER , and DISPLAY simultaneously.
2.
The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[CD Service Mode]
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.
Procedure:
1.
Press ?/1 button to turn the set ON.
2.
Select the function “CD”.
3.
Press three buttons x , ENTER , and OPEN/CLOSE simul-
taneously.
4.
The CD service mode is selected.
5.
With the CD in stop status, continue to press > to move the
pickup to outside track, continue to press . to inside track.
6.
To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.
2) Press three buttons in the same manner as step 2.
Note: • Always move the pickup to most inside track when exiting from
this mode. Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear can be
chipped.
[Change-over of AM Tuner Step between 9 kHz and
10 kHz]
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1.
Press ?/1 button to turn the set ON.
2.
Select the function “TUNER”, and press TUNER/BAND
button to select the BAND “AM”.
3.
Press ?/1 button to turn the set OFF.
4.
Press ENTER and ?/1 buttons simultaneously, and the display
of fluorescent indicator tube changes to “AM 9 k STEP” or
“AM 10 k STEP”, and thus the channel step is changed over.
[GC Test Mode]
• This mode is used to check the software version, FL tube, LED,
keyboard, headphone and volume.
Procedure:
1.
Press three buttons x , ENTER and DISC 2 simultaneously.
2.
LEDs and fluorescent indicator tube are all turned on.
3.
When ENTER and DISC2 are pressed at the same time, the
key number check mode starts up. In this mode, the key numbers
of each key series are displayed.
4.
In the key check mode, the fluorescent indicator tube displays
“KEY 000”. Each time a button is pressed.
5.
When ENTER and DISC2 are pressed at the same time, the
key count check mode starts up. In this mode, the message “KEY
CNT @@” is displayed on the FL display tube. When each
button is pressed, the key row number is incremented first. Then
the key value is then incremented. However, one the button is
pressed, the key value cannot be counted.
6.
When ENTER and DISC2 are pressed at the same time, the
headphones check mode starts up. In this mode, the message
“H_P ON” is displayed when the headphones are inserted. When
the headphones are not inserted. the message “H_P OFF” is
displayed.
7.
When ENTER and DISC2 are pressed at the same time, the
volume check mode starts up. In this mode, the message
“VOLUME FLAT” is displayed on the FL display tube. When
the volume control knob is rotated in the positive (+) direction,
the message “VOLUME UP” is displayed. When the volume
control knob is rotated in the negative (-) direction, the message
“VOLUME DOWN” is displayed.
8.
In order to quit the mode, either press ENTER and DISC2 at
the same time or press the three buttons at the same time as in
step 1.
9.
To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
14
HCD-DX20/RG30
[MC Test Mode]
• This mode is used to check operations of the respective sections
of Amplifier, TUNER, CD and Tape.
Procedure:
1.
Press the ?/1 button to turn on the set.
2.
Press the three buttons of x , ENTER and DISC 3
simultaneously.
3.
A message “TEST MODE” appears on the FL display tube.
• The messages VACS1 to VACS5 are displayed when the VACS
is changed in this mode.
• The number of repeats of TAPE and CD is set to the infinite
number as the default setting.
4
When v (CURSOR UP) button is pressed, GEQ increases to
its maximum and a message “GEQ MAX” appears.
5.
When V (CURSOR DOWN) button is pressed, GEQ decreases
to its minimum and a message “GEQ MIN” appears.
6.
When b (CURSOR LEFT) or B (CURSOR RIGHT) button
is pressed, GEQ is set to flat and a message “GEQ FLAT”
appears.
7.
In the test mode, the default-preset channel is called even when
the TUNER is selected and an attempt is made to call the preset
channel that has been stored in memory, by operating the Shuttle
knob. (It means that the memory is cleared.)
8.
When a tape is inserted in the Deck B and the TAPE B function
is selected, and when the REC PAUSE/START button is
pressed twice, recording starts.
The VIDEO function is selected automatically as the input
source.
9.
Select the desired loop by pressing the PLAY MODE button
in the TAPE B function. Insert a test tape AMS-110A or AMS-
RO to Deck A.
10. Press the SPECTRUM button to enter the AMS test mode.
11. After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the AMS signal twice.
12. Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.
13. When the check is complete, a message of either OK or NG
appears.
14. When the two buttons of SPECTRUM and DISC1 are pressed
at the same time in any function modes, either the “VACS ON”
display to enable the VACS function or the “VACS OFF” display
to disable the VACS function can be selected.
15. When you want to exit this mode, press the ?/1 button twice.
The cold reset is enforced at the same time.
[Microprocessor version display]
• If the following operation is performed during the POWER OFF
in the modes other than the POWER SAVE mode (i.e., while the
Demo display shows the watch time),
1. When three buttons of STOP , ENTER , V (CUSOR DOWN)
are pressed at the same time, the MC and the GC microprocessor
version numbers are displayed as “M1.00 G1.00”.
2. When three buttons of STOP , ENTER , v (CUSOR UP) are
pressed at the same time, the model name and destination are
displayed as “BG1 AS1A3”.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
15
HCD-DX20/RG30
[Aging Mode]
This mode can be used for operation check of CD section and tape deck section.
• If an error occurred:
The aging operation stops and display status.
• If no error occurs:
The aging operation continues repeatedly.
1.
Operating method of Aging Mode
Turn on the main power and select “CD” of the function.
1) Set a disc in DISC1 tray. Select ALL DISC CONTINUE, and REPEAT OFF.
2) Load the tapes recording use into the decks A and B respectively.
3) Press three buttons x , ENTER , and
DISC SKIP EX-CHANGE simultaneously.
4) Aging operations of CD and tape are started at the same time.
5) To exit the aging mode, perform [MC Cold Reset].
3.
Aging Mode in CD section
1) Display state
• No error occurs
Note:
[*][*][*][*] : Number of aging operations
Error display
E ** s ## $$ %%
1 2 3 4 5
• When the buttons x , ENTER and DISC 1 are pressed simultaneously, number of time of the mechanism error and the NO DISC error
can be checked.
Display:
EMC**EDC**
**:
Number of times of error (Maximum three times)
EMC: Mechanism error
EDC: NO DISC error
• When aging operation is complete, be sure to perform the MC Cold Reset to reset the error history.
D: No disc error
01: FOCUS ERROR
02: GFS ERROR
03: SETUP ERROR
01: NO DISC judgment without chucking retry
02: NO DISC judgment after chucking retry
Status at the time of NO DISC judgment
(High order digits only)
1:
STOP
2:
SETUP
3:
TOC READ
4:
ACCESS
5:
PLAY BACK
6:
PAUSE
7:
MANUAL SEARCH (PLAY)
8:
MANUAL SEARCH (PAUSE)
AGING[*][*][*][*]
1 **
2 s
3 ##
4 $$
5 %%
M: Mechanism error
Don’t care
High order digits only
D: Stopped during closing due to problems other than mechanism.
E:
Stopped during opening due to problems other than mechanism.
C: Stopped during chucking due to problems other than mechanism.
F:
Stopped during EX-opening due to problems other than mechanism.
Emergency related errors (High order digits only)
1:
Stopped during chuck-up
2:
Stopped during chuck-down
3:
Time out by EX-OPEN
5:
Time out by EX-CLOSE
The error No. 00 indicates the newest error. As the error No. increases, it means the older error.
When you want to retrieve the error history, press the PLAY MODE button in the case of mechanism error.
Or press the REPEAT button in the case of NO DISC error.
Display
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
16
HCD-DX20/RG30
2) Operation during aging mode
In the aging mode, the program is executed in the following
sequence.
(1)
The disc tray opens and closes.
(2)
The mechanism accesses DISC 2 and makes an attempt to
read TOC. However, since there are no discs, a message
“CD2 NO DISC” appears.
(3)
The mechanism accesses DISC 3 and a message “CD3 NO
DISC” appears.
(4)
The disc tray turns to select a disc1.
(5)
A disc is chucked.
(6)
TOC of disc is read.
(7)
The pickup accesses to the track 1, and playing 2 seconds.
(8)
The pickup accesses to the last track, and playing 2 seconds.
(9)
Every time when an aging operation of step 1 to step 8 is
complete, the display “AGING[*][*][*][*]” value increases
as the number of aging operations is counted up.
(10) Returns to step 1.
3.
Aging Mode in Tape Deck section
1) Display state
• No error occurs
Display action now
• Error occurred
Display action last time
2) Operation during aging mode
In the aging mode, the program is executed in the following
sequence.
(1) Rewind is executed up to the top of tape A and B.
(2) A tape on FWD side is played for 2 minutes.
(3) FF is executed up to either made for 20 second or the end of
tape.
(4) B tape is reversed, and the tape on REV side is played for 2
minutes.
(5) Rewind is executed up to the top of tape.
(6) Returns to step 2, and repeat steps from 2 to 5.
[Function Change Mode]
* elect either VIDEO or MD of the external FUNCTION input.
Procedure:
1.
Turn on the power.
2.
Press the two buttons MD (VIDEO) and ?/1 at the same
time.
The main power is turned on and the other function of the
previous function is selected and displayed. “MD” or
“VIDEO”.
NO. Display action
Action contents
Final timing
1
TAPE A AG-6
Rewind the TAPE A
The top of tape
TAPE B AG-1
Rewind the TAPE B
2
TAPE A AG-2
FWD play the TAPE A
2 minutes playing
3
TAPE A AG-3
F.F. the TAPE A
20 second FF or the end
of tape
4
TAPE A AG-4
REV play the TAPE A
2 minutes playing
5
TAPE A AG-5
Rewind the TAPE A
The top of tape
6
TAPE B AG-2
FWD play the TAPE B
2 minutes playing
7
TAPE B AG-3
F.F. the TAPE B
20 second FF or the end
of tape
8
TAPE B AG-4
REV play the TAPE B
2 minutes playing
9
TAPE B AG-5
Rewind the TAPE B
The top of tape
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
17
HCD-DX20/RG30
SECTION 5
ELECTRICAL ADJUSTMENTS
FM Tuned Level Adjustment
Procedure:
1.
Supply a 98 MHz signal at 28 dB from the ANTENNA terminal.
2.
Tune the set to 98 MHz.
3.
Adjust RV101 to the point (moment) when the TUNED
indicator will change from going off to going on.
Adjustment Location: MAIN board
Null Adjustment
Procedure:
1.
Supply a 98 MHz signal at 60 dB from the ANTENNA terminal.
2.
Tune the set to 98 MHz.
3.
Measure voltage between pin 21 and pin 23 of IC 101. Adjust
T101 ubtil the voltage becomes 0 V.
Adjustment Location: MAIN board
Adjustment Location
[MAIN BOARD] Component side
FM RF Signalgenerator
75 Ω coaxial
Carrier frequency : 98 MHz
Modulation : AUDIO 1 kHz, 75 kHz
deviation (100%)
Output level : 28 dB (at 75 Ω open)
FM ANTENNA terminal
(TM101)
set
FM RF Signalgenerator
75 Ω coaxial
Carrier frequency : 98 MHz
Modulation : AUDIO 1 kHz, 75 kHz
deviation (100%)
Output level : 60 dB (at 75 Ω open)
FM ANTENNA terminal
(TM101)
set
CD SECTION
Note :
1.
CD Block is basically designed to operate without adjustment.
Therefore, check each item in order given.
2.
Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.
3.
Use an oscilloscope with more than 10MΩ impedance.
4.
Clean the object lens by an applicator with neutral detergent
when the signal level is low than specified value with the
following checks.
S-Curve Check
Procedure :
1.
Connect oscilloscope to TP (FEO).
2.
Connect between TP (FEI) and TP (VC) by lead wire.
3.
Connect between TP (AGCCON) and TP (D GND) by lead wire.
4.
Turn Power switch on.
5.
Load a disc (YEDS-18) and actuate the focus search. (In
consequence of open and close the disc tray, actuate the focus
search)
6.
Confirm that the oscilloscope waveform (S-curve) is
symmetrical between A and B. And confirm peak to peak level
within 4 ±1 Vp-p.
7.
After check, remove the lead wire connected in step 2 and 3.
Note :
• Try to measure several times to make sure than the ratio
of A : B or B : A is more than 10 : 7.
• Take sweep time as long as possible and light up the
brightness to obtain best waveform.
