Pioneer GM-DX975/XEVEL Service Manual - Page 14
Browse online or download pdf Service Manual for Amplifier Pioneer GM-DX975/XEVEL. Pioneer GM-DX975/XEVEL 22 pages. Class d five-channel amplifier
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10. SCHEMATIC DIAGRAM
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
R18
10K-D
R320
FB106
0
JK1-C
R93
AL+
C189
RCA INPUT A
AL-
NM
A-CH
NM
470
AR+
R
C
- A
N I
A
R
-
RCA-613F
IC51
NJM4580CG
C196
R80
NM
10K-D
KRC111S
R321
0
Q29
Q31
SCREW
KRA105S
SC10
R322
0
C195
R119
10K-D
NM
IC1
NJM4580CG
FB6
C190
R117
NM
NM
470
R323
0
R126
CON1
TJC20029-2x4AW
10K-D
8
7
6
SP INPUT
5
4
3
2
SC11
1
BL+
7
8
AL+
BL-
5
6
AL-
BR-
3
4
AR-
BR+
1
2
AR+
SPEAKER LEVEL IN
R172
10K-D
R324
JK1-B
0
FB1
C191
R149
BL+
RCA INPUT B
B-CH
BL-
NM
470
NM
RCA-IN
BR+
BR-
RCA-613F
R325
IC7
NJM4580CG
0
C193
R176
NM
10K-D
SC9
R326
0
C194
R192
NM
10K-D
IC17
NJM4580CG
R327
0
FB2
C192
R241
NM
NM
470
R214
10K-D
SC8
IC13
NJM4580CG
FB5
R53
NM
10K-D
JK1-A
FB8
R228
SL+
SL-
NM
10K-D
SUB-CH
RCA SW INPUT
SR+
SR-
C184
RCA-613F
10N/50V
FB7
NM
IC18
FB3
NM
R59
10K-D
C166
10N/50V
R227
NJM4580CG
AGND1
D36
10K-D
KDS122
NOTE :
Symbol indicates a resistor.
No differentiation is made between chip
resistors and discrete resistors.
Symbol indicates a capacitor.
No differentiation is made between chip
capacitors and discrete capacitors.
NM : No Mount
The > mark found on some component
parts indicates the importance of the safety
factor of the part.
Therefore, when replacing, be sure to use
A
parts of identical designation.
C56
R521
10K
22/50V
C95
C215
R94
C92
68N-M/100V
4K7
33/50V
22/50V
C514
68N-M/100V
IC19
IC502
IC9
NJM4580CG
NJM4580CG
NJM4580CG
R518
5K6
VR501-A
R99
C50K*4
2
R98
1
3
4K7
4K7
Q32
Q33
C50K*4
5
KTC2875B
KTC2875B
4
6
A_FREQ
VR501-C
C50K*4
8
VR2
7
9
B10K*2
VR501-D
A_GAIN
11
C50K*4
10
12
C216
IC6
33/50V
NJM4580CG
C542
IC8
NJM4580CG
68N-M/100V
Q13
R539
Q12
Q15
Q28
KTC2875B
KTC2875B
KTC2875B
KTC2875B
5K6
SW503
CSS-2219
2CH-4CH INPUT
6
3
2CH
5
2
INPUT SEL
4
1
4CH
C114
R144
10K
22/50V
C118
C217
R184
C158
68N-M/100V
4K7
33/50V
22/50V
C111
68N-M/100V
IC4
IC14
IC12
NJM4580CG
NJM4580CG
NJM4580CG
R112
5K6
VR1-A
2
R188
C50K*4
R187
1
3
4K7
4K7
Q48
Q49
VR1-B
C50K*4
5
KTC2875B
4
6
KTC2875B
