建伍KENWOOD KRC-V791磁带录放机电路图
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© 2001-11 PRINTED IN JAPAN
B51-7860-00 (S) 1922
SERVICE MANUAL
CASSETTE RECEIVER
KRC-V791
KRC-V791
MTL/M.RDM
PROG
/ P T Y
EX
50Wx4
DOLBY B NR
B NR
LOUD
SCAN
B.S/RDM
REP
DISP
NAME.S
TI
VOL ADJ
OFF
AUD
MENU
CLK
ANG
DAB
Front glass
(B10-4155-01)
Knob(1-6)
(K25-1405-02)
Knob(SRC)
(K24-3835-04)
Knob(FM,AM)
(K25-1406-03)
Knob(VOL)
(K25-1404-03)
Panel assy
(A64-2576-02)
Knob(UP,DOWN)
(K25-1408-03)
DC cord
(E30-4942-05)
Remote controller assy
(A70-0886-15)
Antenna adaptor
(T90-0523-05)
Screw set
(N99-1704-05)
Torsion coil spring
(G01-2924-04)
Lever
(D10-4562-04)x2
Mounting hardware assy
(J21-9716-03)
Remote controller assy
(A70-2025-05)
Plastic cabinet assy
(A02-1497-13)
MASK-key
Knob(PROG)
(K25-1407-03)
Front glass
(B10-4222-03)
The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40-1122-05.
Please refer to the service manual for model D40-1122-05(B51-7542-00).
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KRC-V791
2
BLOCK DIAGRAM
ILL
TEL MUTE
ACC
ANT CON
P CON
BACK UP
EXT AMP CONT
FM+B
BUFFER
BUFFER
DECODER
RDS
IC11
IC2
E-VOL
MPX
N.C.
AM+B
SYSTEM u-COM
IC1
RESET
IC15
DRIVER
MATRIX
SW
RESET
LCD
IC1
KEY
REMO
LCD
G/R SW
V-ILL TYPE
DRIVER
SUB MOT
IC13
MAIN MOT
AVR
SUB MOT
AVR
ILL AVR
A 8V
IC3
SW14V
EXT AMP CONT
DIMMER
ACC DET
TEL MUTE
P CON
B.U DET
ANT CON
SW5V
B.U.5V
P-5V
Q21,22
SRM
MECH
POWER IC
THERMO
PROTECT
IC4
IC10
MUTE LOGIC
DRIVER
MUTE
Q1-4
SP OUT
1.8V PRE OUT
ANT.
DET
SRM MECH
MOTHER u-COM
IC2
CONVERTER
V-
DAC
Q50-64
V-ILL
Q39
Q32
Q45
Q25
Q26,27
Q28-31
Q24
Q23
Q36
Q33,34
Q37,38
Q41,42
Q73
Q90
Q88
Q89
IC3
TUNER
CASSETTE MECHA
CD-CHANGER
MD-CHANGER
(X16-154X-XX)
245mV
FM :
AM : 170mV
AUDIO
S-METER
IFC OUT
PLL DATA
PLL CLK
SW5V
FM
AM
TAPE
CHANGER
S METER
QUAL
SDA
SCK
S MUTE
A 8V
MODE 2
SUB-
MOT+B
SUB+
MODE 1
MS MODE
F/R
MUTE
MTL ON/OFF
BOLBY B/C
DOLBY ON/OFF
MS OUT
R REEL
F REEL
MODE 3
TAPE IN
SRM SW2
SRM SW1
RCLK
QUAL
RDATA
NOISE
S METER
IFC
IFC OUT
PLL DATA
PLL CLK
MS OUT
MTL ON/OFF
MODE 2
MODE 3
R REEL
MODE 1
F REEL
MS MODE
F/R
MUTE
DOLBY ON/OFF
DATA C
CH RST
CH MUTE
DOLBY B/C
DATA H
CH CON
CH CLK
REQ H
REQ C
TAPE IN
SRM DET
RESET
SUB MOT2
SUB MOT1
SUB MOT3
CASS/SRM
MOTOR
ILL ON
AM+B
FM+B
SCK
SDA
PRE MUTE
MUTE
BEEP
P MUTE
ACC DET
PHONE
DIMMER
EXT AMP CONT
P CON
P-5V
P ON
ANT CONT
B.U DET
SW5V
SW5V
3
3
13
CH MUTE
CH RST
DATA H
DATA C
CH CON
REQ C
CH CLK
REQ H
BACK UP
8
1200mV
388mV
A 8V
SW5V
PANEL5V
2
B.U.5V
4
2
SUB+
SUB-
2
SUB-
SUB+
MOT+B
A8V
PAN5V
B.U.5V
SW5V
MUTE
AC GND
BACK UP
SW5V
B.U.5V
B.U.5V
CH
FM
1800mV
TAPE
AM
3600mV
855mV
1372mV
E TYPE
SW5V
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KRC-V791
3
COMPONENT DESCRIPTION
G SWITCH UNIT(X16-1542-75)
Component
Purpose • Function
Operation • Conditions • Compatibility
IC1
LCD DRIVER with Key Matrix
IC2
Remote Control IC
IC3
D/A converter for controlling Variable Illumination
Q1
Key Detection SW and Key Scan Start
Q3,4
Key Illumination SW
Lights key illumination in Red when the base of Q3 is "H".
Lights key illumination in Green when the base of Q4 is "H".
Q5
Stable power for display
Constant voltage circuit.
Q6
Remote Control IC Power Supply
Activates remote control when the base of Q6 is "L".
Q50-55
Tr for controlling Variable Illumination
Constant current circuit.
Q62-64
Tr for controlling Variable Illumination
Buffer (change impedance)
G SYNTHESIZER UNIT(X14-6442-74)
Component
Purpose • Function
Operation • Conditions • Compatibility
IC1
System µ-com
IC2
E-VOL, N.C, MPX
IC3
Regulator IC for Audio 8V
IC4
Power IC
IC10
Mute logic IC
IC11
RDS decoder
IC13
Motor driver IC
IC15
Reset IC
Q1~4
PRE OUT MUTE SW
Pre outs are muted when the base goes "H".
Q18~20
Audio 8V AVR
Inverted darlington connection
Q20 is turned ON when Q18's base goes "H".
Q21, 22
B.U 5V AVR
Inverted darlington connection
Q22 is turned ON when Q21's base goes "H".
Q23
SW 5V
ON when the base goes "L".
Q24
B.U detection
ON when the base goes "H" during B.U applied.
Q25
ACC detection
ON when the base goes "H" during ACC applied.
Q28~31
P-CON SW
Q28 is turned ON when Q31's base goes "H".
Q32
Dimmer SW
ON when the base goes "H" while vehicle small lamps turn on.
Q33,34,44
Illumination AVR
ON when Q44's base goes "H".
Q36
SW 14V
ON when base goes "H".
Q37,38
Motor driver supply
Q38 is turned ON when Q37's base goes "H".
Q39
External Amp Control
ON when the base goes "L".
Q41, 42
Cassette mecha main motor supply SW
Q42 is turned ON when Q41's base goes "H".
Q43
Motor driver's voltage SW
Base "H" ··· cassette mecha's submotor
Base "L" ··· mask mecha's motor.
Q45,46
Panel 5V SW
Q45 is turned ON when Q46's base goes "H".
Q71
Pre out mute driver
ON when the base goes "L".
Q72
E-VOL Mute SW
ON when the base goes "H".
Q73
Noise buffer
Q85
IFC out buffer
Q86,88
AM+B SW
Q88 is turned ON when Q86's base goes "H".
Q87,89
FM+B SW
Q89 is turned ON when Q87's base goes "H".
Q90
Composite out buffer
G DOLBY UNIT(X87-3022-72)
Component
Purpose • Function
Operation • Conditions • Compatibility
IC1
Playback EQ, Dolby & Blank Detection
Q1
Constant Switching in Blank Detection
Switches the time constant according to the PLAY or FF/REW mode.
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KRC-V791
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
G UPD703033GC138 (IC1: X14-)
SYSTEM MICROCOMPUTER
Pin
Name
I/O
Purpose
Operation Description
1
AM+B
O
AM power supply terminal.
During AM operation: H.
2
FM+B
O
FM power supply terminal.
During FM operation: H. Last FM with RDS model: H
3
AFS
O
Constant switching when noise is detected.
During FM seek or AM search: L. During reception: H.
4
PLL-DATA
I/O
DATA input/output terminal from/to F/E.
5
PLL-CLK
I/O
CLOCK input/output terminal from/to F/E.
6
Evdd
-
Positive power supply terminal.
7
GND
-
Grounding terminal.
8
N.C
O
No connection.
9
BEEP
O
Beep output terminal.
10
REMO
I
Remote control input terminal.
11
P-ON
O
SW 14 V control terminal.
Power ON: H. Power OFF: L.
12
P-STBY
O
Power IC STBY terminal control.
Power IC OFF: L. Power IC ON: H. During reset: Input.
13
IC2-SDA
I/O
IC2 DATA line.
14
IC2-SCK
O
IC2 CLOCK line.
15
P-MUTE
O
Power IC muting terminal.
Power OFF: L. All OFF: L. During TEL muting: L.
16
PRE-MUTE
O
Pre-Out muting terminal.
During momentary power down: L.
17
D/A-SDA/DIM-CON
O
D/A data line (V-LED).
18
TEST
-
Test pin.
19
P-CON
O
Power control terminal.
Power ON: H. Power OFF: L.
20
ANT-CON
O
Antenna control terminal.
TUNER, TI ON: H
21
MUTE
O
Muting terminal.
ON: Open. OFF: L.
The time constant is 0.48 ms with all models.
22
N.C
O
No connection.
23
ACC-DET
I
Acc detection terminal.
Acc detected: L. Acc not detected: H.
24
DIMMER
I
Small detection terminal.
ON: L. OFF: H.
25
SW-5V
O
5 V power supply terminal.
ON: L. OFF: H.
26
CH-MUTE
I
Muting request from CH.
ON: H. OFF: L.
27
CH-CON
O
CH control output.
ON: H. OFF: L.
28
CH-REQH
O
Request output to CH.
Requested: L.
29
CH-RST
O
Reset output to CH.
Normal: L. When the system is reset, turns H then
L in 400 ms after recovery from reset.
30
EXT-AMP-CONT
O
External amplifier control terminal (In 200 ms).
L 40 ms: Bass boost OFF. L 70 ms: Bass boost LOW.
L 100 ms: Bass boost HIGH.
31
RESET
I
Reset input terminal
Normal: H. Reset: L.
32
XT1
I
Sub-clock connection terminal.
The clock count is active even when Power is OFF.
33
XT2
-
Sub-clock connection terminal.
34
REGC
-
Output terminal for the capacitor in the regulator
in µ-COM.
35
X2
-
Main clock connection terminal.
Power ON: Oscillated.
Power OFF or momentary power down: Oscillation stopped.
36
X1
I
Main clock connection terminal.
37
Vss
-
Grounding terminal.
38
Vdd
-
Positive power supply terminal.
39
CLKOUT
O
Internal System Clock output.
40
N.C
O
No connection.
41
MOTOR
O
Cassette mechanism main motor output terminal. When the motor is running: H. When it is stopped: L.
42
MODE3
I
Cassette mechanism mode detection terminal.
43
MODE1
I
Cassette mechanism mode detection terminal.
44
MODE2
I
Cassette mechanism mode detection terminal.
45
N.C
O
Outputs Low. No connection.
46
SUB1
O
Sub-motor output terminal (1).
47
SUB2
O
Sub-motor output terminal (2).
48
SUB3
O
Sub-motor output terminal (3).
49
CAS/SRM
O
Cassette mechanism/SRM mechanism
Cassette mechanism: H.
voltage switching terminal.
SRM mechanism: L.
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KRC-V791
5
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin
Name
I/O
Purpose
Operation Description
50
N.C
O
Outputs Low.
No connection.
51
N.C
O
Outputs Low.
No connection.
52
ILL-ON
O
FL +B output terminal.
ON: H, OFF: L
53
PAN-5V
O
Panel 5 V control terminal.
Panel detected: H Panel not detected: L
54
N.C
O
Outputs Low.
No connection.
55
BVdd
-
Positive power supply terminal.
56
BVss
-
Grounding terminal.
57
TYPE1
I
Destination type switching port.
58
TYPE0
I
Destination type switching port.
59
N.C
O
Outputs Low. No connection.
60
N.C
O
Outputs Low. No connection.
61
ST TYPE1
I
IC2 destination type terminal.
Default: L.
62
ST TYPE0
I
IC2 destination type terminal.
Default: L.
63
SRM-SW1
I
Panel position detection switch 1.
64
D/A-SDA
O
D/A clock line (V-LED).
Panel detached: L.
Momentary power down: L.
65
L CE
I/O
CE terminal for LCD driver.
66
SRM-SW3
I
Panel position detection switch 3.
67
SRM-SW2
I
Panel position detection switch 2.
68
FWD/REV
O
TAPE EQ input switching terminal.
FWD: L. REW: H.
During TAPE PLAY: H.
69
MS-CONT
I/O
Constant switching terminal in case of blank
During TAPE FF/REW or other than TAPE input: L.
detection.