RF Level Check
Procedure :
1.
Connect oscilloscope to TP (RF).
2.
Connect between TP (AGCCON) and TP (D GND) by lead wire.
3.
Turned Power switch on.
4.
Load a disc (YEDS-18) and playback.
5.
Confirm that oscilloscope waveform is clear and check RF signal
level is correct or not.
6.
After check, remove the lead wire connected in step 2.
BD board
Oscilloscope
TP(FEO)
TP(VC)
symmetry
S-curve waveform
within 4 ±1Vp-p
A
B
TP(RF)
TP(VC)
BD board
oscilloscope
T101
RV661
RV101
IFT101
T102
RV661:TAPE SPEED
T101:NULL
RV101:FM TUNED LEVEL
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
18
HCD-DX20/RG30
Note :
Clear RF signal waveform means that the shape “ ◊ ” can be clearly
distinguished at the center of the waveform.
E-F Balance (1 Track jump) Check
Procedure :
1.
Connect oscilloscope to TP (TEO) and TP (VC).
2.
Turned Power switch on.
3.
Load a disc (YEDS-18) and playback the number five track.
4.
Press the gG button. (Becomes the 1 track jump mode.)
5.
Confirm that the level B and A (DC voltage) on the oscilloscope
waveform.
6.
After check, remove the lead wire connected in step 1.
RF PLL Free-run Frequency Check
Procedure :
1.
Connect frequency counter to test point (XPCK) with lead wire.
2.
Turned Power switch on.
3.
Put the disc (YEDS-18) in to play the number five track.
Confirm that reading on frequency counter is 4.3218MHz.
RF signal waveform
VOLT/DIV : 200mV
TIME/DIV : 500ns
level : 1.45 ± 0.3Vp-p
TP(TEO)
TP(VC)
BD board
oscilloscope
level=1.3±0.6Vp-p
symmetry
A (DC voltage)
center of
waveform
B
0V
1 track jump waveform
Specified level: –– × 100=less than ±22%
B
A
BD board
TP (XPCK)
frequency counter
TP
(XPCK)
TP
(TEO)
TP
(FEO)
TP
(FEI)
TP
(RF)
TP
(VC)
TP
(DGND)
TP
(AGCCON)
1
12
24
1
20
21
40
60
80
41
61
IC101
IC103
Adjustment Location:
[BD BOARD] (Conductor Side)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
19
19
HCD-DX20/RG30
SECTION 6
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.
•
¢
: internal component.
• C : panel designation.
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
• Indication of transistor.
Note:
The components identified by mark ! or
dotted line with mark ! are critical for
safety.
Replace only with part number specified.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : FM
(
) : CD
[
] : TAPE
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
• Abbreviation
SP
: Singapore model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
TH
: Thai model
EA
: Saudi Arabia model
E51
: Chiri and Peru model
E2
: Central and Aouth model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
• Abbreviation
SP
: Singapore model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
TH
: Thai model
EA
: Saudi Arabia model
E51
: Chiri and Peru model
E2
: Central and Aouth model
6-1. CIRCUIT BOARD LOCATION
• WAVEFORMS
1 IC102 wf STOP MODE
4.1Vp-p
2 IC401 qd STOP MODE
3 IC401 qa STOP MODE
4.0Vp-p
3.0Vp-p
222ns
(4.5MHz)
63ns
(16.0MHz)
31µs
(32.768kHz)
1 IC701 4 STOP MODE
5.3Vp-p
200ns
(5MHz)
– MAIN BOARD –
– PANEL BOARD –
1 IC101 yj
CD PLAY MODE
6.4Vp-p
59ns
(16.9344MHz)
1.2Vp-p
2 IC101 ta
CD PLAY MODE
3 IC101 ra
CD PLAY MODE
4 IC101 el
CD PLAY MODE
400nsec/div
approx 200mVp-p
approx 170mVp-p
– BD BOARD –
TRANS board
MOTOR board
ADDRESS SENSOR board
DRIVER board
BD board
VIDEO OUT board
SUB TRANS board
MAIN board
POWER AMP board
PANEL board
KEY board
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
20
20
HCD-DX20/RG30
6-2. BLOCK DIAGRAMS
TUNER SECTION
: FM
: AM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75Ω
AM
TM101
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE101
DX20
RG30
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE101
JR109
+B
A+12V
Q102
10
FM OSC
15
VT1 IN
18
VT1
17
PD1
19
PLL
IC102
12
IF
FM/AM
7
FM
14
AM OSC
2
VCO STOP
8
IF REQ
6
DO
4
DI
5
CL
3
CE
XIN
1
XOUT
24
X101
4.5MHz
RF IF
AMP
Q101
CF101
CF102
T101
T102
DO
D108
DI
CL
CE
1
13
3
4
5
12
2
14
15
11
6
7
9
RB101
19
AM MIX OUT
IF OUT
9
AM/IF
12
AM OSC
24
VCO STOP
13
IF MUTE
8
AM RF
20
OSC
22
V REG
23
FM IF
1
FM DET
5
AM/FM
FRONT-END, IFAMP, MPX
IC101
11
L OUT
10
R OUT
AMP
Q103
18
AM IF IN
IFT101
IFT101
16
FM/AM DET
15
MPX
14
MPX
14
MPX
R-CH
A
MAIN
SECTION
MUX
4
XO
14
XI
13
2
DATA
16
INT
RDS DETECTOR
IC103
6
TU LED
7
ST LED
3
FM SD ADJ
FM SD ADJ
RV611
X102
4.332MHz
RDS DATA
21
RDS INT
20
ST MUTE
22
ST CE
25
ST CLK
28
ST DOUT
26
ST DIN
27
STEREO (IN)
23
TUNED
24
MASTER CONTROL
IC401(1/2)
DO
CL
CE
DI
DI
FM 75Ω
AM
TM101
OPTICAL PICK-UP
BLOCK
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
AM
TRACKING
IC103
VC
12
A
5
B
6
C
7
D
8
E
11
F
10
LD
3
PD
4
IC102
MOTOR DRIVER
CH1
OUT R
13
CH1
OUT F
14
CH2
OUT R
11
CH2
OUT F
12
CH3
OUT R
18
CH3
OUT F
17
M
M102
SLED
MOTOR
CH4
OUT R
16
CH4
OUT F
15
M
M101
SPINDLE
MOTOR
F+
F-
T+
T-
3
CH1
R IN
2
CH1
F IN
6
CH2
R IN
5
CH2
F IN
23
CH3
R IN
24
CH3
F IN
25
CH4
S IN
20
MUTE
MDP
26
SFDR
28
SRDR
29
TRDR
31
TFDR
30
FRDR
33
FFDR
32
DIGITAL SIGNAL PROCESSOR
D/A CONVERTER
IC101
DIGITAL SERVO
60
D OUT
RFAC
51
17
RFI
16
RFO
14
FE
13
TE
22
LD ON
21
HOLD SW
RFDC
43
FE
39
TE
41
SE
40
XLON
14
72
L OUT 1
DIGITAL
OUT
OPTICAL
CD
DIGITAL OUT
OPTICAL
PH671
75
L OUT 2
5
DATA
B
MAIN
SECTION
L-CH
L OUT
L-CH
7
CLOK
6
XLAT
2
SQCK
9
SCLK
20
SCOR
1
SQSO
27
SSTP
66
XTAI
67
XTAO
3
XRST
S101
LIMIT
IN SW
X101
16.9344MHz
CD DAT OUT
35
CD CLK
37
XLT
42
SQ CLK
33
SCOR
19
SQ DAT
32
XRST
43
HOLD
40
TBL ADDRESS
SENSOR
49
T SENS
IC711
48
BU UP/DOWN SW
46
OPEN SW
47
CLOSE SW
44
LOAD IN
OPEN/CLOSE
S701
UP/DOWN
S711
45
LOAD OUT
MOTOR
DRIVE
9
7
4
2
M
IC701
M+7V
TURN
MOTOR
M721
8
SENS
SENS
34
AMP
Q105
AM
FREQUENCY
COVERRAGE
FM IF
FM DET
AM IF
RG30
DX20
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
21
21
HCD-DX20/RG30
MAIN SECTION
R-CH
RESET
: FM
: CD
• Signal Path
• RCH is omitted
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
TUNER
SECTION
CD
SECTION
MD/VIDEO
(AUDIO IN)
VIDEO
OUT
GAME
IN
J702
MIC
RV703
MIC
LEVEL
L
R
L
R
24
OUT L
MUTE
Q301
MUTE
CONT
Q361,362
POWER
AMP
IC501
1
12
6
7
MUTE
DRIVE
Q581
MUTE
BUFFER
Q503,504
OVER LOAD
DETECTOR
Q501
D502
DC
DETECT
Q381,382
PROTECT
CONT
Q383
RERAY
DEIVE
Q384,385
PROTECT
SWITCH
Q386,387
MUTE
CONT
Q365
MUTE
Q363
PHONES
R CH
R CH
L
R
JK302
SPEAKER
IMPEDANCE
USE 6-16Ω
67 B REC REV
89 A SHUT
71 B PLAY
70 A PLAY
69 B HALF
68 A HALF
A TRIG
DRIVE
CAPSTAN MOTOR
CAPM+
RV661
MOTOR
SPEED
B-SOL
A-SOL
REC(REV)
A-PHOTO
A-MODE
B-MODE
A-HALF
B-HALF
DRIVE
Q605,606
Q601,602
B TRIG
DRIVE
Q603,604
A TRIG
60
B TRIG
61
CAP M CONT
65
POWERKEY
74
POWER
97
LED
34
LED
33
LED
32
LED
31
LED
30
LED
29
LED
28
LED
27
KEY 0
22
KEY 1
21
KEY 2
20
DVD 5.1
26
DISPLAY KEY
73
LED
DRIVER
FLUORECENT
INDICATOR TUBE
FLD1
Q701
EVER 5.7V
F1
F2
VP (-30V)
IC401(2/2)
MASTER CONTROL
IC701
DISPLAY CONTROL
83
LINE MUT
84
STK MUT
88
FRONT-RELAY
85
PROTECT
10
XC IN
11
XC OUT
15
X IN
13
X OUT
32.768kHz
X601
16MHz
X602
3
X1
4
X2
5MHz
RES701
T911
JW911
S901
F919
JW913
DX20: AR,E2,
E51,EA,SP
F914
DX20: AR,E2,
E51,EA,SP
DX20: AR,E2,E51,EA,SP
-V
REG
+5V
REG
Q911,D911-913
D541
VP (-30V)
+B
-B
POWER
AMP
D681-684
EVER +5.7V
F1
AC1
AC1
AC3
AC3
AC4
AC4
F2
D902-905
AC
IN
RELAY
DRIVE
Q901
IC901
T901
3
1
+5.7V
REG
1
3
RY901
+12V
REG
3
1
+9V
REG
3
1
CD POWER
SWITCH
+5V
REG
3
1
IC681
Q681,682
IC682
IC683
IC684
D+5V(SW)
A+5V(SW)
RDS +5V
BD +5V
EVER +5V
EVER +5.7V
D +5V
+5V(SW)
MIC +12V
+9V
M+7V
+7V
D687-690
D686
D667
D661
D669
D670
STBY RELAY
86
38
CD POWER
RESET 12
3
1
Q661
IC661
D383
D691-693
D664
D543
D542
JW912
JW6
JW5
JW3
JW1
66 B REC KEY
REC(FWD)
90 B SHUT
B-PHOTO
A
B
R-CH
L-CH
LOUT
L-CH
J301
J705
R-CH
R-CH
L-CH
R-CH
ERASE
L-CH
L-CH
JK704
INPUT SELECT
TONE/VOL CONT
IC301
TUNER L
43
CD L
42
MD L
47
32
24
OUT R
R CH
31
MIC
56
TC RELAY
BUFFER
Q213
MIC AMP
IC702
(1/2)
AMP
IC702
(2/2)
R-CH
19
6
9
2
1
11
5
AMC
DETECT
REMOTE
CONTROL
RECEIVER
SEN701
Q210,211
D203,204
A/B
Q217
Q227
Q222,225
D206
MIC +12V
Q220,221
BIAS OSC
Q223,L201
Q224,228
5
6
81
80
82
91
79
72
76
77
75
A
B
PB
REC
IC201
Q214
39
38
37
36
35
34
TAPE/ L
45
INLE GAME
49
DPLL1
57
D302
BPOUT
C
B
A
SCK
SI
–A DECK–
HP101
PLAYBACK
HEAD
–B DECK–
HRPE101
RECOD/
PLAYBACK/
ERASE
HEAD
CASETTE
DECK
UNIT
BIAS
PB A/B
AMS
REC-MUTE
3878-DAT
3878-LAT
3878-CLK
SP-LATA
SP-LATB
SP-LATC
SP-VACS
7
REC/ PB AMP
VIDEO
AUDIO
MOTOR H
MOTOR L
S701
`/1
D701
`/1
S726
DISPLAY
37-58 61-68
69-80
LED DRIVER
Q702-710
KEY MATRIX
S713-725
S727-738
S702,704,711
S712 DX20
VOL
13
VOL
14
VDD
25
REMOTE IN
4
RESET
M-RESET
6
41
SBSY
S-BSY
10
3
S
S-LCK
7
2
S
S-OUT
9
1
S
S-IN
8
100
HEADPHONES
17
Q701-712,716-720
ROTARY
ENCODER
VR701
VOLUME
+5V (SW)
D713
EVER +5V
D685
RG30/DX20:KR,TH
DX20:MX
DX20: AR,E2,
E51,EA,SP
EXCEPT DX20:MX
DX20: MX
DX20: KR,TH/RG30
DX20: AR,E51, EA, SP, MX
DX20: MX
JW2
JW4
S901
VOLTAGE SELECTOR
230-240V
r
220V
r
120V
RY371
JACK701
F920
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
22
22
HCD-DX20/RG30
6-3. PRINTED WIRING BOARD – BD SECTION –
• See page 19 for Circuit Boards Location.
