'15631'

'8'

'先锋PIONEER GM-D500M音响电路图'

'69820'

'先锋,PIONEER, ,GM,-,D500M,音响,电路,电路图'

''

'0'

'1'

'admin'

'9'

'/wenku/a15631.html'

'0'

'0'

'127.0.0.1'

'2023-04-08 00:55:41'

'2023-04-08 00:55:41'

'0'

'50'

NULL

'0'

'2'

'69819'

NULL

NULL

'PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan 
PIONEER ELECTRONICS (USA) INC.
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium 
PIONEER ELECTRONICS ASIACENTRE PTE.LTD.
253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2003
K-ZZB. FEB. 2003 Printed in Japan
ORDER NO.
CRT2959
CLASS D MONO AMPLIFIER
GM-D500M XH/EW, XR/EW
Service
Manual
GM-D500M/XH/EW
GM-D500M XH/UC, XR/UC
For details, refer to "Important symbols for good services". 
GM-D500M XH/ES, XR/ES
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[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. 
 In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances. 
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying 
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed 
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and 
should keep the safety during servicing by following the safety instructions described in this manual.    
SAFETY INFORMATION
UC model
CAUTION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm. 
Health & Safety Code Section 25249.6 - Proposition 65
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GM-D500M/XH/EW
CONTENTS
SAFETY INFORMATION............................................2
1. SPECIFICATIONS.......................................................3
2. EXPLODED VIEWS AND PARTS LIST ......................4
2.1 PACKING..............................................................4
2.2 EXTERIOR............................................................6
3. SCHEMATIC DIAGRAM.............................................8
3.1 SCHEMATIC DIAGRAM(GUIDE PAGE) ..............8
4. PCB CONNECTION DIAGRAM................................14
4.1 AMP PCB............................................................14
4.2 CONNECTOR PCB.............................................18
5. ELECTRICAL PARTS LIST........................................19
6. ADJUSTMENT.........................................................22
7. GENERAL INFORMATION.......................................23
7.1 DIAGNOSIS .......................................................23
7.1.1 DISASSEMBLY.........................................23
7.1.2 CONNECTOR FUNCTION DESCRIPTION ......24
7.2 IC ........................................................................25
8. OPERATIONS...........................................................26
1. SPECIFICATIONS
Power source ...................................................................... 14.4 V DC (10.8 — 15.1 V allowable)
Backup current ............................................................................................................3mA or less
Grounding system .................................................................................................. Negative type
Current consumption ............................................................ 31.0 A (at continuous power, 4 Ω)