Cassette mechanism detected: L.
Cassette mechanism not detected: H.
70
AVCONT
O
AD reference voltage control output.
Same timing as P-ON. H during operation.
71
Avdd
-
Positive power supply terminal.
72
Avss
-
Grounding terminal.
73
Avref
I
Reference voltage supply terminal for A/D converter.
74
PHONE
I
PHONE detection terminal.
TEL MUTE: No more than 1 V. NAVI MUTE:2.5 V or more.
75
R-REEL
I
Cassette mechanism reel pulse input (REV).
Vth = 2.5 V.
76
F-REEL
I
Cassette mechanism reel pulse input (FWD).
Vth = 2.5 V.
77
N.C
I
No connection.
Connected to GND.
78
SRM-DET
I
SRM mechanism detection.
SRM mechanism detected: L.
79
NOISE
I
FM noise detection terminal.
Model without RDS: Connected to GND.
80
S-METER
I
Signal meter detection terminal.
81
R-DATA
I
RDS decoder DATA input terminal.
Model without RDS and RBDS: Connected to GND.
82
R-QUAL
I
RDS decoder QUAL input terminal.
Model without RDS and RBDS: Connected to GND.
83
IFC-OUT
I
F/E IFC OUT input terminal.
Station detected: L.
84
MUSIC
I
Music blank detection input.
Music signal detected: L. Music signal not detected: H.
85
PACK-DET
I
Cassette mechanism pack detection terminal.
Cassette pack detected: L. Cassette pack not detected: H.
86
DOLBY
O
Dolby ON/OFF switching.
ON: H. OFF: L.
87
R-CLK
I
RDS decoder CLK input terminal.
Model without RDS and RBDS: Connected to GND.
88
CH-REQC
I
Request input from CH.
ON: L.
89
KEY REQ
I
Communication request from LCD driver.
90
N.C
I
No connection.
Connected to GND.
91
EQ-MUTE
O
EQ muting switching.
During TAPE PLAY: L. During TAPE FF/REW: H.
Other than TAPE input: H.
92
MTL
O
NORMAL/METAL switching.
NORMAL: H. METAL: L.
93
BU-DET
I
Momentary power down detection terminal.
Back-Up detected: L
Back-Up not detected (momentary power down): H.
94
CH-DATAC
I
DATA input terminal from CH.
95
CH-DATAH
O
DATA output terminal to CH.
96
CH-CLK
I/O
CLOCK input/output terminal from/to CH.
97
L-DATA L
I
DATA line from LCD driver.
98
L-DATA S
I/O
DATA line to LCD driver.
99
L-CLK
I/O
CLK line to LCD driver.
Panel detected: L
100
N.C
O
Outputs Low. No connection.
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KRC-V791
6
TEST MODE
1. How to enter the test mode
• While holding the FM and Preset 6 keys, reset the unit.
2. How to exit from the test mode
• While holding the Preset 6 key, reset the unit.
• (Note) The test mode cannot terminated by Acc OFF,
power OFF or momentary power down.
3. Initial status in the test mode
• Sources: All OFF.
• Display: All segments are lit.
• Volume: -10 dB (displayed as 30)
• Loudness: OFF
• CRSC: OFF regardless of the presence of switching
function.
• SYSTEM Q: Flat.
• Blank Skip: OFF. (C/R model)
• LED: White for no scanning. (VLCD model)
4. Special display in Tuner mode
• When any of the following messages is displayed in Tuner
mode, the front end may be abnormal.
• "TNE 2P NG": The EEPROM is set to the default (unsta-
ble values) because the F/E was shipped without passing
through the adjustment process, etc.
• "TNCON NG": Communication with the F/E is not possible.
5. Forced switching of K3I
• Each press of the Preset 6 key in Tuner mode should
switch K3I from AUTO ¡ Forced Wide ¡ Forced Middle
¡ Forced Narrow ¡ AUTO. The initial status is AUTO
and the display shows these modes as follows.
• AUTO : FMA
• Forced Wide : FMW
• Forced Middle : FMM
• Forced Narrow : FMN
6. Test mode specifications of the CD receiver
• Forced ejection is inhibited in the reset start operation.
When the unit is reset while a CD is loaded in it, the CD
is not recognized by resetting.
• Each press of the Track Up key jumps to the following
track numbers.
No. 9 ¡ No. 15 ¡ No. 10 ¡ No. 11 ¡ No. 12 ¡ No. 13 ¡
No. 14 ¡ No. 9 (The cycle restarts from here.)
• Each press of the Track Down key jumps to the previous
track number to the track being played.
M&T-SRT Model Test Mode
7. Audio-related specifications
• A short press of the Q key initiates the audio adjustment
mode.
• Pressing the ∗ key on the remote initiates the audio
adjustment mode.
• Continuous holding of a remote control key is inhibited.
• Bass, Middle and Treble are adjusted in 3 steps of Min/
Center/Max with the Track Up/Down keys.
• Balance is adjusted in 3 steps of Left Max/Center/Right
Max with the Track Up/Down keys.
• Fader is adjusted in 3 steps of Rear Max/Center/Front
Max with the Track Up/Down keys.
• HPF is adjusted in 2 steps of Through/220 Hz with the
Track Up/Down keys.
• LPF is adjusted in 2 steps of Through/120 Hz with the
Track Up/Down keys.
• Bass f, Bass Q, Bass EXT, Middle f, Middle Q and Treble
f are not dealt with by the audio adjustment.
8. Menu-related specifications
• A short press of the CLK key initiates the Menu mode.
• Pressing the DNPP/SBF key on the remote initiates the
Menu mode.
• Continuous holding of a remote control key is inhibited.
• Calendar adjustment, calendar display switching and cal-
endar memo are eliminated from the targets of continu-
ous key holding. (FL model).
• In the color adjustment mode, pressing the Preset 1 key
sets Red, 2 sets Blue, 3 sets Green and 4 sets Green.
(VLCD model)
• Contrast is adjusted in 3 steps of 0/5/10 and the default
is 5. (VLCD/LCD model)
• Brightness is adjusted in 3 steps of 0/5/10 and the default
is 10. (Normal FL model)
9. Backup current measurement
• When the unit is reset while Acc is OFF (i.e. by turning
Back-Up ON), the MUTE terminal goes OFF in 2 sec-
onds in place of 15 second. (The panel, CD mechanism
and TAPE mechanism are not activated at this time.)
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KRC-V791
7
TEST MODE
10. Special display when the display is All ON
Pressing the Preset keys while the power is All OFF
displays the following information.
Version display
(8 digits, Month/Day/Hour/Minute)
PRESET1
(Display)
SYS xxxxxxxx System microcomputer
PAN xxxxxxxx Panel microcomputer
PRESET2
Serial No. display (8 digits)
(Note) CD/R K type eXcelon model
(Display) SNo. xxxxxxxx
Short press: View power ON time.
(The All OFF period is not counted.)
PRESET3
Long press/hold: Clear power ON time.
(Display)
PonTim xxxxx
Max. 65535 (hours)
Short press: Display TAPE/CD/
MD operation time.
PRESET4
Long press/hold: Clear TAPE/CD/MD operation
time. (Display)
CDTime xxxxx (CD/R)
TapTim xxxxx (C/R)
Max. 65535 (hours)
Short press: Display TAPE/CD/
MD ejection count.
PRESET5
Long press/hold: Clear TAPE/CD/MD ejection
count. (Display)
EjeTim xxxxx
Max. 65535 (times)
Short press: Display Panel open/close count.
PRESET6
Long press/hold: Clear Panel open/close count.
(Display)
PnCnt xxxxx
Max. 655350 (times)
11. Other specifications
• Automatic panel closing when a tape/CD is inserted is
inhibited. (M&T model)
• Panel operation by turning power OFF/ON is inhibited.
(M&T model)
• Pressing the ATT key opens or closes the panel. (M&T
model)
• Messages such as "CODE OFF" are not displayed when
power is turned ON.
• Pressing the TI (AUTO) key during changer operation
turns 2zone ON. 2zone can be turned OFF by pressing
the TI (AUTO) key again. The P/S dot lights while 2 zone
is ON.
• Pressing and holding the CLK key for a second in the All
OFF status the Mask Key (security) write mode.
I Security-related information
• Forced Power ON mode (All models)
Even when the security (Mask key) is approved, reset-
ting the unit while holding the ATT and Preset 4 keys
makes it possible to turn the power ON for 30 minutes.
After 30 minutes have elapsed, it is not possible to return
to the previous condition unless the unit is reset again.
• Method of registration of the security code after
EEPROM (Tuner Unit Ass'y) replacement (Code
security model)
1.Enter the test mode. (See 1 How to enter the test mode)
2.Press the CLK key to enter the security registration
mode.
3.Enter the code using the Preset 1/2/3/4 keys.
Example: To enter "3510"
• Press the Preset 1 key 4 times.
• Press the Preset 2 key 6 times.
• Press the Preset 3 key twice.
• Press the Preset 4 key once.
4.Press and hold the DISP key for 3 seconds until
"APPROVED" is displayed.
5.Exit from the test mode. (See 2 How to exit from the
test mode)
(Note) All Clear is not applicable to the security code
of this model.
• Simplified method of clearing the security code
(K Type only)
1.While the code entry is requested, press and hold the
VOL UP key for 3 seconds while holding the DISP key
pressed.(This should turn ---- off.)
2.Enter "KCAR" from the remote. (Same way as the 00
model)
Press the 5 key on the remote twice, then press the
Track Up key. (This enters "K")
Press the 2 key on the remote 3 times, then press the
Track Up key. (This enters "C")
Press the 2 key on the remote once, then press the
Track Up key. (This enters "A")
Press the 7 key on the remote twice, then press the
Track Up key. (This enters "R")
3.The security code is cleared and the unit enters the All
OFF mode.
4.If you commit a mistake in the code entry, the unit enters
the code request mode again.
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KRC-V791
8
TEST MODE
• Method of writing the Mask key while the EEPROM is
in the initial status
1.Enter the test mode. (See 1 How to enter the test mode)
2.Press the CLK key to enter the Mask key registration
mode. "TRANSMIT1" should be displayed now. The
display at this time should show "< >" in place of "[ ]".
3.Point the Mask key remote toward the light sensor, and
press and hold its key for more than 0.5 second.
4.When "TRANSMIT2" is displayed, press and hold the
key on the Mask key remote for more than 0.5 second
again. The first and second counter codes are not com-
pared at this time.
5.When "APPROVED" is displayed, the write operation
is complete. Now the demonstration mode is initiated
and the test mode is terminated.
(Note) In the same way as previous models, if 30 min-
utes have elapsed with no code written, an error occurs
and the power is turned OFF.
• Method of initializing the Mask key (How to reset the
unit from the Mask key approved condition to the
factory condition)
1.Enter the test mode. (See 1 How to enter the test mode)
2."TRANSMIT1" is displayed and the Mask key entry
request mode is initiated.
The display at this time should show "∗∗" in place of "[ ]".
3.Press and hold the key on the Master key remote for
more than 3 seconds.
4.When "TRANSMIT2" is displayed, press and hold the
key on the Master key remote for more than 3 seconds.
5.When "APPROVED" is displayed, the Mask key is
cleared, the demonstration mode is initiated, the test
mode is terminated and the unit returns to the factory
condition.
• Method of clearing all Mask key-related data
1.Enter the test mode. (See 1 How to enter the test mode)
2.Press the CLK key to enter the Mask key registration
mode. "TRANSMIT1" should be displayed now.
3.Point the Master key remote toward the light sensor,
and press and hold its key for more than 3 seconds
(until the level display shows the full condition).
4.When "TRANSMIT2" is displayed, hold the key on the
Mask key remote for more than 3 seconds again.
If "TRANSMIT1" is displayed in place of "TRANSMIT2",
restart the procedure from step 3.
5.When "APPROVED" is displayed, all security data is
cleared and the unit returns to the condition before Mask
key writing with the EEPROM in the initial status.
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KRC-V791
9
I New Variable Illumination Circuit
• Theory
In the following circuit, uses D/A converter which could
adjust voltages with 256 grades within 0-5V, and control
the current flowing to R2, R4 and R6 by changing its
output power, so as to adjust the brightness of different
colors (red, green, blue).
100k
4.7µ
4.7µ
0.01µ
1µ
4.7µ
100k
R1
R2
VCC
Red
Green
Blue
M62333 FP
B30-1599
DTC143TUA
2SC4081
R4
R6
R3
R5
X4
0~5V
Eliminates Noise
D/A converter
IC3
Eliminates ripple
Eliminates Noise
Constant current circuit
4.7uF is necessary for gradual change of the colors.
100KΩ for decreasing the capacity of condenser.
PAN 5V
100k
100k
100k
100k
5V
0.01µ
ILL+B
9.7~10.24V
Buffer Amp.
CIRCUIT DESCRIPTION
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KRC-V791
10
ADJUSTMENT
No
ITEM
INPUT SETTINGS
OUTPUT
SETTINGS
TUNER
(RECEIVER)
SETTINGS
ALIGNMENT
POINTS
ALIGN FOR
FIG.