IC101
IC102
IC103
(Page 24)
E
CN102
TP
(VC)
TP
(RF)
TP(TE0)
TP(FE0)
TP(FE1)
TP(D GND)
TP(AGC CON)
TP
(XPCK)
18
19
2
1
M
23
23
Ref. No.
Location
IC101
B-2
IC102
C-3
IC103
B-2
Q101
A3
• Semiconductor
Location
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
23
23
HCD-DX20/RG30
6-4. SCHEMATIC DIAGRAM – BD SECTION –
• See page 19 for Waveforms. • See page 40,41 for IC Block
Diagrams.
IC B/D
IC B/D
IC B/D
CN102
(Page 29)
E
(5/5)
A
X
2
1
1
16
16
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
24
24
HCD-DX20/RG30
6-5. PRINTED WIRING BOARD – MAIN SECTION –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D101
D-11
D104
C-9
D107
D-9
D108
C-8
D203
E-5
D204
E-5
D205
F-5
D206
E-3
D207
G-5
D301
E-6
D302
C-5
D303
B-6
D361
F-8
D372
G-10
D383
E-9
D601
D-3
D602
D-3
D661
B-4
D662
B-4
D663
B-5
D664
B-5
D665
B-5
D666
C-4
D667
B-4
D668
B-4
D669
B-4
D670
B-6
D681
G-9
D682
H-8
D683
G-9
D684
H-8
D685
G-6
D686
F-7
D687
G-9
D688
G-9
D689
G-9
D690
G-9
D691
F-6
D692
F-6
D693
F-6
D694
G-10
D695
G-10
IC101
C-10
IC102
A-9
IC103
D-9
IC201
F-4
IC301
D-7
IC401
C-3
IC661
B-5
IC681
C-7
IC682
G-6
IC683
G-7
IC684
G-6
Q101
C-9
Q102
A-10
Q103
C-9
Q104
D-9
Q105
D-9
Q210
E-5
Q211
E-5
Q212
G-4
Q213
E-3
Q214
F-5
Q215
G-5
Q216
F-3
Q217
F-3
Q218
G-3
Q219
G-3
Q220
G-3
Q221
G-3
Q222
F-5
Q223
H-4
Q224
H-4
Q225
F-5
Q226
E-4
Q227
G-5
Q228
H-5
Q229
E-4
Q230
G-4
Q301
H-6
Q302
H-6
Q361
D-3
Q362
D-4
Q363
F-9
Q364
F-9
Q365
F-9
Q381
F-10
Q382
F-10
Q383
F-10
Q384
E-10
Q385
E-9
Q386
E-9
Q387
E-9
Q601
D-3
Q602
D-3
Q603
D-3
Q604
D-3
Q605
D-3
Q606
D-3
Q661
B-5
Q681
C-7
Q682
D-8
JW031
JW032
JW035 JW034
GND1
JW029
JW030
CLP3
JW054
JW059
JW058
JW057
JW056
JW055
JW065
JW064
JW063
JW062
JW060 JW061
JW026
JW027
JW028
JW073
8
9
16
1
JW075
JW074
JW072
JW076
JW077
JW078
JW079
JW108
JW107
JW106
JW105
JW103
JW102
JW116
JW115
JW109
JW110
JW053
JW052
JW070
JW069
JW068
JW067
JW066
JW071
JW117
JW114
JW113
JW112
JW111
JW051
JW050
JW049
JW048
13
1
JW037
JW038
JW036
JW041
JW039
JW040
JW042
JW043
JW044
JW157
JW156
JW153
JW155
JW154
JW152
JW151
JW046
JW045
1
13
JW150
JW047
12
13
JW018
JW017
JW016
JW001
JW021
JW014
JW013
JW020
JW015
1
24
JW019
JW025
JW022
JW002
JW003
JW004
JW005
JW007
JW006
JW012
JW011
JW010
JW009
JW008
12
13
24
1
JW084
JW083
JW082
JW085
JW087
JW086
19
1
JW089
JW088
JW023
JW024
JW312
JW080
JW081
JW101
JW091
JW092
JW093
JW090
JW104
JW314
JW313
JW096
JW217
JW098
JW099
JW095
JW097
JW094
10
CLP2
JW232
JW231
JW230
JW228
JW229
JW100
1
JW239
JW238
JW237
JW236
JW235
JW243
JW242
JW241
JW240
JW250
JW251
JW223
JW222
JW221
JW220
JW219
JW256
JW227
RG30
RG30
JW226
JW254
JW224
JW225
JW252
JW253
JW260
JW259
JW258
JW257
JW316
JW315
JW269
JW289
JW290
JW298
JW299
JW297
JW291
JW292
JW293
JW281
JW282
JW283
JW285
JW284
JW286
JW287
JW288
JW294
JW319
JW244
JW246
JW248
JW249
JW247
JW303
JW304
JW305
JW306
JW307
JW302
JW245
JW301
JW308
JW309
JW310
JW311
30
JW300
29
JW161
JW162
JW158
JW163
JW164
JW159
JW160
JW173
JW165
JW171
JW174
JW172
JW167
JW166
JW175
JW169
JW170
JW176
JW178
JW147
JW148
JW317
JW318
JW122
JW125
JW128
JW133
JW134
JW118
JW123
JW124
JW139
JW130
JW137
JW138
JW131
JW132
JW135
JW136
JW145
JW146
JW119
JW120
JW121
JW126
JW129
JW203
JW214
JW215
JW212
JW213
JW127
JW202
JW218
JW216
JW210
JW209
JW208
JW207
JW206
JW205
JW204
JW261
2
JW265
JW266
JW262
JW263
JW264
JW198
JW200
1
JW144
JW143
JW140
JW189
JW190
JW142
JW141
JW193
JW191
JW192
JW195
JW199
JW197
JW196
JW188
JW187
JW185
JW186
JW183
JW182
JW272
JW273
17
16
JW268
JW267
JW270
JW271
JW277
JW278
JW279
JW280
JW201
JW275
1
2
JW274
CLP1
JW181
L371
RG30
DX20
DX20
D694
R377
R378
D695
RB101
Q382
C382
RY371
Q381
C302
C301
C381
JK101
JK101
Q383
D688
Q386
Q384
Q365
C362
R362
Q364
C361
Q363
R361
C363
C697
Q385
JW2
C186
C184
C181
C171
C383
Q387
IC103
X102
C308
C681
C311
C307
JW11
JW12
IC683
C685
C690
C691
JW8
D683
CN403
D681
D689
C683
C684
C693
CN402
L372
R379
D682
D684
C694
D687
D690
JW9
R380
C104
FE101:DX20
DX20
DX20
DX20
RG30
RG30
DX20
FE101:RG30
IC101
C676
Q102
T102:DX20
L671
C140
C133
C114
C113
C137
JW1
RV101
C106 C108
C135
C143
C144
C127
C136
IFT101
CF101
C125
CF102
Q101
T101
C116
C117
X101
IC102
C677
CN102
C675
C671
C658
Q682
C304
C312
C314
C303
C310
C309
C687
1 2 3
C686
Q681
E
E
E
E
E
E
E
E
E
E
E
E
E
E
IC681
C319
C327
C339
C325
C328
C326
C333
C337
C338
C313
C318
C320
C315
1 64
32 33
C356
C317
C300
CN1
X602
C665
C661
C321
JW28
JW29
C662
Q661
IC661
C602
C663
X601
C364
C610
Q361
C699
C222
C698
C348
C689
C688
C347
Q301
Q302
JW168
Q227
C225
Q223
C239
C215
C234
Q215
C230
Q212
C272
C214
C212
Q228
Q224
C240
Q230
IC684
Q225
C221
Q222
C257
IC682
C692
D691
D692
D693
C344
C334
C340
16
17
49
48
C342
C343
C349
C345
C346
JW31
C256
CN2
Q362
JW32
Q226
C218
C232
C233
C217
Q210
Q211
C236
C235
Q214
Q229
C270
C211
C213
C231
C229
C219
IC201
C209
CN203
Q219
Q218
Q213
C271
JW33
DX20
Q605
Q603
Q601
Q602
Q604
E
E
E
E
E
E
E
E
Q606
RV661
CN701
C241
C242
Q221
Q220
C210
L201
CN202
C223
.1
0
JR607
.1
E
E
Q105
L109
L107
L108
C666
C657
R601
R603
FB4
C204
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1 2 3
1 2 3
1 2 3
E
E
C205
R277
R247
DX20
DX20
DX20
R205
R271
R202
R273
R275
C202
C201
R201
R240
R239
Q217
Q216
R203
C203
C206
C208
R210
R224
R209
R229
C227
R223
R227
R221
C207
R207
C243
R215
C265
R218
R270
R262
R673
R670
R217
R204
D206
R656
R640
R641
C605
R325
D302
R309
FB5
C664
C601
R633
R677
R674
R676
R678
R606
D601
JR10
JR8
R679
R671
R628
R626
R627
R659
R657
R658
R660
R632
R680
R637
R636
R635
R369
R370
R675
R672
R639
R638
JR4
R605
D602
R602
R604
C611
R643
R634
R630
R629
R631
IC401
R308
R305
R306
R307
R315
R324
C350
R322
R320
R321
R318
R313
R314
R317
R316
IC301
D301
R231
R323
R342
R341
R237
R219
R246
R256
C235A1
R245
R249
D204
JR17
R263
R257
D203
R235
R233
D205
R220
R250
D686
R261
R258
R222
R238
R264
C236A
R231A
C237
C266
C224
R253
C226
JR7
R260
R226
C238
R225
R274
R272
R276
R228
R230
R278
R214
R236
C244
R234
R232
R232A
R208
C228
R252
R241
R242
R206
R251
R248
D685
R243
R254
R368
R333
R337
R335
R331
R332
R338
R336
R334
R216
R255
D207
R244
R327
D303
R340
JR11
DX20
JR16
D670
JR15
C673
R647
R648
JR14
D662
R646
R655
D661
D667
D668
R662
R661
D664
D669
D665
D663
C656
R664
R644
JR1
C607
C608
R663
D666
R665
C603
R607
C606
R625
C644
C614
R615
R624
R623
R621
R614
R610
R613
R612
C613
R609
C612
R622
R650
R649
R645
FB6
R611
R608
C604
R620
R616
R617R618
R619
R101
JR642
R112
R3
C112
R113
PH671
1
3
R114
R116
C115
JR602
R104
JR641
R123
C105
R7
R109
C103
R107
JR109
C118
C123
R120
C124
C121
C122
R136
JR603
C119
JR606
C120
R122
R135
R111
C101
R121
R119
JR633
FB2
FB3
C672
C679
C678
JR640
C659
FB1
C674
D108
R126
R118
R106
C374
C372
C373 C371
C375
C376
D372
JR638
D361
C322
R367
JR636
JR639
Q104
R130
R129
R128
R105
C102
R103
R138
R681
R329
R339
C660
R172
R174
C175
D107
R328
R326
R181
R177
R183
JR637
C172
R171
C183
C182
C180
C179
R175
C29
R115
R117
R139
D101
C111
RG30
RG30
C109
C110
C128
JR634
C107
R110
JR635
R108
R125
C130
C129
C126
D104
R132
R131
R137
C141
R127
C134
C131
C132
R4:RG30
C138
JR110
C139
C142
Q103
R102
R124
R134
R133
C187
C185
C173
R382
R381
R383
C351
C352
R304
R303
R301
R302
C360
R387
R393
R385
R366
R365
R363
R364
R384
R388
R394
R386
R389
D383
C176
E
3
1
E
31 30
80 81
50
51
1
100
1
12
13
24
1
4
5
8
8
5
4
1
3
1
7
1
MAIN BOARD
DX20 RG30
11
(14)
21
(21)
1-681-440-
D
POWER AMP
BOARD
(Page 30)
POWER AMP
BOARD
(Page 30)
F
A
PANEL
BOARD
(Page 32)
B
DRVER
BOARD
(Page 36)
E
BD
BOARD
(Page 22)
PH671
CD DIGITAL OUT
OPTICAL
R-CH
L-CH
ERASE
R-CH
L-CH
A DECK
PLAYBACK
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
B DECK
RECORD/PLAYBACK/ERASE
J302
SPEAKER
IMPEDANCE
USE 6-16Ω �
–
+
L
–
+
R
FM
75Ω
AM
FM
75Ω
AM
L
JK301
MD/VIDEO
(AUDIO)
R
2
3
4
5
6
7
8
9
10
11
12
A
1
B
C
D
E
F
G
H
I
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
25
25
HCD-DX20/RG30
6-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/5) –
• See page 42 for IC Block Diagrams.