Average current drawn* .................................................................. 4.4 A (4 Ω for one channel)
........................................................................................................ 7.3 A (2 Ω for one channel)
Fuse .................................................................................................................................... 30 A x 2
Dimensions .................................................................................. 268 (W) x 52 (H) x 250 (D) mm
[10-1/2 (W) x 2 (H) x 9-7/8 (D) in.]
Weight .............................................................................. 2.9 kg (Leads for wiring not included)
Maximum power output ...................................................... 600 W x 1 (4 Ω) / 1,000 W x 1 (2 Ω)
Continuous power output (EW) ........ 490 W x 1 (4 Ω) / 630 W x 1 (2 Ω) (DIN45324, +B=14.4 V)
Continuous power output (UC,ES).............. 300 W x 1 (at 14.4 V, 4 Ω, 20 — 240 Hz, 0.4% THD)
.................................................................. 500 W x 1 (at 14.4 V, 2 Ω, 20 — 240 Hz, 0.8% THD)
Load impedance ...................................................................................... 4 Ω (1 — 8 Ω allowable)
Frequency response ........................................................................ 5 — 240 Hz (+0.5 dB, –3 dB)
Distortion .................................................................................................... 0.03 % (10 W, 120 Hz)
Low pass filter ............................................................................ Cut off frequency: 40 — 240 Hz
............................................................................................................ Cut off slope: –24 dB/oct
Bass level control .................................................................................................... –22 — +12 dB
Maximum input level/impedance ...................................... RCA: 6.5 V/22 kΩ (125 mV — 6.5 V)
*Average current drawn
• The average current drawn is nearly the maximum current drawn by this unit when an audio
signal is input. Use this value when working out total current drawn by multiple power ampli-
fiers.
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GM-D500M/XH/EW
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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GM-D500M/XH/EW
Part No.
GM-D500M/XH/EW
GM-D500M/XH/UC
GM-D500M/XH/ES
Mark No. Description
GM-D500M/XR/EW
GM-D500M/XR/UC
GM-D500M/XR/ES
1 Screw Assy
HEA0060
HEA0060
HEA0060
2 Screw
BYC40P180FZK
BYC40P180FZK
BYC40P180FZK
3 Polyethylene Bag
HEG0011
HEG0011
HEG0011
4 Cover
HNS0112
HNS0112
HNS0112
5 Polyethylene Bag
HEG0013
HEG0013
HEG0013
6 Carton
HHG0327
HHG0327
HHG0327
7 Contain Box
HHL0327
HHL0327
HHL0327
8 Protector
HHP0155
HHP0155
HHP0155
9-1 Owner’s Manual
HRD0206
HRD0205
HRD0207
9-2 Owner’s Manual
Not used
Not used
HRD0208
*    9-3 Warranty Card
HRY1157
Not used
Not used
*    9-4 Card
Not used
ARY1048
Not used
10 Core
HTX0003
Not used
HTX0003
*     11 Polyethylene Bag
HEG0025
Not used
HEG0025
*     12 Lock Tie
HNV0025
Not used
HNV0025
*     13 Caution Card
HRP0008
Not used