CASSETTE DECK SECTION
[1]
AZIMUTH
TCC-153
10kHz
Connect an
AC voltmeter
to SP OUT
TAPE PLAY
Head Azimuth
Screw
Adjust the azimuth for each
Lch/Rch or FWD/RVS
becomes maximum
[2]
PLAY BACK
LEVEL
TCC-130
Connect an
AC voltmeter
to CN2
TAPE PLAY
VR1 (L)
VR2 (R)
(X87)
387.5mV (-6dBm)
Set the controls and switches as follows.
BALANCE :center position BASS :center position LOUD :OFF DOLBY NR :OFF
FADER :center position TREBLE :center position
ATTENTION
tongue
Turn 2 times.
End of Roller ass'y
FPC
Assembly of FPC(Flexible PC board) onto Roller ass'y
Turn Roller ass'y by 2 times.
Hook the end of Roller ass'y to the tongue.
Insert the FPC into the slit of Roller ass'y then release the end of Roller ass'y and the tongue.
I Adjustment Points
• Adjusts Dolby Level
Reactivates TCC-130 (Dolby Level Tape), and adjusts VR1 so that the test pin output of Lch becomes -6dBm (387.5 mV).
Adjusts VR2 so that the test pin output of Rch also becomes -6dBm.
VR2
VR1
Lch
GND
Rch
CN2
C MECHA
EQ PCB
(TEST
PIN)
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12
I
H
G
E
F
D
C
A
B
1
2
3
4
5
6
7
PC BOARD (Component Side View)
.
O
N
.f
e
R
s
s
e
r
d
d
A
C
I
Q
2
B
2
.
O
N
.f
e
R
s
s
e
r
d
d
A
C
I
Q
1
F
4
2
G
3
4
F
2
1
1
G
5
3
1
E
5
1
G
2
2
G
2
3
G
2
4
G
2
0
2
D
3
2
2
D
4
4
2
E
3
5
2
E
3
6
2
D
4
8
2
E
4
2
3
D
3
4
3
D
4
6
3
D
4
8
3
E
4
9
3
E
4
2
4
D
4
4
4
D
4
6
4
E
5
1
7
G
2
3
7
H
4
5
8
G
4
6
8
G
3
7
8
G
3
0
9
H
4
SWITCH UNIT
SWITCH UNIT
(X16-1542-75)
SYNTHESIZER UNIT
(X14-6442-74)
Refer to the schematic diagram for the values of resistors and capacitors.
KI1
KI4
KS5
1
KI2
KS4
KS2
KI5
KS3
KS1
KI3
3
2
4
68
1
18
19
RST
ATT
1
2
3
4
5
6
TI
DISP
CLK
FM
AM
SRC
AUD
X16-1542-75 (J74-1306-12)
ED1
D24
D23
IC2
D10
D9
D12
D11
D6
D5
D8
D7
D13
D20
D22
D21
D18
D15
D14
D17
D16
D3
D1
D2
W104
W107
CP7
R170
R171
C174
R136
C109
R134
R124
R107
R115
R194
C41
R97
R98
R104
R301
R73
R71
R101
R165
R166
R72
R113
R117
R357
R102
R76
R77
R78
R111
R75
C38
R312
C89
R344
R302
R303
R339
R327
R103
R328
R308
R99
R309
R325
C95
C96
R321
C93
R116
R323
R326
R324
R322
R305
R304
R310
R193
C308
R347
C224
R338
R358
R359
C191
R330
R335
R172
C256
CP10
CP2
CP3
CP4
CP1
R333
R12
R14
R13
R11
C88
R169
C135
R162
C136
C137
R161
C157
C156
C138
R219
R220
R131
R192
C131
R340
R195
X1
R114
R367
CP9
R196
CP8
C307
C305
R348
R286
R311
E
B
B E
B E
B E
B E
B E
B
E
B E
B E
B E
B E
B E
B
E
B
E
B E
B E
A8V
X2
ILL+B
20MHz
TEST
IC2D
IC2C
SW5V
CLK
NOISE
IFC
PANEL5V
5V
SDA
SCL
PMUTE
SVR
STBY
4.332MHz
NOISE
AUDIO
RESET
MCD/DATAS
SCD/DATAL
32KHz
C81
W7
W10
L6
L5
R110
R100
C94
C111
C84
L3
C133
C114
C90
C33
C32
C31
C34
W4
W9
W17
W16
W21
W14
W18
W13
W15
W3
W8
W6
W20
C29
W1
C1
W2
C3
C2
W11
W12
W5
R123
C27
C30
C28
C169
W19
C112
R125
R108
L4
L7
X3
L12
C190
C226
C222
C85
C132
C82
C87
E
L1
C92
C154
L8
R118
C253
L9
C252
SMET
1
24
7
6
2
1
13
1
1
2
25
24
1
9
16
8
2
1
5
7
6
10
9
3
4
8
12
11
13
B
B
E
B
E
B
E
B
E
E
B
1
2
12
11
1
10
1
2
13
12
1
28
15
14
1
25
26
50
51
75
76
100
1
8
9
16
E
B
E
B
E
E
IC2
Q73
IC11
D52
D21
Q3
Q1
Q4
Q46
Q39
Q86
Q87
Q24
Q25
Q34
Q32
Q85
IC1
D6
D3
Q2
D5
Q90
Q71
Q36
Q44
D16
D14
D12
Q26
Q28
P1
D37
D36
D33
D15
D17
D13
D18
D11
D39
D40
J3
D38
D43
CN2
Q42
Q38
D31
WH1
IC13
CN3
J1
J2
Q20
Q22
CN1
IC4
D41
CN4
D53
D42
D44
D46
D45
X14-6442-74 (J74-1140-12/J74-1397-02)
SYNTHESIZER UNIT
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
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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
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TEL 13942296513 QQ 376315150 892498299
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J
K
L
M
N
O
P
R
Q
1
2
3
4
5
6
7
13
14
Refer to the schematic diagram for the values of resistors and capacitors.
SWITCH UNIT
PC BOARD (Foil Side View)
B
E
B E
E B
E B
B
E
B
E
B E
E
B
B
E
B E
B
B
E
E
E
B
B
E
B
E
B
E
W102
W101
R377
R126
R93
R92
R1
R2
R3
R87
R288
C99
C98
R190
R120
R121
R218
R217
R122
R106
R109
R94
R119
C83
C86
C91
W103
R345
R346
C251
R191
R361
C306
R373
R371
R365
R341
R366
R337
R336
R370
R375
R374
R372
R331
R81
C304
R332
C301
C302
C303
R287
R289
R80
R96
R95
R112
R307
R82
R364
R306
L10
R83
R135
C42
W105
R90
R89
R74
C108
C80
C39
R315
R352
C40
TH1
C36
C37
R10
C35
R24
R34
R167
R198
R376
C225
C221
C223
R221
C5
C6
R199
R313
C97
R168
C172
W106
C173
R47
R37
R8
R9
R7
R23
R33
C59
R38
R48
C60
G
O
I
1
7
14
8
4
3
1
2
D51
Q33
Q18
Q19
Q37
Q43
Q45
Q41
Q27
D32
Q31
Q30
Q29
D81
D82
IC15
IC10
Q21
D1
IC3
D22
Q23
D50
Q72
Q88
Q89
D2
X14-6442-74 (J74-1140-12/J74-1397-02)
SYNTHESIZER UNIT
SYNTHESIZER UNIT
(X14-6442-74)
.
O
N
.f
e
R
s
s
e
r
d
d
A
C
I
Q
1
Q
5
1
Q
6
3
Q
3
4
Q
3
5
Q
3
6
Q
2
7
Q
3
.
O
N
.f
e
R
s
s
e
r
d
d
A
C
I
Q
3
O
3
0
1
M
4
5
1
M
4
8
1
O
3
9
1
O
3
1
2
O
3
3
2
N
3
7
2
N
4
9
2
N
4
0
3
N
4
1
3
N
4
3
3
O
5
7
3
N
5
1
4
O
4
3
4
O
5
5
4
N
5
2
7
L
3
8
8
L
3
9
8
L
3
SWITCH UNIT
(X16-1542-75)
R23
R22
R24
R21
R18
R17
R20
R19
C6
C7
R13
R14
R12
R11
C1
C2
R15
R16
R2
R1
R3
R5
R4
R9
R10
R8
R6
R7
C3
C12
R29
R28
C14
C13
C9
C5
C4
R27
C11
CP1
CP2
CP3
KI3
KI5
KS1
KS2
DGND
KS4
KI4
KI1
VDD
KS3
KI2
DIMMER
RESET
S.GND
L-CE
L-DATAS
L-DATAL
ILL+B
KS5
REMO
CLK L-
ILLUM G
E
B
E
B
B E
B
E
B
E
B E
1
13
1
25
26
50
51
75
76
100
Q4
Q7
Q3
Q6
Q5
Q1
IC1
S28
D26
J1
X16-1542-75 (J74-1306-12)
w w w
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c o m
Q Q
3 7 6 3 1 5 1 5 0
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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
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TEL 13942296513 QQ 376315150 892498299
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15
S
T
U
W
V
1
2
3
4
5
6
7
DOLBY R
DOLBY
DOLBY L
R
L
C15
VR1
C6
W2
W5
W3
W4
W7
W9
W1
W8
W6
VR2
C16
C5
1
3
1
2
4
5
13
1
CN3
CN2
CN4
S1
X87-3022-72 (J74-1148-12)
C4
W14
R4
C17
C24
31
30
R12
C26
C8
R14
C12
C14
R7
C22
W12
R6
20
21
R8
C23
R11
10
11
1
40
C13
R10
C21
C20
R9
C7
R5
C25
C11
E
B
R13
R1
C1
W11
R2
C2
R3
C3
IC1
Q1
X87-3022-72(J74-1148-12)
PC BOARD
Component Side View
Refer to the schematic diagram for the values of resistors and capacitors.
DOLBY UNIT
Foil Side View
DOLBY UNIT
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TEL 13942296513
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2
9
8
0
5
1
5
1
3
6
7
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
A
C
E
B
D
1
3
5
7
2
4
6
IC1 :
Q1 : DTC124EK or
(X87-3022-7X)
(X87-3022-7X)
CXA2560Q
KRC103S
TAKEUP
REEL
2
1
SUB
CM2
MODE SW
SUPPLY
TAKE UP
FWD
REV
SUPPLY
REEL
M
M
CM1
MAIN
PLAY
Lch
Rch
Rch
L
R
Lch
CN3
CN2
Q1
IN SW
S1
CN4
PACK
EQ AMP
22K
22K
DPSS
PLAY
FF,REW
4.10V
4.06V
4.06V
4.06V
0V
4.06V
0V
4.03V
4.10V
4.04V
8.11V
4.06V
4.02V
4.12V
DOLBY
OFF
B,C :
: 0.4V
4.10V
DPSS
PLAY
DOLBY
DOLBY
4.04V
B
C
OFF
4.06V
4.06V
4.02V
ON
1.23V
: 0V
: 4.73V
: 0V
: 4.43V
4.04V
4.06V
4.16V
0V
PLAY
FWD
REV
OFF,B :
C :
0.4V
DOLBY
: 0V
ON
: 2.9V
: 0V
0V
: 4.94V
ON : 4.77V
: 0V
OFF
: 4.84V
MUTE
OFF
: 4.05V
METAL
: 0V
: 4.84V
: 0V
(X87-3022-7X)
(E30-4942) : KRC-791Y
DC CORD
(E30-4956) : KRC-V791/791
IC1
TAPE MECHA (D40-1146)
5
7
1
3
8
RL+
7
RL-
3
5
1
RR-
FL+
FL-
FR-
FR+
RR+
6
4
2
B
PNK/BLK
BLU/WHT
8
GND
6
4
2
A
BU
ORG/WHT
1
2
YEL
EXT. CONT.
TEL MUTE
BRN
3
4
RED
BLK
BLU/WHT
ANT. CON
GRN/BLK
RR+
5
VIOL
VIOL/BLK
RR-
RL-
6
7
RL+
8
GRN
WHT/BLK
GRY
FR+
GRY/BLK
FR-
FL-
WHT
FL+
9
10
11
12
16
13
14
15
ACC
KRC-791
NAME
MODEL
No.