IC201
Q210
Q211
Q217
Q219
Q220
Q221
Q224
Q218
Q222
Q223
Q216
Q214
Q215
R234
R232
R232A
R214
R216
C244
R272
R278
R276
R274
R237
R220
R208
R206
R201
R202
R239
R240
R210
C206
C203
C204
C201
C202
R228
R230
R222
R224
C224
JR17
R258
R256
R249
R257
R261
R250
R218
R238
R264
C235A
R262
R263
R236
R217 C265
C207
R209
C205
C208
R205
R223
C237
R229
R227
R207
R271
R273
R275
R277
R215
R247
C243
R226
R231
R231A
R233
JR7
R252
R241
R242
R245
R243
R244
R246
R251
R248
C266
R260
R253
R254
C240
C215
C221
C256
C235
C236
C270
R270
C230
C229
C217
C210
R203
R204
CN202
C209
C271
C213
C272
C218
C257
C236A
C233
C242
C241
C239
L201
C223
Q213
R225
R221
C211
C234
C214
C212
Q212
R235
Q228
Q225
Q227
D206
D203
D204
D207
D205
R219
C219
C222
C225
C231
C232
C226
C238
Q229
Q226
Q230
R255
R259
CN203
C228
C227
TA8189N
2SC2785
2SC2785
2SC3623A
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2001
2SC3623A
2SC3623A
2SC3623A
68k
2.2k
1k
4.7k
100k
0.0015
1M
100k
4.7k
1.5k
10k
22k
8.2k
47
10
10
10k
10k
270k
220p
680p
680p
680p
680p
120k
1.8k
220
180k
470p
0
220
10k
680k
390
390
180k
180k
680k
10k
47p
100k
10k
4.7k
10k
0.01
220p
270k
220p
220p
47
180k
470p
1.8k
120k
8.2k
1M
1.5k
4.7k
100k
4.7k
100k
0.0015
22k
2.2k
1k
68k
0
27k
4.7k
4.7k
10k
2.2k
27k
4.7k
2.2k
12k
0.022
390
10k
4.7k
47
16V
2.2
50V
4.7
50V
1
50V
1
50V
100
16V
100
16V
220
100
10V
100
10V
47
16V
47
16V
10
10
47
16V
1
50V
1
50V
1
50V
47
16V
0.1
50V
47p
0.047
MC
0.001
MC
0.0047
MC
0.015
MC
0.022
MC
2SC2785
22k
10k
0.018
MC
0.047
MC
1
50V
0.018
MC
2SC2785
4.7k
2SB1116A
2SB1116A
2SB1116A
BUFFER
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
2SC3623A-LK
MUTE
DTA124ES
SWITCH
2SC3623A-LK
MUTE
1k
1k
3P
47p
47p
8
9
10
11
12
7
6
5
4
3
2
1
13
*
*
50V
*
50V
*
50V
*
50V
*
50V
*
*
REC/PB PRE AMP
HEAD
PLAYBACK
L-CH
R-CH
ERASE
HEAD
RECORD/
PLAYBACK
HRP101
-B DECK-
-A DECK-
HP101
L-CH
R-CH
AMP
Q210,211
MUTE
MUTE
OSC
BIAS
BIAS OSC
1
2
3
4
5
6
7
8
9
SWITCH
Q220,221
AMP
SWITCH
Q218,219
BIAS OSC
Q224,228
B+ SWITCH
SWITCH
SWITCH
AMP
*R219
47k
10k
RG30
DX20
RG30
DX20
*C219
3.3
2.2
RG30
DX20
3.3
*C222
4.7
RG30
DX20
3.3
4.7
*C225
RG30
DX20
3.3
*C231
0.47
RG30
DX20
0.47
*C232
RG30
DX20
*C226
0.0022
0.0018
RG30
DX20
0.0022
0.0018
*C238
SWITCH
Q222,225
DX20
DX20
GND
REC
NF
GND
MIX
PRE
METAL
NF
CH1/A
CH1/B
OUT
OUT
OUT
M/H
REC
OUT
IN
PRE
METAL
OUT
OUT
NF
REC
NF
IN
REC
OUT
TAPE
A/B
CH2/B
CH2/A
CD
VCC
ALC
0.33
MAIN
BOARD(4/5)
(Page 28)
MAIN
BOARD(3/5)
MAIN
BOARD(2/5)
(Page 27)
(Page 26)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
26
26
HCD-DX20/RG30
6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/5) –
• See page 19 for Waveforms. • See page 41,42 for IC Block Diagrams.
JK101
R3
C103
R104
C104
R107
R101
R102
R108
R103
CF101
CF102
C102
R105
C149
R139
C110
R117
C111
C29
L108
1µH
R111
R112
R113
R114
R115
R116
C112
C114
C115
C116
C117
C118
R135
R136
C119
R118
R119
R120
R121
R122
R123
C120
X101
C123
C124
R124
C125
C126
RV101
C128
C129
C130
C134
C135
C136
C171
C172
C173
C175
C176
C127
R126
R127
R128
R129
C106
C107
C108
R110
C141
C143
C137
C138
R131
R132
R137
C140
R130
R4
Q105
R174
R175
R138
R183
C184
C186
C187
X102
C182
C183
R181
C179
C180
C181
R177
R7
T102
R109
D101
R171
C144
C101
C113
C121
C122
JK101
D107
R172
L109
JR637
JR636
JR639
Q103
Q104
R133
R134
C131
C132
C133
R125
T101
C142
C139
JR633
Q102
C105
Q101
R106
JR606
L107
L107
JR634
JR635
JR603
JR110
JR607
JR109
JR641
JR642
JR602
D104
D108
0
0.01
150
47
16V
0
47
680
330
680
0.01
1.5k
4p
0
0.01
100k
0.01
33p
100
4.7k
4.7k
4.7k
10k
100
0.01
47
16V
0.01
2.2
50V
47
16V
0.01
4.7k
3.3k
0.01
100
10k
10k
1k
10k
10k
0.01
4.5MHz
0.001
0.001
220
47
16V
0.01
22k
0.01
0.01
0.01
0.047
4.7
50V
4.7
50V
47
16V
0.1
560p
330p
0.01
1
50V
4.7k
2.2k
560
560
100
16V
0.01
10
50V
10k
0.047
22
16V
10
50V
560p
12k
2.2k
100
1
50V
10k
0
2SC2412K
1k
470
100
4.7k
2.2
50V
10
50V
0.01
4.332MHz
56p
56p
4.7k
0.01
0.01
2.2
50V
100
0
47
DA204K
100
47
16V
0.01
0.47
50V
22p
CH
33p
CH
1SS355TE
100k
0
0
0
0
2SC1623
2SC1623
0.22
50V
4.7k
0
UN4111
0.01
2SC2410SN
0
0
0
0
0
0
0
0
0
0
0
-TT
DTZ 11-6.8B
1SS355TE
54
16
13
14
X1 X2
10
20
21
22
23
24
25
26
27
28
*2
*2
*1
*1
*
*
*
FM
AM
XIN
VCO
CE
DI
CLK
DO
FM
MW
FM
IF
IF FEO
FM/AM
XOUT
GMND
VT2
PD1
PD2
VT1IN
VT1
B+
SW
VT2IN
FM OSC
AM OSC
REG
AFC
AGC
MPX
MPX
OSC/OUT
AM RF
AM MIX
AM IF
AM/FM OUT
VCO STOP
OSC
VCC
GND
AM/FM
L OUT
R OUT
IF OUT
IF MUT
ST LED
TU LED
FM DET
FM SD
FM IF
FM
75 Ω
75 Ω
AM
ST LED
TU LED
ST MUTE
RCLK
+B
GND
VT
GND
GND
ANT IN
OSC OUT
GA
FE101
+B
GND
VT
GND
GND
ANT IN
OSC OUT
FE101
IF OUT
IF OUT
RDS
DECODER
RB101
IFT101
IC103
BU1924
IC102
LC72130
IC101
BA1450
CED
PB641
PLL
FM/AM
FRONTEND,
IF AMP,MPX
AMP
RG30
QUAL
RDATA
VREF
MUX
VDD1
VSS1
VSS3
CMP
RCLK
NC
XO
XI
VDD2
VSS2
T1
T2
RG30
DX20
DX20
RG30
AMP
Q103,104
RG30
DX20
*2 R133,134
270
470
RG30
DX20
0.022
0.015
FM TUNED LEVEL
RG30
DX20
100P
470P
*C142
RG30
DX20
*C139
680P
220P
RG30
DX20
+B
SWITCH
RF IF AMP
RG30
DX20
*R106
680
330
RG30
33µH
DX20
RG30
RG30
DX20
DX20
*1 C131,132
MAIN
BOARD(3/5)
(Page 27)
MAIN
BOARD(4/5)
MAIN
BOARD(5/5)
(Page 28)
(Page 29)
MAIN
BOARD(1/5)
(Page 25)
4
6
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
27
27
HCD-DX20/RG30
6-8. SCHEMATIC DIAGRAM – MAIN SECTION (3/5) –
R301
R302
R303
R304
R307
R308
R309
R363
R364
R365
R366
R367
R368
R369
R393
R394
R324
R341
R342
R331
R332
R333
R334
R335
R336
R337
R338
Q301
Q302
R325
R326
R328
R329
R305
R306
R327
C301
C302
C303
C304
C312
C313
C315
C356
C300
C317
C318
C319
C307
C308
C309
C310
C311
C333
C334
C337
R313
R314
R315
R316
C338
C339
C340
C344
R317
R318
C342
C343
R320
C345
C346
C347
C348
R323
C349
C350
C321
Q363
Q364
C364
C363
C360
C322
R339
R340
C325
C326
C361
R361
R362
C362
C320
C327
C328
JK301
R322
R321
D302
D303
D361
C351
C352
D301
C314
Q365
Q362
Q361
R370
10k
10k
27k
27k
15k
15k
1M
1k
1k
47k
10k
1k
100k
22k
56
56
10k
220
220
4.7k
4.7k
2.2k
2.2k
100k
100k
10k
10k
2SC3623A
2SC3623A
15k
10k
3.3k
3.3k
2.2k
2.2k
2.2k
4.7
50V
4.7
50V
4.7
50V
4.7
50V
0.1
0.047
4.7
50V
4.7
50V
0.1
0.22
0.22
0.22
4.7
50V
4.7
50V
4.7
50V
4.7
50V
10
50V
0.0022
0.0022
0.047
100k
100k
33k
33k
0.047
0.047
0.047
10
50V
100k
270k
0.1
0.1
150k
220
16V
0.27
10
50V
10
50V
220
100
10V
0.22
0.033
2SC3623A
2SC3623A
2.2
50V
47
50V
0.1
0.1
6.8k
6.8k
0.022
0.022
4.7
100V
BP
680
2W
680
2W
4.7
100V
BP
0.22
0.022
0.022
10k
10k
1SS355TE
1SS355TE
1SS355TE
UDZSTE-179.1B
4.7
50V
DTA124ES
DTA124ES
DTC114ES
X1
X2
36 37 38
48
41
52
21
20
51
50
49
43
18
8
12
13
14
27
28
11
9
53
5
6
7
80
81
82
A
B
C
E
D
*
*
*
F1L1
F1L2
F1R1
F1R2
F2L1
F2L2
F2R1
F2R2
F3L1
F3L2
F3R1
F3R2
F4L1
F4L2
F4R1
F4R2
F5L
F5R
VCC
CAP
FILTER
HPFL1
HPFL2
HPFL3
HPFR1
HPFR2
HPFR3
ALCC
ALCR
BASS1
BASS2
BASS3
OUT R
OUT L
C
B
A
SCK
SI
SETPC
MD R
TAPE R
TUNER R
CD R
MD L
TAPE L
TUNER L
CD L
BP NF
BP OUT
INLE
GAME
GAME
INRE
PS1
PS2
DPLR2
DPLR1
DPLL2
DPLL1
REC R
REC L
VFC1
GND
VFC2
MIC
IC301
BH3878KS2
R
L
RG30
DX20
*C351,352
0.001
470P
(AUDIO)
MD/VIDEO
MUTE
MUTE
DX20
MUTE
CONTROL
MUTE
CONTROL
Q361,362
MUTE
Q363,364
RG30
DX20
*R370
4.7k
1.5k
INPUT SELECT,
TONE/VOLUME CONTROL
MAIN
BOARD(5/5)
(Page 29)
(1/5)
MAIN
BOARD(Page 25)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(4/5)
MAIN
BOARD(4/5)
(Page 28)
(Page 28)
MAIN
BOARD(5/5)
(Page 29)
MAIN BOARD(2/5)
MAIN BOARD(4/5)(Page 28)
(Page 26)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
28
28
HCD-DX20/RG30
6-9. SCHEMATIC DIAGRAM – MAIN SECTION (4/5) –
• See page 19 for Waveforms. • See page 37 for IC Pin Function Description.