HRP0008
- PACKING SECTION PARTS LIST
NOTE:
- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to ∇ mark on the product are used for disassembly.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)
- Owner\'s Manual
Part No.
Language
HRD0205
English, French
HRD0206
English, Spanish, German, French, Italian, Dutch
HRD0207
English, Spanish
HRD0208
Arabic, Portuguese
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GM-D500M/XH/EW
2.2 EXTERIOR
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GM-D500M/XH/EW
1 Screw
BBZ30P060FMC
2 Screw
PPZ30P120FZK
3 •••••
4 •••••
5 Screw
VBZ30P110FZK
6 Case
HNB0178
7 Lighting Conductor
HNC0128
8 Lighting Conductor
HNC0129
9 Lighting Conductor
HNC0130
10 Lighting Conductor
HNC0139
11 Insulator
HNM0090
12 Heat Sink
HNR0212
13 Amp Unit (EW)
HWH0187
Amp Unit (UC)
HWH0186
Amp Unit (ES)
HWH0188
14 Holder
HNV0046
15 Screw
BBZ30P050FZK
16 Screw
BBZ30P060SAD
17 Screw
BBZ30P080FMC
18 Screw
BBZ30P100SAD
19 Terminal(CN604)
CKF1059
20 Terminal(CN605)
CKF1059
21 Terminal(CN606)
CKF1059
22 Cushion
CNM6825
23 Fuse(30A)
HEK0030
24 Pin Jack(CN801)
HKB0017
25 Terminal(CN601)
HKE0044
26 Terminal(CN804)
HKE0045
27 Clip
HNC0054
28 Holder
HNC0082
29 Insulator
HNM0093
30 •••••
31 Bar
HNR0124
32 Heat Sink
HNR0201
33 Heat Sink
HNR0202
34 Screw
PBB30P140FMC
35 Screw
PPZ30P120FZK
*
36 Badge Unit
HXA0380
37 Plate Unit
HXA0381
38 Light Pipe Unit
HXA0383
39 Transistor(Q622)
2SD2395
40 Transistor(Q623)
2SB1566
41 Thermistor(TH601,602)
CCX1013
42 Diode(D610)
FML22R
43 Diode(D611)
FML22S
44 FET(Q610-615)
STP50NE08
45 FET(Q401,402,405,406)
STP12PF06
46 FET(Q403,404,407,408)
STP16NF06
47 Volume(VR101)
HCS0002
48 Variable Resistor(VR201) CSS1265
49 Cushion
HNM0006
50 Insulator
HNM0126
51 LED(D910)
DB3804X
52 Screw
BBZ30P080FMC
Mark No. Description
Part No.
- EXTERIOR SECTION PARTS LIST
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A-a
A-a
A-b    
A-b    
A-a
A-a
A-b     
A-b     
A-b     
A-b     
A-a     
A-a     
Large size
SCH diagram
Guide page
Detailed page
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or 
"ELECTRICAL PARTS LIST".
A-a
A
BFC
Switch
EW,
A
AMP PCB
CROSS OVER
MUTE
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GM-D500M/XH/EW
3. SCHEMATIC DIAGRAM
3.1 SCHEMATIC DIAGRAM (GUIDE PAGE)
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A-b
A B
W, ES
HEK0030
HEK0030
42µH
11µH
1µH
FU601
FU602
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2    2R2
0.022    R022
← 
← 
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation. 
Symbol indicates a resistor.
No differentiation is made  between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made  between chip capacitors and
discrete capacitors.
>
>
B
CONNECTOR PCB
AMP UNIT
Consists of
   AMP PCB
   CONNECTOR PCB
PROTECTOR
Beads Core
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A-a A-b
A-a
A-a
A-b
1
2
A
AMP PCB
CROSS OVER
MUTE
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A-a A-b
A-a
A-a
A-b B
3
4
5
BFC
Switch
EW, ES
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A
GM-D500M/XH/EW
A-a A-b
A-b
1
2
1µH
42µH
11µH
AMP UNIT
Consists of
   AMP PCB
   CONNECTOR PCB