UNIT
2-71
2-72
KRC-791Y
KRC-V791
A
C
LINE OUT2
TAPE IN2
OUT REF2
PB OUT2
19
32
K
A
K
C
R11
C7
C13 0.1
0.033
+5V
E
C
NC
12
7
MODE2
3
+5V
E
9
F REEL
ANODE
R REEL
10
11
PON 5V
8
2
1
MOED1
6
MOT-G
MODE3
4
5
+8V
10K
VR1
4.7
R13
1K
0.01
+
47u10
C6
C11
0.1
4700P
C17 0.47
C20
1
SUB+
SUB-
MOT+B
2
3
1
W11
R5
C15 33u10
+
180
R3 24K
C3 470P
1
2
3
4
C5
470P
R2
R1 24K
C1 470P
C2
+
24K
33u10
2
3
4
14
MS OUT
PB REF
8
LINE OUT1
TAPE IN1
OUT REF1
PB OUT1
40
2
1
PB FB1
PBTC1
VCC
5
4
3
7
6
NC
PB GND
PB R IN1
39
PB F IN1
37
38
TCL1
TCH1
10
9
MSLPF
R8 220K
R10 33K
R9 2.7K
C24
C23
0.47
13
12
11
G1FB
G2FB
MSTC
36
VCT
35
33
PB GND
PB F IN2
34
PB R IN2
17
16
15
14
NR MODE
MUTE SW
NR SW
15
17
16
18
TAPE SW
DR SW
18
19
5
R4
470P
5
C4
24K
33u50
C16
+
R6
180
0.01
1K
C14 0.1
23
PBTC2
PB FB2
31
29
30
DIREF
GND
26
27
28
24
25
0.1
C12
R7 20K
20
MS SW
TCL2
TCH2
MS
MODE
21
22
20
R12
C8
VR2
10K
+8V
R14 10K
+B 8V
4
3
R
GND
L
2
1
OUT R
A GND
OUT L
1
2
3
DOLBY
MS OUT
B/C
DOLBY
ON/OFF
15
6
14
5
16
7
TAPE IN
F/R
MUTE
MTL
MS MODE
18
17
8
9
19
20
10
11
12
D GND
13
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
F
G
H
J
I
K
L
N
M
D33
SW5V
Q20
B.U.5V AVR
Q21
Q22
Q23
D38
D39
D40
Q28
CN4
Q41
Q42
Q31
P-CON SW
MUTE
Q29
Q30
D52
POWER IC
Q2
Q1
J1
Q3
Q4
J3
D31
D51
J2
Rch
Lch
Lch
Rch
D6
D5
GND
GND
D32
Q32
D43
Q39
D44
AUDIO 8V AVR
CH CN
DC IN
Q19
D45 D46
Q43
J3 TOP VIEW
Q73
Q72
Q18
D53
Q34
Q44
Q33
D41
E-VOL. N.C.,MPX
MOTOR
DRIVER
DIMMER
SW
EXTERNAL
CONTROL
AMP
ILLUMINATION
AVR
E-VOL
SW
MUTE
MOTOR
VOLTAGE
DRIVER'S
SW
MAIN MOTOR
SUPPLY SW
MECHA
CASSETTE
D22
D21
D3
D1
D18
D16
D12
D14
D11
D13
D15
D17
PRE
OUT
MUTE
PRE
MUTE
OUT
D37
Q25
DETECTION
ACC.
Q24
D36
B. U
DETECTION
SUPPLY
MOTOR
DRIVER
Q38
D42
Q37
Q36
SW 14V
2
NOISE
BUFFER
PRE OUT
FRONT
REAR
PRE OUT
DRIVER
MUTE
Q71
D50
47K
10K
22K
22K
47K
47K
2.2K
47K
10K
47K
47K
10K
22K
22K
22K
22K
22K
22K
4.7K
4.7K
4.7K
4.7K
22K
22K
7.5V
7.5V
14.4V
7.5V
7.5V
8.9V
1.37V
1.37V
7.5V
14.4V
7.5V
0V-4.1V
7.5V
5.0V
0V
5V
0V
5V
0V
5V
5V
0V
0V
5V
0V
5V
0V
5V
13.7V
1.26V
1
3
2
0V
7.5V
7.5V
0V or 5.0V
13.5V
CAS:3.9V
SRM:7.5V
13.5V
0V
3.6V
4.15V
4.15V
4.15V
4.15V
4.15V
4.15V
0V
5V
4.15V
4.15V
0-4.5V
0-4.5V
3.0-4.9V
0.3-3.8V
5V
0V
0V
8.3V
4.15V
4.15V
4.15V
4.15V
0v
0V
0V
0V
5V
1.25V
1.45V
3.9V
3.9V
0.6V
-
0.6V
-
0.6V-
7.5V
3.9V
0V
5V
0V
0V
0V
0V
0V
IC3
IC10
IC4
(X14-6442-7X)
IC13
IC2
R109
22K
VIN VREF
R95
R96
C83 0.01
10u10
100u25
C85 100u6.3
+
C82
+
C84
22K
R93
100
R94
+
GND
4.3K
R89
220u10
C87
220
R92
15K
R90
1
C86
24K
R87
2
1K
R108
1/2W
4.7K
3.3u25
C90
R104 4.7K
SUB +
1
11
Q28-31
1/2W
1
2
3
4
0.068
C92
+
0.1u50
R110 1K
+
C91
14
13
12
5
6
7
10
9
8
12
0.47u50
C111
+
FL
RL
FL
3.9K
R136
FR
RR
TH1
10u16
C29
+
360
R9
13
FR+
RR+
FR-
RR-
C31
0.22u50
C33
0.22u50
+
22K
R13
22K
R11
22u16
C112
8
TAB
GND
RR-
STBY
RR+
VCC
FR-
1
2
3
5
6
7
4
FRIN
RRIN
FR+
SVR
GND
9
10
11
12
C34
0.22u50
0.22u50
1.5K
R134
C32
22K
R14
22K
R12
R23 22K
R24 22K
FL+
FLIN
RLIN
AUX IN
RL+
GND
RL-
VCC
GND
14
15
16
17
18
19
20
21
CD
MUTE
FL-
GND
22
23
24
25
RR+
FR+
RR-
FR-
RL-
FL+
FL-
RL+
2
3
10
RL-
FL+
RL+
FL-
1
2
9
FR-
RR-
FR+
RR+
ACC
TEL MUTE
P-CON
EXT. AMP CONT
ANT
GND
DIMMER
6
7
3
4
5
13
11
12
14
15
8
BUP
16
FR
10u16
C30
+
360
R10
R37 22K
R38 22K
4
3300u16
+
RL+
RL-
FL-
FL+
1u50
+
C114
15
1
9
5
4
3
6
2
11
10
12
13
8
7
REQ H
D GND
B.U.
CH CON
MUTE
A GND
RST
Rch
REQC
DATA C
DATA H
Lch
CH CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
REQ H
B.U
MUTE
Rch
A GND
REQ C
RST
DATA C
CH CLK
Lch
DATA H
D GND
CH CON
R8
360
RR
C28
10u16
+
360
RL
10u16
+
R7
C27
0.1
C60
0.1
C59
3
21
10
12
12
10
10K
R111
R112
100K
0.01
C93
R117
1K
560
R114
30
24
C94 1u50
+
1K
R118
10K
R119
+
1/2W
R113
10K
0.01
C95
VDD
VSS
22K
2.2K
C80
2200P
C81
R135
100
L12
SUB -
2
3
+B
MOT
4
MOT
- G
5
3
MODE
6
MODE
1
5V
PON
2
MODE
R
REEL
ANODE
F
REEL
8
7
11
10
9
1 GND
2
OUT 2
4
3
IN 1
OUT 3
7
8
6
5
VCC 1
VREF
IN 3
IN 2
10
9
OUT 1
VCC 2
1.2K
R120
2.2
R121
2.2
R122
0.22
C99
0.22
C98
1W
1W
3
10
49
48
47
46
76
75
R190 120
41
9
9
6
11
4
7
3
10
5
8
12
1
2
13
180
R34
180
R33
180
R48
180
R47
3
2
1
CREF
VREF
27
O FL
NC
25
26
NC
28
4
CAS L
CAS R
O FR
24
CD L
VDD
8
NC
GND
21
CD R
5
7
6
CD GND
O RL
O RR
22
23
S MUTE
MPX
12
LEVEL
QUAL
17
AFS
10
11 AM/IF
SDA
SCL
19
18
15
14
MP OUT
NC
MP IN
NC
9
20
16
13
+
C132
100u10
0.01
C131
4.7uH
L8
4.7K
R171
1K
R170
0.1
C137
0.01
C157
150P
C136
4.7K
R161
10K
R169
4.7K
R162
0.1
C138
0.033
C156
0.47
C135
C5 1
2.2u50
+
C133
C6 1
7
6
5
13
14
FR
FL
RR
RL
RR
RL
FR
FL
4
3
13
10
3
W103
4
0.1
C109
10K
R312
47K
R131
NC
12
31
R124
750
R126
2.2
52
C308
1
IC13
0.01
C108
+8V
+8V
+8V
+B
+B
+B
+B
+5V
+5V
+5V
+B
+B
+5V
+B
+B
+B
+5V
+5V
+B
+5V
+B
+B
+B
+5V
+5V
+5V
+5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+5V
R107
19
47u6.3
28
27
100K
100K
100K
29
26
88
R80
R81
95
94
96
R82
4.7
+
6
0.47u50
0.47u50
R72 4.7K
R71 100
10
R3
R76 4.7K
R75 4.7K
R73 4.7K
R74 4.7K
R77 47
47
R78
R2
R1
10
C3
+
5
C2
+
7
C1
F1 10A
23
R103
R100
3.3K
C96
0.01
1/2W
18K
C89
0.01
R102
100K
R101
100K
C88
1000P
R99
5.6K
12K
R98
R97
12K
93
R116
100K
1.2K
R115
+B
11
+B
25
74
43
42
44
CP10 4.7K
+8V
79
ILL +B
ILL +B
+5V
+5V
16
+B
+B
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
W
V
U
S
T
R
Q
O
P
WH1
ANT
D82
CN3
CN1
A1
Q89
Q87
Q86
Q88
Q85
Q90
CN2
Q45
IC1
:
IC2
: TDA7407D
IC3
: M5237ML
IC4
: TA8263BH
IC10
: TC74HCO2AF
IC11
: TDA7479D
IC13
: BA6238A
IC15
: S-80837ANNP
D1
: RD6.8MW
D3,22
: MA3062-M
D5,6,50,51
: DAP202K or
D11,13-18,38-40,44
: AM01Z
D21
: MA3062WA
D31
: RM1OZLF
D32
: RB160L-40
D33,36
: MA4056(N)-M
D37
: MA4062(N)-M
D41
: 1SS133
D42
: MA4220-H
D43
: MA4056-M
D45
: MA4075-M
D46
: MA4036-H
D52,82
: DAN202K or
D81
: MA3047-M
Q18,72,86,87
: DTC124EK or
Q20,22
: 2SB1548(P)
: 2SC2412K or
Q31,41,43
: DTC114YK or
Q32,46
: DTC144EK or
Q39
: DTA123JK or
Q85
: DTC144EUA or
SIGNAL LINE
Q46
MA4110-L
:
D53
DTC143TK or
Q1-4
:
Q21,24,34,37,73,90
2SA1037K or
:
Q23,29
2SB1277(Q,R)
Q28
:
2SB1184
Q33
:
Q36,44
UMC2N
:
Q38,42
2SB1443
:
2SA1576A or
Q45
:
2SB1188(Q,R)
Q88,89
:
J1
2/2
X16-
J1
(X16-118X-XX)
RST
SYSTEM u-COM
D2
:
D2
D81
AM +B
SW
FM +B
SW
IFC OUT
BUFFER
UPD703033GC138
IMSA-6801
M1F60
D12
:
COMPOSITE
OUT BUFFER
RDS
DECODER
PANEL
5V SW
B LINE
MA152WA
MA152WK
UN2216
KRC103S
2SD601A
2SB709A
KRC107S
KRC104S
KRA105S
2SB1218A
UN5213
(X14-6442-7X)
KRA103S
DTA124EK or
Q19,30,71
:
SUB
M
1
22K
22K
22K
22K
47K
47K
47K
47K
0V
5V
0V
0V
5V
5.0V
2.5V
5V
5.0V
2.5V
0V
0V
0V
5V
5.0V
0V
5V
0V
5V
0V
5V
0V
5V
0V
0V
0V
5V
5V
0V
0V
5V
0V or 3.25V
0V
5.0V
5V
0V
0V
5.0V
0V or 5.0V
0V
0V
5V
0V
0V
5V
0V
5.0V
0.6V
5V
0V
0V-4.8V
0V-4.0V
5V
0V
0V
5V
5V
0V
5V
0V
0V
5V
0V
5V
5.0V
5V
0V
0V
0V
5V
0V
5V
5V
0V
4.4V
0V
5V
0V
0V or 5.0V
0V
5V
0V or 5.0V
0V
5V
0V
5V
0.6V or 1.6V or 4.0V
0V or 5.0V
0 or 5.0V
0V
5V
0V
5V
IC11
IC1
IC15
A
(X16-118X-XX)
MASK MECHA
2
1
82
81
87
10u6.3
EXTRES
GND
1
2
+
10u6.3
3
C224
4
330P
C222
5
10P
14
RDDA
RDCK
QUAL
16
OSC0
VREF
15
T57
13
OSC1
MPX
X3
VCC
OSEL
12
C223 10P
C221
6
7
8
C225 0.01
TSEL
FILOUT
ARI
11
10
TM
9
+
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
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
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
SW 5V
DIMMER
ACC DET
NC
MUTE
ANT CONT
P CON
TEST
DIMMER CONT/DA-SDA
PRE MUTE
P MUTE
IC2 SCK
IC2 SDA
P STBY
P ON
BEEP
E VSS
E VDD
PLL CLK
PLL DATA
AFC
FM+B
AM +B
NC
MC CLK/L CLK
MC DATA/L DATAS
SC DATA/L DATAL
CH CLK
CH DATA H
CH DATA C
BU DET
MTL
EQ MUTE
NC
SC REQ/KEY REQ
CH REQ C
R CLK
DOLBY
PACK DET
MUSIC
IFC OUT
R QUAL
R DATA
S METER
NOISE
SRM DET
NC
F REEL