B_FREQ
VR1-C
8
C50K*4
7
9
VR3
B10K*2
VR1-D
B_GAIN
11
C50K*4
10
12
C218
33/50V
IC5
NJM4580CG
C112
IC11
NJM4580CG
68N-M/100V
Q45
R111
Q42
Q43
Q44
KTC2875B
KTC2875B
KTC2875B
KTC2875B
5K6
R230
R249
R266
C180
10K-D
6K2
100
22/50V
R195
R256
33K
10K-D
R255
33K
R262
33K
IC10
IC24
R265
33K
NJM4580CG
NJM4580CG
C185
R250
10N/50V
R189
6K2
R252
10K-D
100
R178
10K-D
IC23
NJM4580CG
Q70
KRA105S
ZD11
Q71
LUDZS5.1BT1G
KTA1504G
Q86
Q87
KRA105S
KRA105S
R310
22K
D80
R311
22K
TRANS
C80
LBAS16HT1G
100N/50V
IC3
LM2901DR
1OUT
OUT3
OUT2
OUT4
VCC
GND
D15
2IN-
4IN+
2IN+
4IN-
FET
LBAS16HT1G
1IN-
3IN+
1IN+
3IN-
R279
22K
TH3
NTC-5K
HEAT SINK
D16
LBAS16HT1G
R331
0
C538
R522
R101
R527
AL
NJM4580CG
1K8
2K2-F
1K-F
C89
47/25V
C534
R285
Q52
10N/50V
KTC2875B
47/25V
18K
5
6
7
8
R286
18K
IC25
Q53
1
2
3
4
KTC2875B
C539
R107
R104
R125
1K8
2K2-F
47/25V
1K-F
C516
47/25V
R140
R199
R151
1K8
R287
2K2-F
1K-F
Q54
KTC2875B
18K
R288
Q55
KTC2875B
18K
R201
R203
R202
1K8
2K2-F
1K-F
R64
15K
Q60
C83
KRC102S
R314
100N/50V
0
Q61
KTC3875
R216
D62
LBAS16HT1G
4K7
L9
0-2012
5
6
7
8
1
2
3
4
C157
R563
6K8F
47uF/35V
R291
Q26
NM
NM
C550
10uF/25V-2012
22uF/16V-3216
C156
C553
UV/OV DETECT
10uF/25V-2012
R278
1K-F
KRC102S
Q19
R246
C211
4K7
Q25
2U2/25V
KTC2875B
R317
NM
-5V
LED-B
11
LED-A
10
+5V
5V
9
B
SUB
8
AB
7
OUT
6
+15V
5
CN55
GND
4
GND
3
-15V
2
N/C
1
CN2
C12541-H215-11G-36
D44
D42
LBAS16HT1G
LBAS16HT1G
D70
KDS121
R20
R12
1
10K
33K
3
C29
2
10N/50V
SC7
Q74
KTA1504G
Q73
GND1
R10
KRC111S
2K2
Q8
Q10
Q22
Q72
KRC111S
Q17
Q20
KTC4379
IRF3205
IRF3205
KTA1504G
R31
IRF3205
C145
ZD7
100
1000uF/25V
LUDZS9.1BT1G
C146
R16
Q11
1000uF/25V
3K9
KTA1666
C147
R11
Q7
1000uF/25V
KTA1666
4K7
C148
1000uF/25V
C149
R17
1000uF/25V
16
15
14
13
12
11
10
9
100
Q16
Q21
Q23
Q3
IRF3205
IRF3205
IRF3205
KTC4379
C152
22N/50V
C11
Q14
1
2
3
4
5
6
7
8
100/16V
KTA1040D
R237
820-3216
Q4
KTA1504G
R55
820-3216
R26
22K
R21
R306
D46
C71
Q40
10K
R182
Q2
NM
NM
NM
NM
MMBT5551
47K
A
P.C.B TOTAL ASSY(MAIN)
CHASSIS GND
SC5
SC6
C638
AR
100N/100V-2012
D
R623
G
10
S
L500
10UH
D
R624
G
10
R620
S
C639
R622
4R7
100N/100V-2012
27K
D509
R618
22uF/16V-3216
4K7
5K6
LBAS16HT1G
C660
R617
C596
C640
AL
D508
R619
100N/100V-2012
22uF/16V-3216
D
R630
LBAS16HT1G
4R7
G
10
NPO 2N2/50V
NPO 2N2/50V
R631