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A-a A-b
A-b B
2
3
4
5
Beads Core
HEK0030
HEK0030
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2    2R2
0.022    R022
← 
← 
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation. 
Symbol indicates a resistor.
No differentiation is made  between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made  between chip capacitors and
discrete capacitors.
>
>
B
CONNECTOR PCB
PROTECTOR
FU601
FU602
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Capacitor
Connector
P.C.Board
Chip Part
A
A  AMP PCB
SIDE B
SIDE A
NOTE FOR PCB DIAGRAMS
1.The parts mounted on this PCB
    include all necessary parts for
    several destination.
    For further information for
    respective destinations, be sure
    to check with the schematic dia-
    gram.
2.Viewpoint of PCB diagrams
14
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A
GM-D500M/XH/EW
4. PCB CONNECTION DIAGRAM
4.1 AMP PCB
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A
SIDE A
1
2
3
4
2
3
1
B
CN704
B
CN702
B
CN703
FRONT
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A
GM-D500M/XH/EW
A
A  AMP PCB
1
1
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A
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GM-D500M/XH/EW
A
SIDE B
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A
GM-D500M/XH/EW
4.2 CONNECTOR PCB
B
B CONNECTOR PCB
B CONNECTOR PCB
SIDE A
SIDE B
A
A
A
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5
6
7
8
F
E
D
C
B
A
5
6
7
8
GM-D500M/XH/EW
AMP UNIT
Consists of
AMP PCB
CONNECTOR PCB
Unit Number : HWH0187 (EW)
Unit Number : HWH0186 (UC)
Unit Number : HWH0188 (ES)
Unit Name
: Amp Unit
MISCELLANEOUS
IC
101
IC
NJM2068D
IC
102
IC
NJM2068D
IC
201
IC
NJM2068MD
IC
401
IC
TDA7570
IC
601
IC
PA2027A
IC
602
IC
UPC494C
IC
801
IC
NJM2068D
IC
802
IC
NJM2068D
Q
201
Transistor
KSA1175
Q
202
Transistor
KCS2785
Q
401
FET
STP12PF06
Q
402
FET
STP12PF06
Q
403
FET
STP16NF06
Q
404
FET
STP16NF06
Q
405
FET
STP12PF06
Q
406
FET
STP12PF06
Q
407
FET
STP16NF06
Q
408
FET
STP16NF06
Q
601
Transistor
KCS2785
Q
602
Transistor
KSA1175
Q
603
Transistor
2SB1243
Q
604
Transistor
KSA1175
Q
606
Transistor
2SD1919
Q
607
Transistor
2SD1919
Q
608
Transistor
2SB1277
Q
609
Transistor
2SB1277
Q
610
FET
STP50NE08
Q
611
FET
STP50NE08
Q
612
FET
STP50NE08
Q
613
FET
STP50NE08
Q
614
FET
STP50NE08
Q
615
FET
STP50NE08
Q
618
Transistor
KSA1175
Q
619
Transistor
KSA1175
Q
620
Transistor
KCS2785
Q
621
Transistor
KCS2785
Q
622
Transistor
2SD2395
Q
623
Transistor
2SB1566
Q
905
Transistor
KSA1175
Q
906
Transistor
KCS2785
Q
907
Transistor
KCS2785
Q
908
Transistor
KCS2785
Q
909
Transistor
KSA1175
D
201
Diode
1SS133
D
601
Diode
RM4Z-LFJ4
D
602
Diode
HZS7L(B2)
D
603
Diode
1SS133
D
606
Diode
1SS133
D
607
Diode
1SS133
D
608
Diode
1SS133
D
609
Diode
1SS133
D
610
Diode
FML22R
D
611
Diode
FML22S
D
612
Diode
HZS16L(1)
D
613
Diode
HZS16L(1)
D
614
Diode
ERA15-02VH
D
615
Diode
ERA15-02VH
D
616
Diode
1SS133
D
617
Diode
1SS133
D
901
Diode
1SS133
D
910
LED
DB3804X
L
401
Choke Coil 11µH
HTH0002
L
402
Choke Coil 42µH
HTH0002
L
403
Choke Coil 1µH
HTH0003
L
601
Coil
HTH0004
L
801
Ferri-Inductor
CTF1007
L
802
Ferri-Inductor
CTF1007
T
601