NC
ILL ON
PAN 5V
NC
VDD
VSS
TYPE 1
TYPE 0
NC
NC
ST TYPE 1
ST TYPE 0
SRM SW1
NC/DA-CLK
MC REQ/L CE
SRM SW3
SRM SW2
FWD/REV
MSC
AV CONT
A VDD
A VSS
AVREF
PHONE
R REEL
CH MUTE
CH CON
CH REQH
CH RST
EXT AMP CONT
RESET
XT1
XT2
REGC
X2
X1
VSS
VDD
CLK OUT
NC
MOTOR
MODE 3
MODE 1
MODE 2
NC
SUB MOTOR 1
SUB MOTOR 2
SUB MOTOR 3
CAS/SRM
NC
CP9 4.7K
CP8 2.2K
R364
L10
100K
CP7 2.2K
R340 2.2K
R339 10K
R338 1K
2.2K
1K
C304
88
96
81
87
82
86
84
85
92
89
91
99
95
94
78
79
CP4 1K
47K
R365
R366
47K
1K
R359
69
68
67
66
65
R328 100K
R326 100K
100K
R323 100K
100K
63
R324
53
CP3 1K
CP2 4.7K
X1 20MHz
X2
0.01
C251
27P
C302
C301
C303 1
29
30
26
27
28
42
46
47
48
44
43
R303 470
47K
R352
R302 470
R305 4.7K
R304 4.7K
0.01
C307
R310 10K
R311 10K
R313 10K
R308 1K
R309 1K
1
2
14
13
4
5
R301 1K
24
1
GND
4
3
2
IN
OUT
NC
10K
R289
A GND
OUT L
+B 8V
OUT R
2
1
4
3
MTL
DOLBY B/C
DOLBY
MUTE
MS OUT
7
6
5
8
F/R
MS MODE
11
10
9
PACK IN
D GND
13
12
ON/OFF
4
3
84
85
69
68
92
91
86
R198
47K
100K
R199
10u16
C190
+
R193
100K
470
R194
0.01
C191
2
1
4
3
6
5
8
7
9
11
10
12
13
R376 470
R374 470
R373 470
R372 1K
R371 1K
R370 470
ILL GND
ILL +B
L CLK
L-CE
RESET
L-DATAS
L-DATAL
DIMMER
PAN RESET
REMO
NC
D GND
VDD
17
10
89
65
99
98
64
RDS OUT
AM IF OUT
S METER
AUDIO OUT
VDD 5V
NOISE OUT
DIG GND
SDA
SCL
IFC OUT
PLL + B
OSC GND
VT
FM ANT
OSC GND
OSC GND
W/N
OSC GND
AM + B
FM + B
AM ANT
RF GND
IF1 GND
IF1 + B
1K
R166
22K
R168
4.7uH
L3
R165
1K
22K
R167
4.7uH
L7
L6 4.7uH
4
5
10
13
47K
R172
1
2
4.7K
R220
1K
1
2
6
4
3
5
7
2.2K
R196
2.2K
R195
2.2K
R192
100K
R191
67
10
78
66
63
4.7K
R218
47K
R217
53
41
25
74
93
21
23
16
19
11
49
15
12
9
31
+
C252
47u6.3
4.7uH
L9
4.7K
R315
22K
R348
10K
R357
C306
0.01
C173
R286
47K
22K
52
REMO
NC
CP1 100K
R367
2.2K
10
R306
2.2M
R307
470
R344
1M
R347
W102
98
R361 1K
R345
W104
1K
R332
1K
R331
C305 0.01
100u10
C154
+
L4
4.7uH
L5
4.7uH
W106
R221
10
C172
0.01
17
47
R83
100K
22P
R375 1K
1K
R377
S.GND
S.GND
RESET
PAN RESET
VDD
D GND
N.C.
REMO
DIMMER
L-DATAL
L-DATAS
L-CE
L CLK
ILL GND
ILL +B
KRC-791
KRC-V791
KRC-791Y
2-71
0-10
NAME
MODEL
No.
UNIT
17
19
20
18
15
16
14
13
12
9
10
8
4
7
6
5
2
3
1
21
22
23
24
11
220
R287
10
C256
W107
Q90
CONT
0.01
1000P
R333
R335
C226
+B
+8V
+8V
+8V
+8V
+8V
+8V
+8V
+8V
+8V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
R288
R321
376
NO
MODEL NAME
KRC-791 (E)
KRC-791Y (E2)
UNIT
No.
2-72
2-73
R324
NO
YES
YES
2-74
KRC-V791 (E2)
NO
YES
1K
470
1K
R367
R323,
RST
3
R219
75
76
RST
52mH
L1
GND
1
3
SRM DET
SUB -
4
2
SW 2
5
7
SUB +
6
SW 3
SW 1
ILL +B
ILL +B
ILL +B
3
+5V
VDD
N.C.
D GND
REMO
PAN RESET
L-DATAL
DIMMER
L-DATAS
ILL GND
L-CE
L CLK
RESET
ILL +B
+8V
+8V
+8V
+8V
3
1
2
4
7
5
6
1
2
3
4
5
6
8
7
9
10
11
12
13
5
4
3
2
1
13
12
11
10
9
8
6
7
KRC-V791
DTA123JK
DTA124EK
DTC114YK
DTC124EK
DTC143TK
DTC144EK
KRC103S
UN5213
2SA1576A
2SB1218A
2SB709A
2SC2412K
E
C
B
2SB1188
E
C
B
2SB1184
B
C E
2SB1548
E
C
B
2SB1277
2SB1443
B C E
2SA1037K
2SC4081
B
C
E
UMX2N
4
6
1
3
DTA114EUA
DTC144EUA
KRC104S
IN
GND
OUT
UMC2N
1
3
4
5
BA6238A
1
10
DAN202K
K
A2
A1
DAP202K
1
2
3
TDA7479D
1
8
9
16
M5237ML
1
2
3
TC74HC02AF
1
7
14
8
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
X
Y
Z
AB
AA
AC
AD
AF
AE
1
2
3
4
5
6
7
KRC-V791
J1
D7
D6
D5
D10
D9
D8
D18
D15
D14
D22
D16
D21
D20
D17
D13
D12
D11
D23
S1
VOL-
S2
S4
ATT
S5
S9
4
S11
6
S12
S8
S10
TI
5
2
S7
1
S6
SRC
S22
S26
AM
FM
EJECT
S15
S17
S16
S18
S14
S24
S20
AUD
S25
S13
DISP
Q3
1/2
X16-
J1
IC1
: LC75808W
IC2
: RS-171
Q1,6
: DTA114EUA or
Q3-5,62-64
: 2SC4081
Q4
Q5
Q6
B30-1599-05
D50-53
:
D26
:
LCD DRIVER
Q1
S3
RST
VOL+
3
S21
CLK
S27
S19
S23
UMX2N
Q50-55
:
B30-1605-05
D5-18,20-22 :
B30-1564-05
D23,24
:
OPEN
S28
D24
B LINE
GND LINE
KRA302
REMO
SW
AVR
VLCD
KEY
SW
SCAN
M62333FP
IC3
:
MA3082-L
REMOTE
SENSOR IC
Q64
Q63
Q62
D50
D51
Q50
Q51
Q52
Q55
D53
D52
Q54
Q53
D26
V-ILLUMI
DAC
BACK
LIGHT
KEY-ILLUMI
RED LED SW
GREEN
LED SW
A
IC1
IC2
(X16-1542-71)
ED1
IC3
5.0V
0V
0V
0V
5V
5.0V
8.5V
6.8V
5.1V
3.4V
1.7V
0V
5.0V
0V
0V
5.0V
0V
10.7V
10K
10K
10K
10K
2
3
4
5
6
7
8
9
10
11
12
13
ILL+B
ILLUM G
L CLK
L CE
RESET
L DATAS
L DATAL
DA SDA
DA SCL
REMO
NC
D GND
330
R17
510
R22
R23
270
C13 0.01
KS3
KS5
KS2
KS1
KI1
KI2
KI3
KI4
1K
10K
R15
1K
CP2
KI1
KI4
KI3
KI2
4.7
R11
KI5
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
27
26
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
KS5
KS4
KS3
KS2
KS1
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
S60
S59
S58
S57
S56
S55
S54
S53
S52
S51
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
KI5
REMO
RED
GREEN
KEY
VDD
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VSS
TEST
OSC
INH
DO
CE
CL
DI
S4
S3
S2
S1
S10
S8
S7
S6
S5
S9
S15
S14
S13
S12
S11
S20
S19
S18
S17
S16
S21
S22
S23
S38
S34
S32
S31
S33
S36
S35
S37
S46
S42
S40
S39
S41
S44
S43
S45
S47
S50
S30
S29
S60
S59
S58
S57
S56
S55
S54
S53
S52
S51
C4
C1
C8
C2
C3
C7
C5
C6
KS1
KS4
KS2
KS3
CP3
1K
10K
R16
R5
C4
C3
R4
C2
R3
0.1
100
R9
2.2
C7
S49
S48
S25
S24
S50
S46
S47
S48
S49
28
29
30
31
32
S28
S27
S26
79
KI3
78
KI2
KI4
80
KI1
77
KS6
76
KI5
R13 1K
84
83
1
VDD
S.GND
R10
CP1
470
R8 22K
97
98
99
100
97
98
99
100
C1 680P
R1 43K
GND2
VCC
4
3
GND1
OUT
1
2
KS5
R14 1K
R18
330
R19
330
R20
330
R21
330
84
83
KS4
SDA
3.9K
R6
2.2K
2.2K
2.2K
R2
2.2K
2.2
22K
750
SEG17 35
C8
C4
C5
C7
C6
C2
C1
C3
S1
SEG1 19
27
SSEG9
SEG5
SEG3
SEG4
SEG2
21
20
22
23
SEG8
SEG7
SEG6 24
25
26
S5
S3
S2
S4
S6
S8
S7
31
SEG13
SEG12
SEG11
SEG10
29
28
30
SEG14
SEG15
SEG16
33
32
34
S9
S10
S11
S12
S14
S13
S15
S16
COM1
SEG52
S60
S56
S57
S59
S58
S53
S54
S55
COM3
COM2
COM4
COM5
COM6
COM7
COM8
SEG60
SEG58
SEG59
SEG57
SEG56
SEG54
SEG55
SEG53
S51
S52
SEG51
S32
43
SEG25
39
SEG21
SEG20
SEG19
SEG18
37
36
38
SEG22
SEG23
SEG24
41
40
42
S17
S18
S20
S19
S21
S22
S23
S24
SEG26
SEG27
SEG28
45
44
46
SEG32
SEG31
SEG30
SEG29 47
48
50
49
S28
S26
S25
S27
S30
S29
S31
S40
SEG36
SEG35
SEG33
SEG34
51
52
53
54
SEG38
SEG39
SEG40
SEG37
56
55
57
58
S36
S34
S33
S35
S38
S37
S39
SEG42
SEG43
SEG44
SEG41 59
60
62
61
SEG48
SEG47
SEG46
SEG45 63
64
65
66
S44
S42
S41
S43
S46
S45
S47
SEG50
SEG49
68
67
S49
S48
S50
5
9
10
7
8
6
3
4
2
1
17
18
15
16
13
14
12
11
S.GND
10K
R28
10K
R27
C14 0.01
+B
+5V
+5V
+B
+5V
+5V
SCL
470
CP56
C6
8
7
6
5
VCC
SCL
SCA
GND
1
2
3
4
A01
A02
A03
NC
C5
4.7
R66
SDA
SCL
R67 10K
R68 10K
IC2
Q6
100K
CP55
B
G
R
CP54
100K
C68 1
1
2
4
3
R50 150
R52
220
R51 150
470
CP50
R53 150
4
3
2
R54 150
220
R55
1
B
R
G
G
R
B
1
2
3
4
5
6
470
CP51
1
2
3
4
5
6
1
2
3
4
5
6
R62 270
R63 270
C50 0.01
C53 0.01
0.01
C52
C58
C59
0.01
0.01
C51 0.01
B
5
1
G
R
4
0.01
2
3
R65 270
4
3
6
5
1
2
470
CP53
R64 270
R61
220
4
R59 150
R60 150
3
CP52
4
C57 0.01
C56
0.01
C61
C55 0.01
C60
0.01
2
3
C54 0.01
1
R58
6
R
1
2
220
B
G
470
2
5
R56 150
4
R57 150
3
6
1
C65
C66
C67
R7
0.1
0.1
0.1
4.7
4.7
4.7
R12
82
82
+10.7V
+10.7V
+10.7V
+10.7V
+10.7V
+10.7V
+B
+B
+B
+5V
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
N
N
N
N
(X16-)
265
211
272
244
785
F1
PS2
PS3
PS1
PM1
CME
FPC1
(X87-)
J1
FPC2
T
U
U
U
U
P
P
P
P
P
(X14-)
P
P
P
V
V
R
R
S
S
S
P
P
WH1
L
M
M
E
K
Q
Q
Q
D
L
B B
A
A
F
J
J
B
B
Px2
D
A
G
H
B
B
B
B
C
F
212
217
756
738
794
786
702
791
739
793
788
734
227
225
226
228
229
204
251
262
243
203
258
206
210
224
216
230
231
223
242
PME
PA1
248
208
245
257
232
(X14)
(X16)
(X16)
246
247
201
259
241
281
222x2
RM1
DC1
RM2
283
219
267
268
753
266
270
271
269
233
714
209
220
304
301
303
302
304
790
ED1
(X16)
C
D
1
2
3
24
23
KRC-V791
KRC-V791
EXPLODED VIEW (MECHANISM)
EXPLODED VIEW (UNIT)
Parts with exploded numbers larger than 700 are not suppied.