27K
S
L501
C552
C544
R561
C545
10UH
D
1N/50V
36
35
34
33
32
31
30
29
28
27
26
25
120-F
R629
D511
G
NPO 2N2/50V
NPO 2N2/50V
LBAS16HT1G
4R7
10
37
COMP3
VB3
24
C641
C533
C531
R628
S
R560
C529
38
IN3
CSH3
23
R626
5K6
39
COMP4
LO3
22
1N/50V
100N/100V-2012
120-F
C587
40
IN4
LO4
21
R562
C588
10N/50V
10-2012
22uF/6.3V-2012
41
GND
COM2
20
49
-5V
42
VSS
NC
19
C586
22uF/6.3V-2012
43
VAA
NC
18
C642
IC516
R637
BR
44
IN2
IRS2093MPbF
VCC2
17
R589
4R7
100N/100V-2012
LBAS16HT1G
R638
D
45
COMP2
LO2
16
10-2012
D512
4R7
R635
IN1
46
LO1
15
R590
C589
R642
D513
G
1N/50V
47
COMP1
CSH1
14
LBAS16HT1G
10
C590
5K6
C591
120-F
48
CSD
VB1
13
S
NPO 2N2/50V
R632
L502
27K
NPO 2N2/50V
R592
C593
1N/50V
10UH
D
1
2
3
4
5
6
7
8
9
10
11
12
R634
C592
120-F
10
NPO 2N2/50V
C594
G
NPO 2N2/50V
Q24
S
KTC2026
UV/OV DETECT
C643
100N/100V-2012
C663
C601
D514
22uF/16V-3216
R646
22uF/16V-3216
4R7
C644
LBAS16HT1G
BL
D
100N/100V-2012
R636
G
R674
R647
D515
10
S
L503
4K7
5K6
LBAS16HT1G
R648
10UH
D
R633
27K
G
10
S
C645
100N/100V-2012
R612
R543
47K-F
47K-F
D5
ES1D
Q510
CPH3223
IC58
IRS2092S
1.3
R569
5
VAA
CSH
Q38
Q27
1.4
12N/50V
0
5K6
IRF4227PBF
GND
VB
IRF4227PBF
L2
C554
1.3
0
50uH
IN-
HO
C555
0
1.4
C556
COMP
VS
R572
1N/50V
4.98
-56
Q558
10N/50V
-4.88
CSD
VCC
-62.2
KTC4370A
10
R235
-62.5
VSS
LO
-67.9
COM
6K8
-62.5
VREF
-67.8
DT
OCSET
R289
15K
Q35
Q18
C49
IRF4227PBF
IRF4227PBF
100N/50V
Q56
KTC3875
3
1
2
D29
MBRF20200CT
D28
MBRF20200CTR
3
2
1
R41
Q51
10/1W-RADIAL
KTC2026
60MM-3T
2
IC22
L40
LM78L05F
T1
1
T4916
3
D25
10
MBRF20200CT
1
9
3
8
L6
2
7
4
6
0-2012
5
D24
MBRF20200CTR
1
L41
3
2
IC21
LM79L05F
60MM-3T
SC4
R42
Q50
KTA1046
10/1W-RADIAL
CHASSIS_GND4
L7
65.4uH
MMBT5551
POWER
Q1
ZD2
R313
LUDZS15BT1G
1K-3216
Vbat(+14.4V)
1
2
REMOTE
S.CONTROL
0
R29
3
GND
GND
POWER2
WB03-33CDBH
JMP1
60MM-3T
SC2
SC1
R27
LUDZS7.5BT1G
CHASSIS_GND1
R56
SCREW
10K
ZD3
2K2-3216
SC12
SC3
CH A
CHASSIS_GND6
SPEAKER
JK501
JSZ4-90CDBH
CH BRIDGE
OUTPUT
1
AR+
2
AR-
3
AL-
AL+
4
Rch BRIDGE
1
BR+
2
BR-
3
BL-
Lch BRIDGE
4
BL+
CH B
JK503
JSZ4-90CDBH
SPEAKER
OUTPUT
C155
100N/250V-3216
C154
100N/250V-3216
C55
100N/250V-3216
C54
100N/250V-3216
CHASSIS_GND5
SPK2P
SUBWOOFER
L1
2
SW+
3uH
1
SW-
OUTPUT
JK502
WB02-36CDBH
C50
100/25V
R225
1K
R223
7K5
Q37
MMBT5551
DC OFFSET
A