Transformer
HTT0022
TH
601
Thermistor
CCX1013
TH
602
Thermistor
CCX1013
TH
603
Thermistor
HCX0001
TH
604
Thermistor
HCX0001
S
601
Switch (BFC)(EW, ES)
HSH-156
VR
101
Volume 20kΩ(E)
HCS0002
VR
201
Variable Resistor 10kΩ(A)
CCS1265
VR
601
Semi-fixed
RH063MC15R
FU
601
Fuse (30A)
HEK0030
FU
602
Fuse (30A)
HEK0030
Beads Core
HTF0001
RESISTORS
R
101
RS1/16S432J
R
102
RS1/16S432J
R
103
RS1/16S432J
R
104
RS1/16S432J
R
105
RS1/16S432J
R
106
RS1/16S432J
R
107
RS1/16S432J
R
108
RS1/16S432J
R
201
RS1/16S222J
R
202
RS1/16S222J
5. ELECTRICAL PARTS LIST
NOTE:
- Parts whose parts numbers are omitted are subject to being not supplied.
- The part numbers shown below indicate chip components.
Chip Resistor
RS1/_S___J,RS1/__S___J
Chip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
A
B
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1
2
3
4
1
2
3
4
F
E
D
C
B
A
GM-D500M/XH/EW
R
203
RS1/16S300J
R
204
RS1/16S300J
R
206
RS1/16S472J
R
207
RD1/4PU223J
R
208
RD1/4PU223J
R
209
RD1/4PU102J
R
210
RD1/4PU202J
R
211
RD1/4PU223J
R
212
RD1/4PU103J
R
213
RD1/4PU333J
R
215
RS1/16S123J
R
216
RS1/16S123J
R
217
RS1/16S222J
R
218
RS1/16S222J
R
401
RD1/4PU102J
R
402
RD1/4PU102J
R
403
RD1/4PU102J
R
404
RD1/4PU102J
R
405
RD1/4PU512J
R
406
RD1/4PU512J
R
407
RS1/16S474J
R
408
RS1/16S474J
R
409
RS1/16S472J
R
410
RS1/16S472J
R
411
RS1/16S101J
R
412
RS1/16S101J
R
413
RS1/16S752J
R
414
RS1/16S752J
R
415
RD1/4PU100J
R
416
RD1/4PU100J
R
417
RD1/4PU270J
R
418
RD1/4PU270J
R
419
RD1/4PU270J
R
420
RD1/4PU270J
R
421
RD1/4PU100J
R
422
RD1/4PU100J
R
423
RS1/16S474J
R
424
RS1/16S474J
R
425
RS1/16S472J
R
426
RS1/16S472J
R
427
RS1/16S101J
R
428
RS1/16S101J
R
429
RS1/16S752J
R
430
RS1/16S752J
R
431
24Ω
HCN0006
R
433
6.8Ω
HCN0002
R
451
RS1/16S103J
R
452
RS1/16S103J
R
453
RS1/16S103J
R
454
RS1/16S103J
R
455
RS1/16S101J
R
456
0.01Ω
HCN0003
R
457
0.01Ω
HCN0003
R
458
0.01Ω
HCN0003
R
459
0.01Ω
HCN0003
R
461
RS1/2PMF102J
R
462
RS1/2PMF102J
R
466
24Ω
HCN0006
R
601
RD1/4PU102J
R
602
RD1/4PU473J
R
603
RD1/4PU103J
R
604
RD1/4PU103J
R
605
RD1/4PU222J
R
606
RD1/4PU472J
R
607
RD1/4PU472J
R
608
RD1/4PU103J
R
609
RD1/4PU103J
R
610
RD1/4PU103J
R
611
RD1/4PU472J
R
612
RD1/4PU101J
R
613
RD1/4PU221J
R
614
RD1/4PU102J
R
615
RD1/4PU221J
R
616
RS1/16S101J
R
617
RS1/16S103J
R
618
RS1/16S223J
R
619
RS1/16S202J
R
620
RS1/16S473J
R
621
RS1/16S102J
R
622
RS1/16S153J
R
623
(EW, ES)
RD1/4PU105J
R
625
RD1/4PU332J
R
626
RD1/4PU332J
R
627
RS1/16S472J
R
628
RS1/16S472J
R
629
RD1/4PU272J
R
630
RD1/4PU272J
R
631
RD1/4PU272J
R
632
RS1/16S472J
R
633
RS1/2PMF121J
R
634
RS1/2PMF121J
R
635
RS1/2PMF121J
R
636
RS1/2PMF121J
R
637
RS1/2PMF121J
R
638
RS1/2PMF121J
R
641
RD1/4PU472J
R
642
RD1/4PU472J
R
643
RS1/2PMF220J
R
645
RS1/2PMF100J
R
646
RS1/2PMF100J
R
647
RD1/4PU472J
R
648
RD1/4PU472J
R
649
RS1/2PMF220J
R
650
RS1/16S104J
R
652
RS1/16S912J
R
654
RD1/4PU123J
R
655
RD1/4PU223J
R
656
RD1/4PU223J
R
657
RS1/16S124J
R
658
RS1/16S472J
R
659
RS1/16S472J
R
660
RS1/16S123J
R
661
RS1/16S182J
R
662
RS1/16S223J
R
663
RS1/16S182J
R
664
RS1/16S153J
R
665
RS1/2PMF100J
R
666
RS1/2PMF100J
R
667
RS1/16S272J
R
801
RS1/16S471J
R
802
RS1/16S471J
R
803
RS1/16S223J
R
804
RS1/16S223J
R
805
RN1/10SE1002D