A
B
1
2
3
Parts with exploded numbers larger than 700 are not suppied.
58
56
57
52
53
54
CM1
CM2
25
21
24
45
23
65
65
66
66
67
67
10
11
1
31
30
34
33
9
9
HD1
17
15
4
22
12
12
20
5
6
7
26
48
48
49
27
94
91
92
94
D
N
G
H
C
C
F
B
E
E
E
B
G
893
H
N
D
876
Ax2
Ax2
K
J
J
44
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
KRC-V791
PARTS LIST
25
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗ New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohane Parts No. werden nicht geliefert.
R: KRC-465R
L: KRC-365L
E2: KRC-36Y
E: English
T: Chinese
A: Arabic
indicates safety critical components.
KRC-V791
201
1C
A02-1497-13
PLASTIC CABINET ASSY
203
2C
A10-4807-13
CHASSIS CALKING ASSY
204
1C
A10-4810-13
CHASSIS CALKING ASSY
206
2C
A10-4834-02
CHASSIS
208
2C
A10-4893-04
CHASSIS CALKING ASSY
209
3C
A21-4171-03
DRESSING PANEL
210
2C
A22-2867-03
SUB PANEL ASSY
211
3D
A46-1753-01
REAR COVER
212
1D
A52-0784-02
TOP PLATE
PA1
3C ∗ A64-2576-02
PANEL ASSY
PME
2C
A10-4814-22
CHASSIS ASSY
RM1
1C
A70-2025-05
REMOTE CONTROLLER ASSY
RM2
1C
A70-0886-15
REMOTE CONTROLLER ASSY
216
2C
B03-3073-12
DRESSING PLATE
217
3D
B07-3007-03
ESCUTCHEON ASSY
219
3C ∗ B10-4155-01
FRONT GLASS
220
3C
B10-4222-03
FRONT GLASS
-
B46-0100-50
WARRANTY CARD
-
B46-0632-04
ID CARD
-
B58-1309-04
CAUTION CARD
-
B58-1380-04
CAUTION CARD
-
B64-2160-00
INSTRUCTION MANUAL E
-
B64-2161-00
INSTRUCTION MANUAL F,G,D
-
B64-2162-00
INSTRUCTION MANUAL I,S,P
222
1C
D10-4562-04
LEVER
223
2C
D10-4563-04
ARM ASSY
224
2C
D10-4590-04
ARM
225
2C
D13-2135-04
GEAR ASSY
226
2C
D13-2138-04
GEAR
227
1D
D13-2139-04
GEAR
228
2C
D13-2140-04
GEAR
229
1C
D13-2141-14
GEAR ASSY
230
2C
D13-2165-03
GEAR ASSY
231
2C
D14-0754-04
ROLLER
232
2C
D14-0760-03
ROLLER
CME
1D
D40-1146-05
CASSETTE MECHANISM ASSY
233
3C
E29-1879-02
CONDUCTIVE RUBBER
DC1
1C
E30-4942-05
DC CORD
F1
2D
F52-0006-05
FUSE(MINI BLADE TYPE)
241
1C
G01-2924-04
TORSION COIL SPRING
242
2C
G01-3065-04
EXTENSION SPRING
243
2D
G01-3066-14
TORSION COIL SPRING
244
3D
G01-3069-04
EXTENSION SPRING
245
2C
G01-3080-04
TORSION COIL SPRING
246
2C
G09-2038-04
FORMED WIRE
247
2C
G09-2042-04
FORMED WIRE
248
2C
G11-1927-04
CUSHION
251
2C
G16-1177-04
SHEET
-
H10-4766-12
POLYSTYRENE FOAMED FIXTURE
-
H25-0337-04
PROTECTION BAG (180X300X0.03)
-
H25-1108-04
PROTECTION BAG (100X300X0.03)
-
H25-1111-04
PROTECTION BAG (280X450X0.03)
-
H30-0544-04
ADHESIVE DOUBLE-COATED TAPE
-
∗ H54-2334-03
ITEM CARTON CASE
257
2C
J21-9651-13
MOUNTING HARDWARE ASSY
258
2C
J21-9699-04
MOUNTING HARDWARE
259
1C
J21-9716-03
MOUNTING HARDWARE ASSY
262
2C
J90-0999-04
GUIDE
FPC1
1C
J84-0122-04
FLEXIBLE PRINTED WIRING BOARD
265
2C
K24-3646-04
KNOB
OPEN
266
3C
K24-3835-04
KNOB
SRC
267
3C
K25-1404-03
KNOB
VOL
268
3C
K25-1405-02
KNOB
1-6
269
3C
K25-1406-03
KNOB
FM,AM
270
3C
K25-1407-03
KNOB
PROG
271
3C
K25-1408-03
KNOB
UP,DOWN
272
3C
K29-7017-03
KNOB
LOCK
281
1D
N99-1704-05
SCREW SET
A
1C
N09-4400-05
MACHINE SCREW
B
2C
N09-4401-05
MACHINE SCREW
C
1C
N09-4427-05
TAPTITE SCREW
D
2C
N09-4448-05
MACHINE SCREW
E
2C
N09-4449-05
MACHINE SCREW
F
1D
N19-2154-04
FLAT WASHER
G
2C
N19-2155-04
FLAT WASHER
H
2C
N19-2156-04
FLAT WASHER
J
2C
N29-0522-05
RETAINING RING
K
2D
N29-0523-05
RETAINING RING
L
2C
N38-2025-46
PAN HEAD MACHIN SCREW
M
3C
N80-2005-46
PAN HEAD TAPTITE SCREW
N
3D
N80-2008-45
PAN HEAD TAPTITE SCREW
P
1D
N83-3005-46
PAN HEAD TAPTITE SCREW
Q
2C
N86-2004-45
BINDING HEAD TAPTITE SCREW
T
2D
N09-4377-05
TAPTITE SCREW (2X5S SW C-MECH)
U
2D
N09-4368-05
MACHINE SCREW (C-MECHA.)
PS1-3
1C
S68-0856-05
PUSH SWITCH
283
1C
T90-0523-05
ANTENNA ADAPTOR
PM1
1C
T42-1034-04
MOTOR ASSY
C1,2
C90-2606-05
ELECTRO
0.47UF
50WV
C3
CE04CW0J470M
ELECTRO
47UF
6.3WV
C5,6
CK73GB0J105K
CHIP C
1.0UF
K
C27-30
C90-2597-05
ELECTRO
10UF
16WV
C31-34
C90-5297-05
NP-ELECT
0.22UF
50WV
C59,60
CK73FB1H104K
CHIP C
0.10UF
K
C80
CK73GB1H222K
CHIP C
2200PF
K
C81
C90-5242-05
ELECTRO
3300UF
16WV
C82
CE04CW1E101M
ELECTRO
100UF
25WV
C83
CK73GB1H103K
CHIP C
0.010UF K
C84
C90-2594-05
ELECTRO
10UF
10WV
C85
CE04CW0J101M
ELECTRO
100UF
6.3WV
C86
CK73FB1C105K
CHIP C
1.0UF
K
C87
CE04CW1A221M
ELECTRO
220UF
10WV
C88
CK73GB1H102K
CHIP C
1000PF
K
SYNTHESIZER UNIT (X14-6442-74)
The language of an instruction manual.
E : ENG
F : FRE
G : GER
S : SPA
P : POR
D : DUT
I
: ITA
H : HUN
C : CRO
R : RUS
O : POL
Z : CZE
L : SLO
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
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9
2
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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
KRC-V791
PARTS LIST
26
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗ New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohane Parts No. werden nicht geliefert.
R: KRC-465R
L: KRC-365L
E2: KRC-36Y
E: English
T: Chinese
A: Arabic
indicates safety critical components.
SYNTHESIZER UNIT (X14-6442-74)
C89
CK73GB1H103K
CHIP C
0.010UF K
C90
C90-2598-05
ELECTRO
3.3UF
25WV
C91
CK73GB1C683K
CHIP C
0.068UF K
C91
CK73GB1H683K
CHIP C
0.068UF K
C92
C90-2602-05
ELECTRO
0.10UF
50WV
C93
CK73GB1H103K
CHIP C
0.010UF K
C94
C90-2608-05
ELECTRO
1.0UF
50WV
C95,96
CK73GB1H103K
CHIP C
0.010UF K
C98,99
CK73FB1C224K
CHIP C
0.22UF
K
C108
CK73GB1H103K
CHIP C
0.010UF K
C109
CK73GB1C104K
CHIP C
0.10UF
K
C111
C90-2606-05
ELECTRO
0.47UF
50WV
C112
CE04CW1C220M
ELECTRO
22UF
16WV
C114
C90-2608-05
ELECTRO
1.0UF
50WV
C131
CK73GB1H103K
CHIP C
0.010UF K
C132
CE04CW1A101M
ELECTRO
100UF
10WV
C133
C90-2610-05
ELECTRO
2.2UF
50WV
C135
CK73GB1A474K
CHIP C
0.47UF
K
C136
CC73GCH1H151J
CHIP C
150PF
J
C137,138
CK73GB1C104K
CHIP C
0.10UF
K
C154
CE04DW1A101M
ELECTRO
100UF
10WV
C156
CK73GB1E333K
CHIP C
0.033UF K
C157
CK73GB1H103K
CHIP C
0.010UF K
C172,173
CK73GB1H103K
CHIP C
0.010UF K
C190
C90-2597-05
ELECTRO
10UF
16WV
C191
CK73GB1H103K
CHIP C
0.010UF K
C221
CC73GCH1H100D
CHIP C
10PF
D
C222
C90-2592-05
ELECTRO
10UF
6.3WV
C223
CC73GCH1H100D
CHIP C
10PF
D
C224
CC73GCH1H331J
CHIP C
330PF
J
C225
CK73GB1H103K
CHIP C
0.010UF K
C226
C90-2592-05
ELECTRO
10UF
6.3WV
C251
CK73GB1H103K
CHIP C
0.010UF K
C252
CE04CW0J470M
ELECTRO
47UF
6.3WV
C256
CK73EB0J106K
CHIP C
10UF
K
C301
CC73GCH1H220J
CHIP C
22PF
J
C302
CC73GCH1H270J
CHIP C
27PF
J
C303
CK73GB0J105K
CHIP C
1.0UF
K
C304
CK73GB1H102K
CHIP C
1000PF
K
C305-307
CK73GB1H103K
CHIP C
0.010UF K
C308
CK73GB0J105K
CHIP C
1.0UF
K
CN1
E40-9557-05
FLAT CABLE CONNECTOR
CN2
E40-5031-05
FLAT CABLE CONNECTOR
CN3
E41-0084-05
PIN ASSY
CN4
E40-5036-05
FLAT CABLE CONNECTOR
J1
E58-0863-15
RECTANGULAR RECEPTACLE
J2
E63-0853-05
PIN JACK
J3
E56-0834-05
CYLINDRICAL RECEPTACLE
P1
E23-0745-05
TERMINAL
WH1
2D
E30-4804-05
CORD WITH PLUG
L1
L33-1039-05
LINE FILTER COIL
L3,4
L40-4795-91
SMALL FIXED INDUCTOR(4.7UH,J)
L5
L40-4791-17
SMALL FIXED INDUCTOR(4.7UH,K)
L6
L40-4795-91
SMALL FIXED INDUCTOR(4.7UH,J)
L7
L40-4791-17
SMALL FIXED INDUCTOR(4.7UH,K)
L8,9
L40-4795-91
SMALL FIXED INDUCTOR(4.7UH,J)
L10
L92-0075-05
CHIP FERRITE
L12
L33-1170-05
CHOKE COIL ASSY
X1
L78-0821-05
RESONATOR
X2
L77-2738-05
CRYSTAL RESONATOR
X3
L77-2002-05
CRYSTAL RESONATOR
P
2D
N83-3005-46
PAN HEAD TAPTITE SCREW
R
2D
N80-3008-46
PAN HEAD TAPTITE SCREW
S
2D
N84-3014-46
PAN HEAD TAPTITE SCREW
V
2D
N09-4318-05
MACHINE SCREW
(M3X5)
CP1
R90-0737-05
MULTI-COMP
100K
X2
CP2
R90-0718-05
MULTI-COMP
4.7K
X4
CP3
R90-0724-05
MULTI-COMP
1K
X4
CP4
R90-0725-05
MULTI-COMP
1K
X2
CP7
R90-1013-05
MULTI-COMP
2.2K
X2
CP8,9
R90-0719-05
MULTI-COMP
4.7K
X2
CP10
R90-0718-05
MULTI-COMP
4.7K
X4
R1,2
RK73EB2E100J
CHIP R
10
J
1/4W
R3
RK73EB2E4R7J
CHIP R
4.7
J
1/4W
R7-10
RK73GB2A361J
CHIP R
360
J
1/10W
R11-14
RK73GB2A223J
CHIP R
22K
J
1/10W
R23,24
RK73GB2A223J
CHIP R
22K
J
1/10W
R33,34
RK73FB2B181J
CHIP R
180
J
1/8W
R37,38
RK73GB2A223J
CHIP R
22K
J
1/10W
R47,48
RK73FB2B181J
CHIP R
180
J
1/8W
R71
RK73EB2E101J
CHIP R
100
J
1/4W
R72-76
RK73EB2E472J
CHIP R
4.7K
J
1/4W
R77,78
RK73EB2E470J
CHIP R
47
J
1/4W
R80-83
RK73GB2A104J
CHIP R
100K
J
1/10W
R87
R92-3047-05
CHIP R
24K
D
1/10W
R89
R92-3032-05
CHIP R
4.3K
D
1/10W
R90
RK73GB2A153J
CHIP R
15K
J
1/10W
R92
RK73EB2E221J
CHIP R
220
J
1/4W
R93
RK73GB2A223J
CHIP R
22K
J
1/10W
R94
RK73GB2A101J
CHIP R
100
J
1/10W
R95
RK73GB2A223J
CHIP R
22K
J
1/10W
R96
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R97,98
RK73FB2B123J
CHIP R
12K
J
1/8W
R99
RK73GB2A562J
CHIP R
5.6K
J
1/10W
R100
RD14DB2H332J
SMALL-RD
3.3K
J
1/2W
R101,102
RK73EB2E104J
CHIP R
100K
J
1/4W
R103
RK73GB2A183J
CHIP R
18K
J
1/10W
R104
RK73FB2B472J
CHIP R
4.7K
J
1/8W
R107
RK73FB2B472J
CHIP R
4.7K
J
1/8W
R108
RD14DB2H102J
SMALL-RD
1.0K
J
1/2W
R109
RK73FB2B223J
CHIP R
22K
J
1/8W
R110
RD14DB2H102J
SMALL-RD
1.0K
J
1/2W
R111
RK73EB2E103J
CHIP R
10K
J
1/4W
R112
RK73GB2A104J
CHIP R
100K
J
1/10W
R113
RK73EB2E103J
CHIP R
10K
J
1/4W
R114
RK73FB2B561J
CHIP R
560
J
1/8W
R115
RK73FB2B122J
CHIP R
1.2K
J
1/8W
R116
RK73GB2A104J
CHIP R
100K
J
1/10W
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
KRC-V791
PARTS LIST
27
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗ New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohane Parts No. werden nicht geliefert.