R601
R602
JR10
R603
R604
R605
R606
JR8
D691
C692
R676
R677
R678
R679
R671
R672
R673
R674
R675
Q661
CN1
R607
R608
R610
R612
R613
R614
R615
R616
R618
R619
R620
R621
R622
R623 R624
JR15
JR1
C607
C608
R644
X601
X602
R645
R649
R650
JR11
JR16
R655
R665
R661
R663
R664
C665
R632
R634
R635
R633
R636
R637
R643
C601
C602
FB5
C664
C603
C604
C605
C606
R656
R626
R627
R628
R629
R630
R631
R658
R657
C611
C610
FB4
R625
C644
FB6
RV661
CN2
D692
D693
R617
C614
TP71
R647
JR14
R648
R646
C656
C663
C662
R662
C681
JR4
C666
C613
C612
C661
D601
D602
D669
D670
D665
D661
D662
D664
D667
D668
D663
D666
R640
R641
R638
R670
C657
C658
C659
C660
R660
R659
R680
CN701
R611
R609
Q601
Q603
Q605
Q602
Q604
Q606
1k
680
0
1k
680
1k
680
0
11ES2
470
16V
47k
47k
47k
47k
47k
47k
47k
47k
47k
2SC2785
10P
100
100
100
100
10k
100
100
100
10k
100
220
220
100
100
100
0
0
18p
15p
330k
32.768kHz
16MHz
10k
10k
10k
0
0
0
10k
4.7k
47k
47k
1000
6.3V
10k
10k
100
100
100
100
1k
0.1
10
50V
0
0.01
220p
220p
220p
220p
100
100
100
100
100
100
100
100
10k
0.01
10
50V
0
10k
0.1
0
2.2k
17P
11ES2
11ES2
100
0.1
0
0
0
10k
0.1
0.1
0.1
1k
0.1
0
0.1
0.001
0.001
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
0
3.3k
0.1
0.1
0.1
0.1
100
10k
10k
30P
10k
10k
DTC114ES
DTC114ES
DTC114ES
2SB1116A
2SB1116A
2SB1068
6
54
52
43
40
39
49
50
35
34
51
24
25
17
26
29
30
46
47
7
53
X3
22
23
44
4
5
1 3
2
13
5
7
1
2
3
4
1
2
3
4
97
100
E
D
C
41
A
B
F
G
H
66
67
68
69
70
71
89
90
20
21
22
23
24
25
26
27
28
32
33
34
35
37
40
42
43
44
45
46
47
48
49
60
61
65
66
67
68
69
70
71
73
74
80
81
82
J
I
K
95
91
83
84
85
86
60
61
65
44
45
46
47
48
49
19
83
84
85
86
88
91
89
90
73
74
100
38
41
88
6
95
I
J
K
97
*
*1
*2
1
5
10
15
20
25
30
SENS
HOLD
XLT
XRST
OPEN
CLOSE
SQ DAT
SQ CLK
CD DAT OUT
CANT USE
CD CLK
CD POWER
CLOCK OUT
M RESET
LOAD IN
LOAD OUT
UP/DOWN
T SENS
GAME/DVD
PROTECT
VACS
AVSS
POWER
AVCC
S IN
AV REF
VIDEO SW2
SPEC IN
MODE IN
SP/VACS
B SHUT
ASHUT
FRONT RELAY
REAR RELAY
STB RELAY
STK MUT
LINE MUT
SP LATC
SP LATB
VDD
VSS
AMS
BIAS
SP LATA
REC MUT
PB MUT
TC RELAY
PB A/B
POWER KEY
DISPLAY KEY
B PLAY
A PLAY
B HALF
A HALF
B REC REW
B REC KEY
CAPM CONT
SOFT TEST
B TRG
A TRG
SUR3
SUR2
SUR1
494 LT
494 CLK
494 DAT
REAR MUT
CENT MUT
NO USE
VCD
VCD
SCOR
NMI
VCC
XIN
VSS
XOUT
RESET
CNXSS
BYTE
NO USE
S OUT
S CLK
S BSY
REMOTE IN
3878 DAT
3878 LAT
3878 CLK
XC IN
XC OUT
AC OUT
RDS INT
RDS DATA
ST MUTE
STEREO(IN)
TUNED
ST CE
ST DOUT
ST DIN
ST CLK
IC401
M30622MAA
IC661
M51943BSL
GND
VF
VP
VF
VF
GND
GAME L
GAME GND
GAME R
POWER ON
VIDEO SW
POWER KEY
DISPLAY KEY
M RESET
REMOTE IN
S BSY
S CLK
S OUT
S IN
NO USE
LED GND
MIC +12V
MIC SIG
MIC GND
HP R
HP GND
HP L
D GND
EVER +5V
+5V(SW)
MTR CTN2
M GND
MTR CTN1
M +7V
D +5V
OPEN SW
CLOSE SW
UP/DOWN SW
ADDRESS SW
D GND
GND
NC
CAPM+
NC
NC
A HAFE
A MODE
A PHOTO
A SOL
B HAFE
B MODE
B PHOTO
B SOL
RESET
MOTOR H
MOTOR L
REC(FWD)
REC(REW)
MT GND
MASTER
CONTROL
RG30
DX20
*C661
22/25V
22/50V
RESET
Q661
INV.
RG30
DX20
47k
10k
RG30
*1 R640
33k
47k
*2 R641
1.5k
22k
TAPE SPEED
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSSENBLED
BLOCK
(
(
DX20
DX20
Q601,602
A TRIG DRIVE
A TRIG DRIVE
Q603,604
Q605,606
CAP MOTOR DRIVE
DX20:EA
DX20:KR,SP,TH
AR,E2,E51,MX
DX20:
MAIN
BOARD(3/5)
MAIN
BOARD(2/5)
(Page 26)
(Page 27)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(3/5)
(Page 27)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(5/5)
(Page 29)
BOARD
CN701
DRIVER
(Page 36)
BOARD
PANEL
CN711
(Page 33)
MAIN
BOARD(3/5) (Page 27)
MAIN
BOARD(1/5)(Page 25)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
29
29
HCD-DX20/RG30
6-10. SCHEMATIC DIAGRAM – MAIN SECTION (5/5) –
Q381
Q382
Q385
Q386
Q387
C371
C372
C373
C374
C686
C687
C688
C690
C689
C691
C698
C697
RY371
R383
R384
R385
R386
R387
R388
R389
C381
C375
C376
L371
L372
C382
C383
C685
L671
C676
C674
C675
CN403
R377
R378
R379
R380
JW8
JW9
C683
C684
C672
C673
C678
C679
C693
C694
C671
C677
D686
D383
D372
D685
JK302
Q384
Q383
D687
D688
D689
D690
D694
D695
C699
JR638
CN102
FB2 0µH
0µH
100µH
JR640
Q682
R681
D681
D682
D683
D684
Q681
R382
R381
CN402
FB1
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
0.1
0.1
0.1
0.1
10
50V
1000
6.3V
10
50V
10
50V
100
10V
100
10V
10
50V
2200
25V
10k
10k
33k
22k
4.7k
22k
5.6k
100
10V
1000p
1000p
2.2
50V
2.2
50V
2200
16V
100
10V
100p
470
6.3V
10
1/2W
10
1/2W
10
1/2W
10
1/2W
0.1
0.1
100p
100p
100p
100p
0.01
0.01
1000
6.3V
470
10V
1SS355TE
1SS355TE
1SS355TE
1SS355TE
DTC114ES
2SA1175
11ES2N
11ES2N
11ES2N
11ES2N
11ES2N
11ES2N
470
16V
0
19P
0
DTC114ES
0
11ES2N 11ES2N
11ES2N 11ES2N
RT1P137S
13P
17
46
47
36
37
38
39
40
48
25
24
28
27
30
41
29
26
22
23
X3
16
44
35 34
21 20
18
19
32
33
34
40
42
43
35
37
H
38
F
G
42
*
*
PH671
CD DIGITAL
OUT
+5V
OUT
IC681
UPC7805A
UPC7805A
IC682
IC683
UPC7812A
IC684
VF
VF
-B
VP
L OUT
R OUT
SP GND
SP GND
PW GND
AC4
AC4
AC3
AC3
STBY
PROTECTOR
L OUT
R OUT
A GND
+12V GND
REG+12V
FAN ON
EVER +5V
D GND
STK MUT
+7V
+B SWITCH
Q681,682
+12V REG
+5V REG
+5V REG
OUT
IN
G
OUT
IN
G
OUT
IN
G
OPTICAL
OUT
IN
G
+9V REG
SCOR
SOCK
SENS
SOSO
HOLD
CLOK
XLT
DATA
XRST
A+5V(SW)
ROUT
AGND
LOUT
DGND
DOUT
D+5V(SW)
+5V
MGND
SPEAKER
USE 6-16Ω
+
-
+
-
AVDD
DVDD
CD/R
CD/L
R
L
IMPEDANCE
DRIVE
RELAY
Q384,385
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
Q381,382
DETECTOR
M5F7809AFH
GND
RG30
DX20
DX20
47k
RG30
DX20
*R382
56k
RG30
DX20
56k
47k
*R381
RG30
MAIN BOARD(4/5)
MAIN BOARD(3/5)
(Page 28)
(Page 27)
BOARD
CN502
POWER AMP
(Page 31)
BOARD
BD
CN101
(Page 23)
MAIN
BOARD(4/5)
(Page 28)
BOARD
CN403
POWER AMP
(Page 31)
MAIN BOARD(2/5)
MAIN BOARD(4/5)
MAIN BOARD(3/5)
MAIN BOARD(3/5)
(Page 26)
(Page 28)
(Page 27)
(Page 27)
MAIN BOARD(4/5) (Page 28)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
30
30
HCD-DX20/RG30
6-11. PRINTED WIRING BOARD – POWER AMP SECTION –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
D501
B-5
D502
B-4
D541
C-5
D542
A-3
D543
A-3
D551
B-4
IC501
A-5
Q501
B-5
Q503
B-5
Q504
B-5
Q551
B-4
Q581
B-5
• Semiconductor
Location
POWER AMP BOARD
11
(13)
21
(21)
DX20
1-681-448-
D
F
MAIN BOARD
(Page 24)
MAIN BOARD
(Page 24)
RG30
RG30/
DX20:KR
C TRANS BOARD
(Page 34)
(CHASSIS)
DX20
RG30/
DX20:KR
RG30/DX20:KR
(CHASSIS)
E
E
E
E
E
R513
R519
_
+
1
13
1
13
1
13
2
3
4
5
6
7
A
1
B
C
D
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
31
31
HCD-DX20/RG30
6-12. SCHEMATIC DIAGRAM – POWER AMP SECTION –
Q504
Q501
Q551
Q503
C542
C592
C541
C591
C501
C503
C504
C511
C512
C543
R501
R502
R512
R561
CN501
R505
R506
D501
D502
R507
C507
C508
D551
D542
D543
C545
C544
JW501
C551
R551
C553
C554
C559
R552
R581
R582
R514
R515
R516
R517
R556
R557
C557
C558
R559
C509
R511
JW513
EP501
EP502
C513
C502
C552
R503
R553
R504
Q581
R509
R513
R519
R510
R508
R558
R560
R555
R541
R591
D541
CN502
CN503
R554
R518
2SC1841
2SC1841
2SC1841
2SA988
2200
50V
2200
50V
0.1
100V
0.1
100V
10
50V
100p
22
50V
0.01
0.001
0.1
1k
56k
1
1/4W
100
1/4W
1k
15k
1SS133T
1SS133T
100k
0.068
0.068
1SS133T
11ES2
11ES2
3300
35V
1000
25V
10
50V
1k
100p
22
25V
22
50V
56k
33k
33k
2.2k
22k
10k
2.2k
15k
100k
0.068
0.068
10
1/2W
22
50V
100
1/4W
2SC1841
10
1/2W
22k
22k
0.22
2W
0.22
2W
0.22
2W
0.22
2W
1k
22k
1/2W
22k
1/2W
D5SBA204101
13P
13P
10k
*
*
*
*
*
*
*
+VCC
PRE
BIAS
+VCC
-VCC
CH1 IN
CH1 NF
CH1 +VE
CH1 -VE
CH2 +VE
CH2 -VE
PRE -VCC
SUB GND
CH2 NF