R
806
RN1/10SE1002D
R
807
RN1/10SE1002D
R
808
RN1/10SE1002D
R
809
RN1/10SE1002D
R
810
RN1/10SE1002D
R
811
RN1/10SE1002D
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
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F
E
D
C
B
A
5
6
7
8
GM-D500M/XH/EW
R
812
RN1/10SE1002D
R
905
RD1/4PU473J
R
906
RS1/16S473J
R
917
RD1/4PU104J
R
918
RD1/4PU472J
R
919
RD1/4PU103J
R
920
RD1/4PU222J
R
921
RD1/4PU472J
R
922
RD1/4PU221J
R
923
RD1/4PU222J
R
924
RD1/4PU563J
R
930
RD1/4PU331J
R
931
RD1/4PU331J
CAPACITORS
C
101
CFTNA154J50
C
102
CFTNA154J50
C
103
CFTNA473J50
C
104
CFTNA473J50
C
105
CFTNA154J50
C
106
CFTNA154J50
C
108
CFTNA474J50
C
109
CFTNA474J50
C
201
CEAT100M50
C
202
CEAT100M50
C
203
CCSRCH150J50
C
204
CCSRCH150J50
C
401
CEAT100M50
C
402
CEAT100M50
C
403
CEAT100M50
C
404
CEAT100M50
C
405
CQMA222J50
C
406
CQMA222J50
C
407
CQMA332J50
C
408
CQMA332J50
C
409
CQMA222J50
C
410
CQMA222J50
C
411
CQMA332J50
C
412
CQMA332J50
C
413
4.7µF
HCH0017
C
414
1µF
HCH0019
C
415
CEAT100M63
C
416
CEAT100M63
C
417
CKSRYB183K50
C
418
CKSRYB183K50
C
419
CQMA471J100
C
421
4.7µF
HCH0017
C
422
4.7µF
HCH0017
C
423
1µF
HCH0019
C
424
1µF
HCH0019
C
427
CFTNA104J50
C
428
CFTNA104J50
C
429
CFTNA474J63
C
430
CEANP4R7M63
C
440
CFTNA103J50
C
441
CFTNA103J63
C
442
CKSRYB103K50
C
443
CKSRYB103K50
C
451
CEAT1R0M50
C
452
CEAT1R0M50
C
453
CFTNA104J50
C
454
CFTNA104J50
C
455
CFTNA394J63
C
456
CEAT100M63
C
457
CEAT100M50
C
458
CEAT100M50
C
459
CFTNA104J50
C
460
CFTNA104J50
C
461
CFTNA224J50
C
462
CFTNA104J50
C
463
CKSRYB222K50
C
464
CKSRYB222K50
C
465
CKSRYB222K50
C
469
CKSRYB331K50
C
470
CKSRYB331K50
C
471
CKSRYB331K50
C
472
CKSRYB331K50
C
473
CKSRYB331K50
C
474
CKSRYB331K50
C
475
CKSRYB331K50
C
476
CKSRYB331K50
C
477
CKSRYB331K50
C
478
CKSRYB331K50
C
479
CKSRYB331K50
C
480
CKSRYB331K50
C
481
CKSRYB331K50
C
482
CKSRYB331K50
C
483
CKSRYB331K50
C
484
CKSRYB331K50
C
485
CFTNA474J50
C
601
CFTNA103J50
C
602
CFTNA224J50
C
603
CFTNA103J50
C
604
CFTNA103J50
C
605
CFTNA103J50
C
606
CFTNA103J50
C
607
CEAT100M16
C
608
CEAT100M16
C
609
CEAT101M16
C
610
CKCYF103Z50
C
611
CEAT220M50
C
612
470µF/16V
HCH0013
C
613
CFTNA104J50
C
614
CFTNA104J50
C
615
CEAT100M16
C
616
CEAT221M10
C
617
CQMA102J50
C
618
CEAT2R2M50
C
619
CEAT470M50
C
620
CQMA472J50
C
621
CQMA472J50
C
622
CQMA102J50
C
623
3900µF/16V
HCH0018
C
624
3900µF/16V
HCH0018
C
625
3900µF/16V
HCH0018
C
627
CFTNA154J50
C
631
CEAT221M35
C
632
CEAT221M35
C
633
CEATR10M50
C
634
CEATR10M50
C
635
CEAT470M50
C
636
CEAT470M50
C
637
CFTNA103J50
C
638
CFTNA103J50
C
639
CKSRYB222K50
C
640
CKSRYB222K50
C
643
CKCYB472K50
C
644
CQMA102J50
C
651
3300µF/16V
HCH0006
C
652
3300µF/16V
HCH0006
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
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1
2
3
4
1
2
3
4
F
E
D
C
B
A
GM-D500M/XH/EW
C
653
3300µF/16V
HCH0006
C
654
3300µF/16V
HCH0006
C
655
3300µF/16V
HCH0006
C
656
3300µF/16V
HCH0006
C
657
CFTNA103J50
C
658
CKSRYB103K50
C
659
CKSRYB103K50
C
660
CKSRYB103K50
C
661
CKSRYB103K50
C
662
CKSRYB103K50
C
663
CKSRYB103K50
C
664
CKSRYB103K50
C
701
CKCYB472K50
C
702
CKSRYB222K50
C
703
CKSRYB222K50
C
801
CKSRYB471K50
C
802
CKSRYB471K50
C
803
CEAT100M16
C
804
CEAT100M16