R: KRC-465R
L: KRC-365L
E2: KRC-36Y
E: English
T: Chinese
A: Arabic
indicates safety critical components.
SYNTHESIZER UNIT (X14-6442-74)
R117
RK73EB2E102J
CHIP R
1.0K
J
1/4W
R118
RD14DB2H102J
SMALL-RD
1.0K
J
1/2W
R119
RK73FB2B103J
CHIP R
10K
J
1/8W
R120
RK73FB2B122J
CHIP R
1.2K
J
1/8W
R121,122
R92-2104-05
CHIP R
2.2
J
1W
R124
RK73FB2B751J
CHIP R
750
J
1/8W
R126
RK73EB2E2R2J
CHIP R
2.2
J
1/4W
R131
RK73GB2A473J
CHIP R
47K
J
1/10W
R134
RK73GB2A152J
CHIP R
1.5K
J
1/10W
R135
RK73FB2B101J
CHIP R
100
J
1/8W
R136
RK73FB2B392J
CHIP R
3.9K
J
1/8W
R161,162
RK73GB2A472J
CHIP R
4.7K
J
1/10W
R165,166
RK73EB2E102J
CHIP R
1.0K
J
1/4W
R167,168
RK73GB2A223J
CHIP R
22K
J
1/10W
R169
RK73GB2A103J
CHIP R
10K
J
1/10W
R170
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R171
RK73GB2A472J
CHIP R
4.7K
J
1/10W
R172
RK73GB2A473J
CHIP R
47K
J
1/10W
R190
RK73FB2B121J
CHIP R
120
J
1/8W
R191
RK73GB2A104J
CHIP R
100K
J
1/10W
R192
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R193
RK73GB2A104J
CHIP R
100K
J
1/10W
R194
RK73FB2B471J
CHIP R
470
J
1/8W
R195,196
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R198
RK73GB2A473J
CHIP R
47K
J
1/10W
R199
RK73GB2A104J
CHIP R
100K
J
1/10W
R217
RK73GB2A473J
CHIP R
47K
J
1/10W
R218
RK73GB2A472J
CHIP R
4.7K
J
1/10W
R219
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R220
RK73GB2A472J
CHIP R
4.7K
J
1/10W
R221
RK73FB2B100J
CHIP R
10
J
1/8W
R286
RK73GB2A473J
CHIP R
47K
J
1/10W
R287
RK73GB2A221J
CHIP R
220
J
1/10W
R288
RK73GB2A223J
CHIP R
22K
J
1/10W
R289
RK73GB2A103J
CHIP R
10K
J
1/10W
R301
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R302,303
RK73GB2A471J
CHIP R
470
J
1/10W
R304,305
RK73GB2A472J
CHIP R
4.7K
J
1/10W
R306
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R307
RK73GB2A225J
CHIP R
2.2M
J
1/10W
R308,309
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R310-313
RK73GB2A103J
CHIP R
10K
J
1/10W
R315
RK73GB2A472J
CHIP R
4.7K
J
1/10W
R321
RK73GB2A104J
CHIP R
100K
J
1/10W
R323
RK73GB2A104J
CHIP R
100K
J
1/10W
R326
RK73GB2A104J
CHIP R
100K
J
1/10W
R328
RK73GB2A104J
CHIP R
100K
J
1/10W
R331-333
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R335
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R338
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R339
RK73GB2A103J
CHIP R
10K
J
1/10W
R340
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R344
RK73GB2A471J
CHIP R
470
J
1/10W
R345
RK73GB2A104J
CHIP R
100K
J
1/10W
R347
RK73GB2A105J
CHIP R
1.0M
J
1/10W
R348
RK73GB2A223J
CHIP R
22K
J
1/10W
R352
RK73GB2A473J
CHIP R
47K
J
1/10W
R357
RK73GB2A103J
CHIP R
10K
J
1/10W
R358
RK73GB2A471J
CHIP R
470
J
1/10W
R359
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R361
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R364
RK73GB2A470J
CHIP R
47
J
1/10W
R365,366
RK73GB2A473J
CHIP R
47K
J
1/10W
R367
RK73GB2A471J
CHIP R
470
J
1/10W
R370
RK73EB2E471J
CHIP R
470
J
1/4W
R371,372
RK73EB2E102J
CHIP R
1.0K
J
1/4W
R373-376
RK73EB2E471J
CHIP R
470
J
1/4W
R377
RK73EB2E102J
CHIP R
1.0K
J
1/4W
W102-104
R92-1252-05
CHIP R
0 OHM
J
1/16W
W106
R92-2052-05
CHIP R
0 OHM
J
1/10W
W107
R92-1252-05
CHIP R
0 OHM
J
1/16W
D1
RD6.8MW
ZENER DIODE
D2
IMSA-6801
SURGE ABSORBER
D3
HZM6.2N(B2)
ZENER DIODE
D3
MA3062-M
ZENER DIODE
D5,6
DAP202K
DIODE
D11
AM01Z
DIODE
D11
DSM1SD2
DIODE
D11
ERA15-02
DIODE
D12
M1F60
DIODE
D13-18
AM01Z
DIODE
D13-18
DSM1SD2
DIODE
D13-18
ERA15-02
DIODE
D21
MA3062WA
ZENER DIODE
D22
HZM6.2N(B2)
ZENER DIODE
D22
MA3062-M
ZENER DIODE
D31
RM10ZLF
DIODE
D32
RB160L-40
DIODE
D33
MA4056(N)-M
ZENER DIODE
D36
MA4056(N)-M
ZENER DIODE
D37
MA4062(N)-M
ZENER DIODE
D38-40
AM01Z
DIODE
D38-40
1SR139-400
DIODE
D41
1SS133
DIODE
D42
HZS223
ZENER DIODE
D42
MA4220-H
ZENER DIODE
D43
HZS6B1
ZENER DIODE
D43
MA4056-M
ZENER DIODE
D44
AM01Z
DIODE
D44
DSM1SD2
DIODE
D44
ERA15-02
DIODE
D45
HZS7C2
ZENER DIODE
D45
MA4075-M
ZENER DIODE
D46
HZS4A3
ZENER DIODE
D46
MA4036-H
ZENER DIODE
D50,51
DAP202K
DIODE
D52
DAN202K
DIODE
D53
HZS11B2
ZENER DIODE
D53
MA4110-L
ZENER DIODE
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KRC-V791
PARTS LIST
28
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗ New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohane Parts No. werden nicht geliefert.
R: KRC-465R
L: KRC-365L
E2: KRC-36Y
E: English
T: Chinese
A: Arabic
indicates safety critical components.
SYNTHESIZER UNIT (X14-6442-74)
SUB CIRCUIT UNIT (X16-1182-71)
SWITCH UNIT (X16-1542-75)
DOLBY UNIT (X87-3022-72)
D81
HZM4.7N(B2)
ZENER DIODE
D81
MA3047-M
ZENER DIODE
D82
DAN202K
DIODE
IC1
UPD703033GC138
MI-COM IC
IC2
TDA7407D
ANALOGUE IC
IC3
M5237ML
IC(VOLTAGE REGULATOR)
IC4
TA8273H
ANALOGUE IC
IC10
HD74HC02FP
MOS-IC
IC10
TC74HC02AF
MOS-IC
IC11
TDA7479D
ANALOGUE IC
IC13
BA6238A
ANALOGUE IC
IC15
S-80837ANNP
MOS-IC
Q1-4
DTC143TK
DIGITAL TRANSISTOR
Q1-4
UN2216
DIGITAL TRANSISTOR
Q18
DTC124EK
DIGITAL TRANSISTOR
Q18
KRC103S
DIGITAL TRANSISTOR
Q19
DTA124EK
DIGITAL TRANSISTOR
Q19
KRA103S
DIGITAL TRANSISTOR
Q20
2SB1548(P)
TRANSISTOR
Q21
2SC2412K
TRANSISTOR
Q21
2SD601A
TRANSISTOR
Q22
2SB1548(P)
TRANSISTOR
Q23
2SA1037K
TRANSISTOR
Q23
2SB709A
TRANSISTOR
Q24,25
2SC2412K
TRANSISTOR
Q24,25
2SD601A
TRANSISTOR
Q28
2SB1277(Q,R)
TRANSISTOR
Q29
2SA1037K
TRANSISTOR
Q29
2SB709A
TRANSISTOR
Q30
DTA124EK
DIGITAL TRANSISTOR
Q30
KRA103S
DIGITAL TRANSISTOR
Q31
DTC114YK
DIGITAL TRANSISTOR
Q31
KRC107S
DIGITAL TRANSISTOR
Q32
DTC144EK
DIGITAL TRANSISTOR
Q32
KRC104S
DIGITAL TRANSISTOR
Q33
2SB1184
TRANSISTOR
Q34
2SC2412K
TRANSISTOR
Q34
2SD601A
TRANSISTOR
Q36
UMC2N
TRANSISTOR
Q37
2SC2412K
TRANSISTOR
Q37
2SD601A
TRANSISTOR
Q38
2SB1443
TRANSISTOR
Q39
DTA123JK
DIGITAL TRANSISTOR
Q39
KRA105S
DIGITAL TRANSISTOR
Q41
DTC114YK
DIGITAL TRANSISTOR
Q41
KRC107S
DIGITAL TRANSISTOR
Q42
2SB1443
TRANSISTOR
Q43
DTC114YK
DIGITAL TRANSISTOR
Q43
KRC107S
DIGITAL TRANSISTOR
Q44
UMC2N
TRANSISTOR
Q45
2SA1576A
TRANSISTOR
Q45
2SB1218A
TRANSISTOR
Q46
DTC144EK
DIGITAL TRANSISTOR
Q46
KRC104S
DIGITAL TRANSISTOR
Q71
DTA124EK
DIGITAL TRANSISTOR
SUB CIRCUIT UNIT (X16-1182-71)
Q71
KRA103S
DIGITAL TRANSISTOR
Q72
DTC124EK
DIGITAL TRANSISTOR
Q72
KRC103S
DIGITAL TRANSISTOR
Q73
2SC2412K
TRANSISTOR
Q73
2SD601A
TRANSISTOR
Q85
DTC144EUA
DIGITAL TRANSISTOR
Q85
UN5213
DIGITAL TRANSISTOR
Q86,87
DTC124EK
DIGITAL TRANSISTOR
Q86,87
KRC103S
DIGITAL TRANSISTOR
Q88,89
2SB1188(Q,R)
TRANSISTOR
Q90
2SC2412K
TRANSISTOR
Q90
2SD601A
TRANSISTOR
TH1
PTH9C42BD471Q
POSITIVE RESISTOR
A1
X86-3242-70
TUNER UNIT
J1
2C
E58-0903-05
RECTANGULAR RECEPTACLE
FPC2
2C
J84-0121-12
FLEXIBLE PRINTED WIRING BOARD
301
3C
B11-1322-04
REFLECTION SHEET
302
3C
B11-1323-14
OPTICAL DIFFUSER
303
3C
B19-2069-13
LIGHTING BOARD
D5-18
B30-1605-05
LED(2COLOR PG/RED)
D20-22
B30-1605-05
LED(2COLOR PG/RED)
D23,24
B30-1564-05
LED(1608,BLUE)
D50-53
B30-1599-05
LED(NICHIA FULL)
ED1
3C
B38-1087-05
LIQUID CRYSTAL
C1
CC73GCH1H681J
CHIP C
680PF
J
C2-5
CK73GB1C104K
CHIP C
0.10UF
K
C2-5
CK73GB1H104K
CHIP C
0.10UF
K
C6,7
CK73FB1A225K
CHIP C
2.2UF
K
C13,14
CK73GB1H103K
CHIP C
0.010UF K
C50-61
CK73GB1H103K
CHIP C
0.010UF K
C65-67
CK73FB0J475K
CHIP C
4.7UF
K
C68
CK73GB0J105K
CHIP C
1.0UF
K
304
3C
E29-1885-04
CONDUCTIVE RUBBER
J1
E59-0835-05
RECTANGULAR PLUG
CP1
R90-1016-05
MULTI-COMP
470
X4
CP2,3
R90-0724-05
MULTI-COMP
1K
X4
CP50-53
R90-1022-05
MULTI-COMP
470
X2
CP54,55
R90-0720-05
MULTI-COMP
100K X4
CP56
R90-1022-05
MULTI-COMP
470
X2
R1
RK73GB2A433J
CHIP R
43K
J
1/10W
R2-5
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R6
RK73GB2A392J
CHIP R
3.9K
J
1/10W
R7,8
RK73GB2A223J
CHIP R
22K
J
1/10W
R9
RK73GB2A101J
CHIP R
100
J
1/10W
R10
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R11
RK73GB2A4R7J
CHIP R
4.7
J
1/10W
R12
RK73GB2A361J
CHIP R
360
J
1/10W
R13,14
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R15,16
RK73GB2A103J
CHIP R
10K
J
1/10W
SWITCH UNIT (X16-1542-75)
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6
7
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KRC-V791
PARTS LIST
29
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗ New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohane Parts No. werden nicht geliefert.