CH2 IN
PROTECTOR
L OUT
R OUT
A GND
+12V GND
REG+12V
FAN ON
EVER +5V
D GND
STK MUT
VF
VF
-B
VP
L OUT
R OUT
SP GND
SP GND
PW GND
AC4
AC4
AC3
AC3
AC4
AC4
AC3
AC3
VF
VF
VP
D GND
EVER +5V
STBY RELAY
STBY RELAY
AC1
GND
AC1
IC501
POWER AMP
(CHASSIS)
(CHASSIS)
RG30
*C513
0.1
0.001
0.001
RG30
DX20
*C502,552
470P
RG30
DX20
*R503
680
1.2k
RG30
DX20
680
1.2k
RG30
DX20
*R504
33k
56k
MUTE
DRIVER
BUFFER
MUTE
Q503,504
PROTECTION
PROTECTION
DX20
DX20
RG30
DX20
33k
56k
*R554
STK402-0705(1/2)
IC501
STK402-0705(2/2)
RG30/DX20:KR
*R553
RG30/DX20:KR
DX20KR
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(5/5)
(Page 29)
BOARD
TRANS
(Page 35)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
32
32
HCD-DX20/RG30
6-13. PRINTED WIRING BOARD – PANEL SECTION –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
D701
A-9
D702
B-2
D703
B-2
D704
A-2
D705
A-2
D706
B-9
D707
H-3
D708
F-4
D709
G-7
D710
G-7
D713
C-4
D716
B-2
D717
B-2
D718
A-2
D719
A-2
D720
B-9
D721
D-3
IC701
B-5
IC702
D-7
SEN701
A-7
Q701
A-8
Q702
B-3
Q703
B-3
Q704
B-3
Q705
B-3
Q706
B-8
Q707
F-3
Q708
G-3
Q709
G-6
Q710
G-6
Q711
B-6
• Semiconductor
Location
PANEL BOARD
KEY BOARD
11
(13)
11
(21)
1-681-447-
DX20 RG30
11
(13)
21
(21)
1-681-446-
DX20 RG30
DX20
J702
MIC
VR703
MIC LEVEL
(CHASSIS)
(CHASSIS)
A
MAIN
BOARD
(Page 24)
(CHASSIS)
>
M
x
X
Z
B
B
B
B
gG
>
M
E
VIDEO OUT BOARD
11
(13)
21
(21)
1-681-441-
DX20 RG30
1
1
2
L
R
(CHASSIS)
CLP4
CN714
JK705
VIDEO
OUT
2
IC702
1
2
6
7
5
4
3
1
J701
PHONES
VOLUME
S701,702,704-738
2
6
7
5
4
3
1
2
6
7
5
4
3
1
2
3029
DX20
TUNER/BAND
E
E
E
E
61 60
20 21
80
1
41
40
E
DX20
1
4
5
8
1
13
1
13
DISPLAY
MUSIC EQ
EFFECT ON/OFF
GROOVE
GAME EQ
DISC SKIP
EX–CHANGE
DISC 1
DISC 2
DISC 3
OPEN/
LCOSE
P.FILE
ENTER
SPECTRUM
MOVIE EQ
TUNER MEMORY/PLAY MODE
E
E
KARAOKE PON
DX20
DIRECTION/EDIT
STEREO/MONO
REPEAT
+
E
3
1
AUDIO
INPUT
VIDEO
IC701
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
H
I
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
33
33
HCD-DX20/RG30
6-14. SCHEMATIC DIAGRAM – PANEL SECTION –
• See page 19 for Waveforms.
SEN701
C708
C709
R747
R749
R750
R752
R753
R756
C710
C711
R758
C712
C713
R760
C714
C715
R762
C722
C723
C724
C725
C726
C727
C728
C729
C730
C731
C732
C733
R798
R797
R746
R745
S726
R727
R728
R729
R730
R731
R732
R733
R734
R735
R736
R737
S727
S731
S732
S733
S734
S735
S736
S738
S713
R714
R715
R716
R717
R718
R719
R720
R721
S714
S715
S716
S717
S718
S719
S720
S721
R703
R704
R705
R706
R707
R708
R709
R710
R711
S704
S705
S706
S707
S708
S709
S710
S711
R713
R726
S725
R725
S724
S723
S722
S702
R702
R722
R723
R724
C735
C734
C738
C739
R770
R771
R772
C760
C761
C762
C763
C765
C754
C755
C756
C757
C758
C759
JW706
JW707
C766
R784
JW704
JW705
R786
R788
VR703
R792
R791
R789
C720
R765
RES701
C716
C721
S728
S729
S730
S737
C704
C705
R769
R796
R805
R806
C778
C779
R743
R744
R741
R742
JW710
JW713
CN714
R755
JW708
JW709
C701
C702
R701
R748
CN715
C703
C770
D702
Q702
D716
Q703
D717
D703
Q704
D718
D704
Q705
D719
D705
Q706
D720
D706
D701
Q701
R738
C777
C706
C707
J705
CN174
WIRE701
WIRE704
WIRE702
J701
PHONES
C736
C737
CN711
D721
FB701
0µH
D713
Q709
Q710
Q707
Q708
D707
D710
D709
CN712
S712
R768
IC702(1/2)
IC702(2/2)
R787
R790
R764
R763
R761
R759
R757
R785
R783
J702
WIRE703
R740
S701
Q711
C775
D708
100p
100p
10k
10k
10k
10k
10k
100
100p
100p
100
100p
100p
100
100p
100p
100
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
330
330
330
330
330
470
560
680
1k
1.2k
1.8k
2.7k
3.3k
4.7k
6.8k
330
470
560
680
1k
1.2k
1.8k
2.7k
470
560
680
1k
1.2k
1.8k
2.7k
3.3k
4.7k
270
270
10k
330
3.3k
4.7k
6.8k
0.01
0.01
100
10V
100
10V
1k
12k
10k
2.2
50V
47p
100p
2.2
50V
10
50V
47p
0.22
50V
0.001
0.01
0.1
50V
470p
10
50V
100k
1k
100
50K
100k
100
10k
0.01
1M
5MHZ
0.022
47
10V
47
10V
0.001
47
47
180
120
0.1
0.1
27k
27k
10k
10k
10k
33
50V
33
50V
270
10k
0.01
0.1
SEL5955A
DTC114ES
LED
DRIVE
SEL5955A
DTC114ES
LED
DRIVE
SEL5955A
SEL5955A
DTC114ES
LED
DRIVE
SEL5955A
SEL5955A
DTC114ES
LED
DRIVE
SEL5955A
SEL5955A
DTC114ES
LED
DRIVE
SEL5955A
SEL5955A
SEL223C
DTA124ES
LED
DRIVE
0.1
0.001
0.001
30P
1SS133T
1SS133T
DTC114ES
LED
DRIVE
DTC114ES
LED
DRIVE
DTC114ES
LED
DRIVE
DTC114ES
LED
DRIVE
SEL5223S
SEL5923A
SEL5923A
13P
100
NJM4565M-TE2
NJM4565M-TE2
22k
180k
10k
10k
10k
10k
10k
10k
1k
82
2SC2875
BUFFER
0.01
SEL5223S
6
13
14
7
8
9
10
21
22
26
27
28
29
30
31
32
33
34
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
68
67
66
65
64
63
62
61
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
69
70
71
72
73
74
75
76
77
78
79
80
69
70
71
72
73
74
75
76
77
78
79
80
31
32
33
34
30
21
22
26
27
28
29
6
7
8
9
10
13
14
17
17
*
*
*
1
5
10
15
20
25
30
IC701
DISPLAY
CONTROL
GND
VF
VP
VF
VF
GND
GAME L
GAME GND
GAME R
POWER ON
VIDEO SW
POWER KEY
DISPLAY KEY
M RESET
REMOTE IN
S BSY
S CLK
S OUT
S IN
NO USE
LED GND
MIC +12V
MIC SIG
MIC GND
HP R
HP GND
HP L
D GND
EVER +5V
+5V(SW)
DISC 1
DISC 2
DISC 3
DISC SKIP
CD SYNC
REC PAUSE/START
EFFECT ON/OFF
P.FILE
ENTER
PLAY MODE
STEREO/MONO
REPEAT
DIRECTION
DISPLAY
MD(VIDEO)
TAPE A/B
TUNER/BAND
CD
4
3
2
1
8
7
6
5
(CHASSIS)
(CHASSIS)
J704
(CHASSIS)
KEY1
KEY0
VSS
AVDD
VDD
DVD5.1
LED
LED
LED
LED
LED
LED
LED
LED
NC
S29
S28
S27
S26
VLOOD
VDD2
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
G0
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
S0
S1
S2
S3
S4
S5
S6
S7
VDD
VSS
X1
X2
IC
RESET
S
S
S
SBSY
NC
NC
VOL
VOL
NC
NC
HEADPHONE
AVSS
NC
KEY2
FLUORESCENT
INDICATOR
TUBE
FLD1
(CHASSIS)
MD(VIDEO)
TAPE A/B
CD
TUNER/BAND
GAME
I/
RG30
DX20
*R738
1k
2.2k
DX20
RG30
DX20
*C706,707
100P
0.001
VIDEO
OUT
R
L
VIDEO
AUDIO
GAME
IN
VR701
ROTARY
ENCODER
(
(
VOLUME
SEN701
NJL64H400A-1
REMOTE
CONTROL
RECEIVER
GAME
GROOVE
GROOVE
KARAOKE PON
DX20
GROOVE
KARAOKE PON
EX-CHANGE
DX20
OPEN/CLOSE
MOVIE EQ
MUSIC EQ
GAME EQ
TUNER MEMORY
/EDIT
SPECTRUM
+
-
UPD780232GC- 031-8BT
MIC
AMP
MIC LEVEL
MIC
I/
DX20
REC
PAUSE/START
ENTER
BOARD
MAIN
(Page 28)
(4/5)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
34
34
HCD-DX20/RG30
6-15. PRINTED WIRING BOARD – TRANS SECTION –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
D901
C-4
D902
B-3
D903
B-2
D904
B-3
D905
B-2
D911
E-6
D912
E-7
D913
F-8
IC901
C-2
Q901
C-3
Q911
F-7
• Semiconductor
Location
C
POWER AMP
BOARD
(Page 30)
11
(11)
1-681-444-
11
(11)
1-681-445-
SUB TRANS BOARD
TRANS BOARD
E
B
T911
POWER TRANSFORMER
DX20:MX
DX20:MX
RG30/DX20:KR,TH
RG30/DX20:KR,MX,TH
EXCEPT DX20:MX
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP
S901
VOLTAGE
SELECTOR
�
240V
220-230V
120V
RG30/DX20:KR,
MX,TH
RG30/DX20:KR,TH
RG30/
DX20:KR,TH
DX20:MX
DX20:AR,E2,
E51,EA,SP
DX20:AR,E2,
E51,EA,SP,MX
AC IN
1
2
3
4
1
2
3
4
�
JW2
2
3
4
5
6
7
8
A
1
B
C
D
E
F
1
1
3
3
1
3
E
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
35
35
HCD-DX20/RG30
6-16. SCHEMATIC DIAGRAM – TRANS SECTION –
C902
C903
D902
D903
D904
D905
JW3
JW4
JW911
JW912
JW913
F919
JW914
R919
R911
R912
R913
R915
R916
R905
C911
C912
C913
D911
C915
CN3
CN2
R902
F918
JW6
JW5
S901
JW1
T901
CN903
CN913
D912
CN901
C901
D901
RY901
F914
F920
JW917
R920
Q911
D913
CN915
Q901
2200
16V
100
16V
11ES2
11ES2
11ES2
11ES2
T2AL/250V
0.33
1/4W
1
1/4W
1k
10k
100
100
100
220
63V
10
50V
100
50V
11ES2
0.1
10k
T2.5AL/250V
3P
3P
MTZJ-30B
2P
0.01
1SS133T
T6.3AL/250V
T6.3AL/250V
0.33
1/4W
2SA1932
-30V REG.