C
805
CQMA472J50
C
806
CQMA472J50
C
807
CCSRCH470J50
C
808
CCSRCH470J50
C
809
CCSRCH271J50
C
810
CCSRCH271J50
C
811
CKSRYB222K50
C
901
220µF/10V
HCH0012
=====Circuit Symbol and No.===Part Name
Part No.
---
------
------------------------------------------
-------------------------
6. ADJUSTMENT
There is no information to be shown in this chapter.
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5
6
7
8
F
E
D
C
B
A
5
6
7
8
GM-D500M/XH/EW
7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 DISASSEMBLY
Remove the three screws. 
- Removing the Amp PCB (Fig.2)
1
Fig.2
- Removing the Case (Fig.1)
Amp PCB
1
Remove the six screws and then 
remove the Case. 
2
Remove the screw.
1
2
2
2
2
2
Case
Fig.1
1
1
1
2
2
Remove the screw and then remove 
the Amp PCB. 
2
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1
2
3
4
1
2
3
4
F
E
D
C
B
A
GM-D500M/XH/EW
7.1.2 CONNECTOR FUNCTION DESCRIPTION
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F
E
D
C
B
A
5
6
7
8
GM-D500M/XH/EW
7.2 IC
LEFT
CHANNEL
SIGNAL
PROCESSING
TERM.
CLIP
INTERFACE
CHANNEL LEFT
HSD + 
PROTECTIONS
CHANNEL LEFT
LSD + 
PROTECTIONS
RIGHT
CHANNEL
SIGNAL
PROCESSING
CHANNEL RIGHT
HSD + 
PROTECTIONS
CHANNEL RIGHT
LSD + 
PROTECTIONS
REF
OSC
INTERFACE
20 NC
19 NC
18 GPL
17 GPLS
16 NC
15 -Vs+5
14 SPL2
13 SPL1
12 +Vs
11 NC
10 PGND
9
+Vs-VReff
8
SPR1
7
SPR2
6
+Vs-5
5
GPRS
4
GPR
3
NC
2
NC
1
NC
32 DGND
31 CD
30 CDsel2
29 CDsel1
28 FEED L in
27 -Vs2
26 -Vs1
25 -Vs+VRefl
24 SNL1
23 SNL2
22 GNLS
21 GNL
52 -2.5V
51 NC
50 INR-
49 INR+
48 NC
47 NC
46 INL+
45 INL-
44 NC
43 NC
42 +Vs-Low
41 NC
40 5V DIG
39 NC
38 NTC
37 THWext
36 THWint
35 NC
34 O0-15
33 I-OFCLK
SGND  53
2.5V 54
MUTE 55
STBY 56
Feed R in 57
-Vs3 58
-Vs4 59
-Vs+VRefr  60
SNR1 61
SNR2  62
GNRS  63
GNR  64
TDA7570
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
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1
3
6
7
3
Q
Q
TEL  13942296513  QQ  376315150  892498299 
TEL  13942296513  QQ  376315150  892498299 
http://www.xiaoyu163.com
26
1
2
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2
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F
E
D
C
B
A
GM-D500M/XH/EW
8. OPERATIONS
Bass Level Control
If the sound level is too low, even when
the volume of the car stereo used along
with this power amplifier is turned up,
turn bass level control on the front of
the power amplifier clockwise. If the
sound distorts when the volume is
turned up, turn the bass level control
counter-clockwise.
• When using with an RCA equipped car
stereo (standard output of 500 mV), set to
the NORMAL position. When using with
an RCA equipped Pioneer car stereo with
max. output of 4 V or more, adjust level to
match the car stereo output level.
• When you want to boost bass, turn the
bass level control clockwise.
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an
MW/LW broadcast with your car stereo,
change the BFC switch using a small
standard tip screwdriver.
Cut Off Frequency Control
You can select a cut off frequency from
40 to 240 Hz.
Power Indicator
The power indicator lights when the
power is switched on.
EW, ES 
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