R: KRC-465R
L: KRC-365L
E2: KRC-36Y
E: English
T: Chinese
A: Arabic
indicates safety critical components.
CASSETTE MECHANISM ASSY (D40-1146-05)
DOLBY UNIT (X87-3022-72)
CASSETTE MECHANISM ASSY (D40-1146-05)
R17-21
RK73FB2B331J
CHIP R
330
J
1/8W
R22
RK73FB2B511J
CHIP R
510
J
1/8W
R23
RK73FB2B271J
CHIP R
270
J
1/8W
R27,28
RK73GB2A103J
CHIP R
10K
J
1/10W
R50,51
RK73GB2A151J
CHIP R
150
J
1/10W
R52
RK73GB2A221J
CHIP R
220
J
1/10W
R53,54
RK73GB2A151J
CHIP R
150
J
1/10W
R55
RK73GB2A221J
CHIP R
220
J
1/10W
R56,57
RK73GB2A151J
CHIP R
150
J
1/10W
R58
RK73GB2A221J
CHIP R
220
J
1/10W
R59,60
RK73GB2A151J
CHIP R
150
J
1/10W
R61
RK73GB2A221J
CHIP R
220
J
1/10W
R62-65
RK73GB2A271J
CHIP R
270
J
1/10W
R66
RK73GB2A4R7J
CHIP R
4.7
J
1/10W
R67,68
RK73GB2A103J
CHIP R
10K
J
1/10W
S28
S70-0864-05
TACT SWITCH
D26
MA3082-L
ZENER DIODE
IC1
LC75808W
MOS-IC
IC2
RS-171
ANALOGUE IC
IC3
M62333FP
MOS-IC
Q1
DTA114EUA
DIGITAL TRANSISTOR
Q1
KRA302
DIGITAL TRANSISTOR
Q3-5
2SC4081
TRANSISTOR
Q6
DTA114EUA
DIGITAL TRANSISTOR
Q6
KRA302
DIGITAL TRANSISTOR
Q50-55
UMX2N
TRANSISTOR
Q62-64
2SC4081
TRANSISTOR
C1-4
CC73GCH1H471J
CHIP C
470PF
J
C5
CE04NW1A330M
ELECTRO
33UF
10WV
C6
CE04NW1A470M
ELECTRO
47UF
10WV
C7,8
CK73GB1H103K
CHIP C
0.010UF K
C11-14
CK73GB1C104K
CHIP C
0.10UF
K
C11-14
CK73GB1H104K
CHIP C
0.10UF
K
C15,16
CE04NW1A330M
ELECTRO
33UF
10WV
C17
CK73GB1A474K
CHIP C
0.47UF
K
C20
CK73GB1H472K
CHIP C
4700PF
K
C23
CK73GB1A474K
CHIP C
0.47UF
K
C24
CK73GB1E333K
CHIP C
0.033UF K
C24
CK73GB1H333K
CHIP C
0.033UF K
CN2
E40-9218-05
PIN ASSY
CN3
E40-9701-05
FLAT CABLE CONNECTOR
CN4
E41-0083-05
PIN ASSY
R1-4
RK73FB2B243J
CHIP R
24K
J
1/8W
R5,6
RK73FB2B181J
CHIP R
180
J
1/8W
R7
RK73GB2A203J
CHIP R
20K
J
1/10W
R8
RK73GB2A224J
CHIP R
220K
J
1/10W
R9
RK73GB2A272J
CHIP R
2.7K
J
1/10W
R10
RK73GB2A333J
CHIP R
33K
J
1/10W
R11,12
RK73FB2B102J
CHIP R
1.0K
J
1/8W
R13
RK73EB2E4R7J
CHIP R
4.7
J
1/4W
R14
RK73GB2A103J
CHIP R
10K
J
1/10W
VR1,2
R12-3100-05
TRIMMING POT.(10K)
W11,12
R92-2052-05
CHIP R
0 OHM
J
1/10W
W14
R92-2052-05
CHIP R
0 OHM
J
1/10W
S1
S40-1140-05
PUSH SWITCH
IC1
CXA2560Q
ANALOGUE IC
Q1
DTC124EK
DIGITAL TRANSISTOR
Q1
KRC103S
DIGITAL TRANSISTOR
1
2B
A10-4630-08
CHASSIS ASSY
4
3B
D10-4375-08
SLIDER (MAIN PLATE)
5
3A
D13-1494-08
GEAR (B)
6
3A
D13-1495-08
GEAR (C)
7
3A
D13-1496-08
GEAR (D)
9
1B
D10-4376-08
ARM (P-G PLATE)
10
2B
J90-0948-08
GUID
11
2B
D15-0919-08
PULLEY (MID)
12
2B
D13-1497-08
GEAR (P)
15
2B
J21-9458-08
MOUNTING HARDWARE (HEAD P-AS)
17
2B
G02-1332-08
FLAT SPRING (HEAD SP-P)
20
2A
D13-1498-08
RACK GEAR (OP PLATE A)
21
1A
D10-4377-08
LEVER (EJ-LEV-A)
22
3B
D10-4378-08
LEVER (SB.PL-AS)
23
2A
D10-4379-08
LEVER (OP-PL-HO)
24
1A
D10-4380-08
LEVER (EJE-LEV-A)
25
1A
G01-2960-08
TENSION COIL SPRING (E LEV-SP)
26
3A
D13-1499-08
GEAR (FR)
27
3A
D10-4381-08
ARM (FR-PLATE)
30
2B
D10-4382-08
ARM ASSY (PINCH ROLLER F)
31
2B
D10-4383-08
ARM ASSY (PINCH ROLLER R)
33
2B
G01-2961-08
TORSION SPRING (SA)
34
2B
D10-4384-08
ARM (SW)
44
1A
E39-0425-08
LEAD WIRE (MOTOR)
45
2A
J11-0632-08
CLAMPER
48
3B
D01-0613-08
FLYWHEEL ASSY
49
3B
D16-0616-08
BELT
52
1B
D10-4385-08
ARM (CASSETTE LIFTER B)
53
1B
J19-4953-08
CASSETTE HOLDER
54
1A
G11-1861-08
CUSHION
56
1B
D10-4386-08
ARM ASSY
57
1B
G01-2962-08
TENSION COIL SPRING
58
1B
D10-4387-08
SLIDER
65
2A
B09-0522-08
REEL CAP
66
2A
G01-2963-08
COMPRESSION SPRING
67
2A
D03-0314-08
REEL GEAR ASSY
91
3A
J26-4043-08
PRINTED WIRING BOARD ASSY
92
3A
E39-0424-08
FLAT CABLE (FFC-M9)
94
3A
T95-0245-08
PHOTO COUPLER
A
3A
N09-4324-08
SCREW (2X2.5)
B
2A
N19-2136-08
FLAT WASHER (1.55X35)
C
2B
N09-4325-08
SCREW (2X13ADS)
D
2A
N09-4326-08
SCREW (2X3)
E
2A
N09-4058-08
SEMS (2X3AMS)
F
2B
N19-2038-08
FLAT WASHER (0.85X2.8)
G
2B
N19-2136-08
FLAT WASHER (1.55X3)
DOLBY UNIT (X87-3022-72)
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TEL 13942296513 QQ 376315150 892498299
KRC-V791
PARTS LIST
30
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
Ref.No.
Parts No.
Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗ New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohane Parts No. werden nicht geliefert.
R: KRC-465R
L: KRC-365L
E2: KRC-36Y
E: English
T: Chinese
A: Arabic
indicates safety critical components.
H
2B
N19-2137-08
FLAT WASHER (2.1X3.5)
J
3B
N19-2138-08
FLAT WASHER (2.1X3.5)
K
3B
N09-4327-08
SCREW
N
1B
N19-2139-08
FLAT WASHER (2.1X4.0)
CM1
1A
T42-1002-08
MOTOR ASSY (MAIN)
CM2
1A
T42-1001-08
MOTOR ASSY (SUB A)
HD1
2B
T31-0226-08
PLAYBACK HEAD
CASSETTE MECHANISM ASSY (D40-1146-05)
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TEL 13942296513 QQ 376315150 892498299
KRC-V791
31
CAPACITORS
1 = Type ... ceramic, electrolytic, etc.
2 = Shape ... round, square, ect.
3 = Temp. coefficient
4 = Voltage rating
5 = Value
6 = Tolerance
Color*
CC45
Capacitor value
010 = 1pF
100 = 10pF
101 = 100pF
102 = 1000pF = 0.001µF
103 = 0.01µF
2
2
Multiplier
2nd number
1st number
0 = 22pF
CC 45
TH 1H
J
220
1
2
3
4
6
5
Temperature coefficient
Tolerance (More than 10pF)
Voltage rating
Chip capacitors
1
1st Word
Color*
Code
D
G
J
K
M
X
Z
P
No code
L
C
P
R
S
T
U
Black
Red
Orange Yellow
Green
Blue
Violet
0
-80
-150
-220
+ 40
- 40
+ 80
- 20
+ 100
-0
-330
-470
-750
C
(%)
ppm/
0.25
0.5
2
5
10
20
More than 10µF -10
+50
Less than
4.7µF -10
+75
2nd Word
H
G
Example : CC45TH = -470
J
K
L
ppm/
30
60
0.1
0.25
0.5
1
2
120
250
500
60ppm/
Gode
C
D
F
G
B
(pF)
(Less than 10pF)
1st word
2nd word
A
0
2.0
2.5
3.15
20
25
31.5
200
250
315
2000
2500 3150
1.0
1.25
1.6
10
12.5
16
100
125
160
1000
1250 1600
1
2
3
B
C
D
E
F
4.0
40
400
4000
G
5.0
50
500
5000
H
6.3
63
630
6300
J
8.0
80
800
8000
K
-
35
-
-
V
(EX)
C C 7 3
F
S L 1 H
0 0 0
J
Refer to the table above.
1 = Type
2 = Shape
5 = Voltage rating
4 = Temp. coefficient
3 = Dimension
6 = Value
7 = Tolerance
7
6
5
4
3
2
1
(EX)
C K 7 3
F
F
1 H
0 0 0
Z
7
6
5
4
3
2
1
(Chip)(CH,RH
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