RD5.6ESB2
13P
2SC2785
STBY RELAY
EVER +5.7V
D GND
STBY RELAY
EVER +5.7V
D GND
IC901
AC IN
+5.7V REG
POWER
TRANSFORMER
T911
AC4
AC4
AC3
AC3
VF
VF
VP
D GND
EVER +5V
STBY RELAY
AC1
GND
AC1
VOLTAGE SELECTOR
120V
220-230V
240V
CN3
CN2
POWER
TRANSFORMER
TA78057S
RG30
DX20
DX20
RG30
RG30
RELAY
DRIVER
2P:RG30/DX20:KR,MX,TH
4P:DX20:AR,E2,E51,EA,SP
2P:RG30/DX20:KR,MX,TH
4P:DX20:AR,E2,E51,EA,SP
DX20:KR,MX,TH
DX20:AR,E2,E51,EA,SP
RG30/
RG30/DX20:KR,TH
DX20:MX
DX20:AR,E2,E51,EA,SP
EA,KR,SP,TH
DX20:AR,E2,E51,
DX20,AR,E2,E51,EA,SP
DX20:MX
DX20:AR,E2,E51,EA,SP
BOARD
POWER AMP
(Page 31)
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
36
36
HCD-DX20/RG30
6-17. PRINTED WIRING BOARD – DRIVER SECTION – • See page 19 for Circuit Boards Location.
1
2
A
B
C
D
3
4
5
6
7
8
9
10
IC711
IC701
14
14
14
14
14
14
(Page 24 )
B
CN1
4
CN1
(Page 26)
(4/5)
B
IC B/D
A
C
E
K
MTZJ-T-77-3.9A
Ref. No.
Location
D707
E-1
IC701
B-8
IC711
B-5
• Semiconductor
Location
6-18. SCHEMATIC DIAGRAM – DRIVER SECTION –
• See page 42 for IC Block Diagrams.
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
37
HCD-DX20/RG30
6-19. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC401 M30622MCA-B23FP (MASTER CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
I
I
O
O
O
—
—
I
O
I
O
—
I
I
I
I
I
I
I
O
I
I
O
O
I
O
—
—
—
I
I
I
O
—
O
O
O
O
O
O
O
O
O
I
I
I
I
—
Description
Serial data output the display control.
Serial clock output from main controller.
Busy signal input from the display control. “L” : busy
Pemoto commander input.
Data signal output for IC301(BH3878KS2)
Latch signal output for IC301(BH3878KS2)
Clock signal output for IC301(BH3878KS2)
Connected to ground.
Connected to ground.
SUB SYSTEM CLOCK input.(32.768MHz)
SUB SYSTEM CLOCK output.(32.768MHz)
System reset input.
MAIN SYSTEM CLOCK output.(16MHz)
Connected to ground.
MAIN SYSTEM CLOCK input.(16MHz)
Power supply.(+5V)
PULL UP.(EVER+5V)
AC CUT ON(L)/OF(H) CHECK.
CD Q-data request signal input.
RDS interrupt signal input.
RDS data signal input.
Tuner mute signal output.
STEREO detect signal input.L=ON,H=OFF
TUNER detect signal input.L=ON,H=OFF
TUNER chip eneble output.
TUNER data output.
TUNER data input.
TUNER clock signal output.
Not used.
Not used.
Not used.
Subcode Q data input(CD data).
Subcode Q clock input(CD clock).
BD condition signal input.
CD data output.
Not used.
CD clock output.
CD-POWER ON/OFF signal output.H=ON,L=OFF
Not used (open).
HOLD signal output.
Micom reset signal output to the display control. “L” : reset
CD latch signal output.
CD reset signal output.
Loading motor control signal output (Loading).
Loading motor control signal output (un Loading).
Tray open detect signal input.
Tray close detact signal input.
Pick-up up/down detect signal input.
CD table detect signal input.
Not used.
Pin Name
S-OUT
S-CLK
S-BSY
REMOTE IN
3878-DAT
3878-LAT
3848-CLK
BYTE
CN VSS
XC IN
XC OUT
RESET
X OUT
VSS
X IN
VCC
NMI
AC-CUT
RCOR
RDS-INT
RDS-DATA
ST-MUTE
SSTEREO(IN)
TUNER
ST-CE
ST-DOUT
ST-DIN
ST-CLK
VCD
VCD
NO USE
SQ-DAT IN
SQ-CLK
SENS
CD-DAT OUT
CAN’T-USE
CD-CLK
CD-POWER
CLOCK-OUT
HOLD
M-RESET
XLT
XRST
LOAD-IN
LOAD-OUT
OPEN
CLOSE
UP/DOWN
T-SENS
GAME/DVD
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
38
HCD-DX20/RG30
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
—
—
—
—
—
—
—
—
—
O
O
I
I
—
O
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
I
I
—
I
—
O
—
—
I
Description
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
A deck trigger control signal output.H=ON,L=OFF
B deck trigger control signal output.H=ON,L=OFF
Power supply.(+5V)
Not used.
Connected to ground.
Capstan motor REV/FWD/STOP control signal output.H=REV,L=FWD/STOP
Detection input from the deck-B rec forward detect switch. “L” : rec
Detection input from the deck-B rec reverse detect switch. “L” : rec
A deck hafe detect signal input.
B deck hafe detect signal input.
A deck play detect signal input.
B deck play detect signal input.
AMS signal input.L=ON,H=OFF
DISPLAY KEY control signal output.
POWER KEY control signal output.
BIAS ON/OFF signal output.H=ON,L=OFF
Playback deck A/B select signal output.H=High,L=Normal
Tape deck relay ON/OFF signal output.H=ON,L=OFF
PB mute ON/OFF signal output .H=ON,L=OFF
REC mute ON/OFF signal output .H=ON,L=OFF
Serial data latch pulse output to BH3878KS2 (IC301)
Serial data latch pulse output to BH3878KS2 (IC301)
Serial data latch pulse output to BH3878KS2 (IC301)
Line mute signsl output.L=ON,H=OFF
Power amplifier mute ON/OFF signal output.H=ON,L=OFF
Speaker protect signal input.L=ON,H=OFF
STANDBY relay control signal output.
Rear speaker relay control output.
Front speaker relay control output.
A deck reel pulse detect signal output.
B deck reel pulse detect signal output.
SP/VACS (tape) select signal input.
Destination setting terminal.
Version select signal input.
Not used
Tape recording level input.
Connected to ground.
POWER ON/OFF signal output.H=ON,L=OFF
Analog reference voltage.
Power supply.(+5V)
Serial data input the display control.
Pin Name
NO USE
CENT-MUTE
REAR-MUT
494-DAT
494-CLK
494-LT
SUR1
SUR2
SUR3
A-TRG
B-TRG
VDD
SOFT TEST
VSS
CAMP-CONT
B-REC FWD
B-REC REW
A-HAFE
B-HAFE
A-PLAY
B-PLAY
AMS-IN
DISPLAY KEY
POWER-KEY
BIAS
PB-A/B
TC-RELAY
PB-MUT
REC-MUT
SP-LATA
SP-LATB
SP-LATC
LINE-MUT
STK-MUT
PROTECT
STB-RELAY
REAR-RELAY
FRONT-RELAY
A-SHUT
B-SHUT
SP/VACS
MODE IN
SPEC-IN
VIDEO SW2
VACS
AVSS
POWER-KEY
AV-REF
AVCC
S-IN
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
39
HCD-DX20/RG30
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 - 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37 - 58
59
60
61 - 67
68 - 80
I/O
I
—
O
I
—
I
I
I
I
O
—
—
I
I
—
—
I
—
—
I
—
I
I
O
O
O
O
O
O
O
O
O
—
—
O
I
I
O
O
Description
Power supply.(+5V)
Connected to ground.
System clock output terminal.(5MHz)
System clock input terminal.(5MHz)
Connected to ground.
Reset signal input from main controller.
Serial clock input from main controller.
Serial data input from main controller.
Serial data output from main controller.
Busy signal output.
Not used.
Not used.
VOLUME A signal input.
VOLUME B signal input.
Not used.
Not used.
Headphone detect signal input. H=ON,L=OFF
Connected to ground.
Not used.
KEY input.(AD)
Connected to ground.
Power supply.(+5V)
Power supply.(+5V)
KARAOKE LED driver output.
GROOVE LED driver output.
ENTER LED driver output.
REC LED driver output.
GAME LED driver output.
MD(VIDEO) LED driver output.
TAPE LED driver output.
CD LED drover output.
TUNER LED driver output.
Not used.
Not used.
FL segment signal output.
Power supply.(+5V)
Power supply (-30V) at FL driver.
FL segment signal output.
FL gride output.