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      ),
      'template' => 
      array (
        'pagesize' => '20',
        'mpagesize' => '20',
        'list' => 'list.html',
        'category' => 'category.html',
        'search' => 'search.html',
        'show' => 'show.html',
      ),
      'cat_field' => NULL,
      'module_field' => NULL,
      'urlrule' => 4,
      'html' => 0,
      'chtml' => 0,
    ),
    'displayorder' => '0',
    'icon' => '',
    'index' => '2',
    'mid' => 'wenku',
    'pcatpost' => 0,
    'topid' => '5',
    'catids' => 
    array (
      0 => '14',
    ),
    'is_post' => 1,
    'tid' => 1,
    'url' => 'http://www.wenhuiw.com/wenku/jixie',
    'total' => '请使用count标签查询',
    'field' => 
    array (
    ),
  ),
  15 => 
  array (
    'id' => '15',
    'pid' => '5',
    'pids' => '0,5',
    'name' => '能源动力',
    'dirname' => 'nydl',
    'pdirname' => 'hangye/',
    'child' => 0,
    'disabled' => '0',
    'ismain' => 1,
    'childids' => 15,
    'thumb' => '',
    'show' => '1',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'getchild' => '0',
      'notedit' => '0',
      'seo' => 
      array (
      ),
      'template' => 
      array (
        'pagesize' => '20',
        'mpagesize' => '20',
        'list' => 'list.html',
        'category' => 'category.html',
        'search' => 'search.html',
        'show' => 'show.html',
      ),
      'cat_field' => NULL,
      'module_field' => NULL,
      'urlrule' => 4,
      'html' => 0,
      'chtml' => 0,
    ),
    'displayorder' => '0',
    'icon' => '',
    'index' => '2',
    'mid' => 'wenku',
    'pcatpost' => 0,
    'topid' => '5',
    'catids' => 
    array (
      0 => '15',
    ),
    'is_post' => 1,
    'tid' => 1,
    'url' => 'http://www.wenhuiw.com/wenku/nydl',
    'total' => '请使用count标签查询',
    'field' => 
    array (
    ),
  ),
  16 => 
  array (
    'id' => '16',
    'pid' => '5',
    'pids' => '0,5',
    'name' => '电气工控',
    'dirname' => 'dqgk',
    'pdirname' => 'hangye/',
    'child' => 0,
    'disabled' => '0',
    'ismain' => 1,
    'childids' => 16,
    'thumb' => '',
    'show' => '1',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'getchild' => '0',
      'notedit' => '0',
      'seo' => 
      array (
      ),
      'template' => 
      array (
        'pagesize' => '20',
        'mpagesize' => '20',
        'list' => 'list.html',
        'category' => 'category.html',
        'search' => 'search.html',
        'show' => 'show.html',
      ),
      'cat_field' => NULL,
      'module_field' => NULL,
      'urlrule' => 4,
      'html' => 0,
      'chtml' => 0,
    ),
    'displayorder' => '0',
    'icon' => '',
    'index' => '2',
    'mid' => 'wenku',
    'pcatpost' => 0,
    'topid' => '5',
    'catids' => 
    array (
      0 => '16',
    ),
    'is_post' => 1,
    'tid' => 1,
    'url' => 'http://www.wenhuiw.com/wenku/dqgk',
    'total' => '请使用count标签查询',
    'field' => 
    array (
    ),
  ),
)

'/index.php?s=wenku&c=show&id=15631&page=[page]'

''

'http://www.wenhuiw.com/wenku/a15631.html'

array (
  's' => 'wenku',
  'c' => 'show',
  'id' => '15631',
  'm' => 'index',
)