Pin Name
VDD
VSS
X1
X2
IC
RESET
S-CLK
S-IN
S-OUT
SBSY
NO USE
NO USE
VOL-A
VOL-B
NO USE
NO USE
HEADHONE
AVSS
NO USE
KEY2-KEY0
VSS
AVDD
VDD
DV5.1-LED
PRO-LED
ENTER-LED
REC-LED
GAME-LED
MO/VIDEO-LED
TAPE-LED
CD-LED
TUNER-LED
GROOVE
NO USE
S29-S8
VDD2
VLOOD
S7-S0
G11-G0
• PANEL BOARD IC701 UPD780232GC-031-8BT (DISPLAY CONTROL)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
40
HCD-DX20/RG30
IC101 CXD2587Q (BD BOARD)
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11
12 13 14
15 16 17 18
19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
6-20. IC BLOCK DIAGRAMS
IC102 BA5974FP-E2 (BD BOARD)
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAPAIN1
CAPAIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAPAIN3
GND
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
41
HCD-DX20/RG30
IC103 CXA2568M-T6 (BD BOARD)
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
TRACKING
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFE
FE
TE
(50%/30%
OFF)
APC PD AMP
APC LD AMP
IC103 BU1924 (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
RDATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO
XI
(NC)
VDD2
VSS2
T1
T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
IC102 LC72130 (MAIN BOARD)
1
2
3
4
5
6
7
8
XIN
B03
CE
IFIN
AOUT2
AIN1
AIN2
D1
CL
B04
D0
B01
I01
B02
XOUT
PD1
VSS
PD2
FMIN
AMIN
AOUT1
VDD
I02
B05
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16.1/17 4bits
SWALLOW COUNTER
1/16.1/17 4bits
POWER
ON
RESET
1/2
C B
I / F
REFERENCE
DIVIDER
REFERENCE
DIVIDER
C B
I / F
2
DATA SHIFT REGISTER
LATCH
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
42
HCD-DX20/RG30
IC101 BA1450 (MAIN BOARD)
IC701 BA6956AN (DRIVER BOARD)
CH2/A
CH2/B
NF
VCC
CG
NF
ALC
METAL
OUT
PRE
OUT
TAPE A
/TAPE B
REC
OUT
REC
IN
CH1/A
CH1/B
NF
GND1
M/H
NF
CH2
CH2
ALC
M/N
CH1
GND
GND
CH1
+
–
+
–
+
–
+
–
A/B
GND
METAL
OUT
PRE
OUT
MIX
OUT
REC
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
24
15
14
13
AM
OSC
AM
MIX
AM IF
FM
IF
FM
DET
AM
DET
SD
DET
AGC
LED
DRIVER
COMP
SD
SW
VCO
PD
1/2
DECODER
VREG
1/2
FM IN
FM DET
TUNED
STEREO
IF OUT
R OUT
L OUT
AM/FM
FM/AM DET OUT
AM MPX IN
FM MPX IN
IN REQ MUTE
FM SD ADJ
VCC
GND
AM OSC OUT
AM OSC
VCO STOP
AM RF IN
AM IF IN
AM AGC
AM MIX OUT
FM BAND WIDTH
V . REG
IC201 TA8189N (MAIN BOARD)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
43
HCD-DX20/RG30
SECTION 7
EXPLODED VIEWS
7-1. MAIN SECTION
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
1
3-363-099-01
SCREW (CASE 3 TP2)
2
3-363-099-41
SCREW (CASE 3 TP2)
3
4-224-549-01
CASE (SIDE-L)
4
4-234-009-01
CD DOOR (RG30)
4
4-234-009-11
CD DOOR (DX20)
5
4-224-550-01
CASE (TOP)
6
1-681-441-11
VIDEO OUT BOARD (DX20)
6
1-681-441-21
VIDEO OUT BOARD (RG30)
CD mechanism deck
#3
#3
#3
#3
#3
#3
#3
#5
4
3
11
1
1
2
2
front panel section
chassis section
not supplied
#3
#1
#3
#3
#3
#3
10
7
9
8
5
6
• Abbreviation
EA
: Saudi Arabia model
SP
: Singapore model
TH
: Thai model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
E51
: Chiri and Peru model
E2
: Central and South America model
7
4-234-032-21
PANEL BACK (RG30)
7
4-234-091-01
PANEL BACK (DX20:E2, E51, EA, SP, AR)
7
4-234-091-61
PANEL BACK (DX20:KR, MX, TH)
8
4-227-984-11
COVER (DUCT)
9
1-681-445-11
SUB TRANS BOARD (DX20)
9
1-681-445-21
SUB TRANS BOARD (RG30)
10
4-225-252-01
CUSHION (FOOT)
11
4-224-548-01
CASE(SIDE-R) (DX20)
11
4-224-548-61
CASE(SIDE-R) (RG30)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
44
HCD-DX20/RG30
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
62
4-224-560-01
CAM (L), HEART
63
4-951-620-01
SCREW (2.6X8), +BVTP
64
1-681-447-11
KEY BOARD
65
4-234-016-01
FL HOLDER
66
A-4476-797-A PANEL BOARD, COMPLETE
(DX20:E2, E51, EA, SP, AR, MX)
66
A-4725-721-A PANEL BOARD, COMPLETE (DX20:KR)
66
A-4725-982-A PANEL BOARD, COMPLETE (DX20:TH)
66
A-4726-035-A PANEL BOARD, COMPLETE (RG30)
67
4-224-559-01
CAM(R), HEART
68
4-224-561-01
BRACKET (HEART CAM R)
69
4-233-982-01
CASSETTE DOOR SPRING R
70
1-796-123-11
DECK, MECH (TC)
FLD1
1-518-729-11
INDICATOR TUBE, FLUORESCENT
51
4-234-019-01
VOLUME KNOB (RG30)
51
4-234-019-11
VOLUME KNOB (DX20)
52
4-234-015-01
VOL KNOB RING
53
X-4953-757-1
PANEL FRONT ASSY (DX20)
53
X-4953-887-1
PANEL FRONT ASSY (RG30)
54
4-225-252-01
CUSHION (FOOT)
55
X-4953-759-1
CASSETTE WINDOW R ASSY (DX20)
55
X-4953-889-1
CASSETTE WINDOW R ASSY (RG30)
56
X-4953-758-1
CASSETTE WINDOW L ASSY (DX20)
56
X-4953-888-1
CASSETTE WINDOW L ASSY (RG30)
57
4-231-805-01
KNOB (MIC) (DX20)
58
4-233-981-01
CASSETTE DOOR SPRING L
59
4-224-104-11
DAMPER
60
4-224-562-01
BRACKET (HEART CAM L)
61
4-224-803-01
SPRING (PUSH), COMPRESSION
55
54
56
53
51
52
58
60
59
59
FLD1
not supplied
63
63
69
70
57
61
62
63
*63
*63
*63
*63
64
65
66
68
61
67
not supplied
* For service only (Be sure to refer to "Service note" on page 4.)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
45
HCD-DX20/RG30
7-3. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
1-773-049-11
WIRE (FLAT TYPE)(17 CORE)
102
A-4476-781-A MAIN BOARD, COMPLETE (DX20:EA)
102
A-4476-783-A MAIN BOARD, COMPLETE (DX20:SP)
102
A-4476-788-A MAIN BOARD, COMPLETE
(DX20:E2, E51, AR, MX)
102
A-4725-723-A MAIN BOARD, COMPLETE (DX20:KR)
102
A-4725-986-A MAIN BOARD, COMPLETE (DX20:TH)
102
A-4726-039-A MAIN BOARD, COMPLETE (RG30)
* 103
4-988-533-01
HOLDER, PWB
104
1-791-897-12
WIRE (FLAT TYPE) (19 CORE)
105
A-4476-779-A POWER AMP BOARD, COMPLETE (DX20:EA, SP)
105
A-4476-786-A POWER AMP BOARD, COMPLETE
(DX20:E2, E51, AR, MX)
105
A-4725-719-A POWER AMP BOARD, COMPLETE (DX20:KR)
105
A-4725-979-A POWER AMP BOARD, COMPLETE (DX20:TH)
105
A-4726-032-A POWER AMP BOARD, COMPLETE (RG30)
106
3-703-244-00
BUSHING (FBS001), CORD
(DX20:E51, EA, SP, KR, AR/RG30)
106
3-703-571-11
BUSHING (S) (4516), CORD (DX20:TH)
106
4-966-266-01
BUSHING (S) (FBS002), CORD (DX20:E2, MX)
107
1-681-444-11
TRANS BOARD (DX20)
107
1-681-442-21
TRANS BOARD (RG30)
0108
1-769-079-21
CORD, POWER (DX20:KR)
0108
1-769-744-81
CORD, POWER (RG30)
0108
1-777-071-81
CORD, POWER (DX20:E51, EA, SP)
0108
1-783-941-22
CORD, POWER (DX20:AR)
0108
1-791-901-11
CORD, POWER (DX20:E2, MX, TH)
0109
1-569-008-21
ADAPTOR, CONVERSION (DX20:E51, EA, SP)
0110
1-770-019-11
ADAPTOR, CONVERSION PLUG 3P (RG30:UK)
0T911
1-437-224-11
TRANSFORMER, POWER (DX20)
0T911
1-437-225-11
TRANSFORMER, POWER (RG30)
#5
#3
#4
#2
#3
#2
109
110
108
108
103
107
106
101
102
104
105
not supplied
T911
not supplied
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
46
HCD-DX20/RG30
7-4. CD MECHANISM DECK SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
266
not
supplied
not
supplied
not supplied
251
252
253
254
255
256
274
275
276
269
257
259
258
258
258
258
260
261
262
263
251
264
271
265
268
279
271
284
267
271
270
270
270
283
283
283
258
M721
282
284
286
287
288
251
4-933-134-11
SCREW (+PTPWH M2.6X8)
252
4-221-679-01
CAM (RELAY)
253
4-231-452-01
TABLE (NEW)
254
4-221-686-01
LEVER (CHANGE)
255
4-221-676-01
TRAY
256
4-933-134-51
SCREW (+PTPWH 2.6X8)
257
1-675-910-14
MOTOR BOARD
258
4-951-620-01
SCREW (2.6X8), +BVTP
259
1-791-983-11
WIRE (FLAT TYPE) (8 CORE)
260
1-675-911-14
ADDRESS SENSOR BOARD
261
1-675-912-14
DRIVER BOARD
262
X-4952-608-1
CAM (U/D) ASSY
263
4-221-681-01
LEVER (EX)
264
4-221-682-01
LEVER (LIFTER)
265
4-221-688-01
PULLEY (B), CHUCKING
266
1-471-035-11
MAGNET ASSY
267
X-4952-019-1
PULLEY (A) ASSY, CHUCKING
268
X-4951-889-1
HOLDER (BU) ASSY
269
4-222-095-01
BELT
270
4-227-045-11
SPRING (INSULATOR), COIL
271
4-985-672-01
SCREW (+PTPWH M2.6), FLOATING
274
4-221-678-01
CAM (CONTROL)
275
4-221-683-01
GEAR (U)
276
4-221-685-01
PULLEY (S)
279
4-227-899-01
SCREW (DIA. 12), FROATING
282
4-222-097-01
SCREW, STEP
283
4-227-549-11
INSULATOR
284
4-231-151-01
STOPPER (BU)
0286
8-820-116-01
OPTICAL PICK-UP KSM-213DCP/Z-NP
287
A-4724-934-A BD BOARD, COMPLETE
288
1-792-024-11
WIRE (FLAT TYPE) (16 CORE)
M721
A-4672-826-A MOTOR ASSY
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
47
HCD-DX20/RG30
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
• SEMICONDUCTORS
In each case, u: µ , for example:
uA...: µ A..., uPA...: µ PA..., uPB...: µ PB...,
uPC...: µ PC..., uPD...: µ PD...
• CAPACITORS
uF : µ F
• COILS
uH : µ H
• Abbreviation
EA
: Saudi Arabia model
SP
: Singapore model
TH
: Thai model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
E51
: Chiri and Peru model
• Due to standardization, replacements in the parts
list may be different from the parts specified in the
diagrams or the components used on the set.
• -XX, -X mean standardized parts, so they may
have some difference from the original one.
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
• RESISTORS
All resistors are in ohms
METAL: Metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F : nonflammable
SECTION 8
ELECTRICAL PARTS LIST
Note:
When indicating parts by reference
number, please include the board
name.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
BD
1-675-911-14
ADDRESS SENSOR BOARD
*******************
< IC >
IC711
8-749-016-76
IC RPI-321
< RESISTOR >
R711
1-247-876-11
CARBON
75K
5%
1/4W
R712
1-249-409-11
CARBON
220
5%
1/4W
F
R713
1-249-429-11
CARBON
10K
5%
1/4W
版权声明
1. 本站所有素材,仅限学习交流,仅展示部分内容,如需查看完整内容,请下载原文件。
2. 会员在本站下载的所有素材,只拥有使用权,著作权归原作者所有。
3. 所有素材,未经合法授权,请勿用于商业用途,会员不得以任何形式发布、传播、复制、转售该素材,否则一律封号处理。
4. 如果素材损害你的权益请联系客服QQ:77594475 处理。