GM-D8500M/XSUC
18
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2
3
4
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2
3
4
C
D
F
A
B
E
10. SCHEMATIC DIAGRAM
10.1 AMP UNIT(GUIDE PAGE)
A
A-a
A-a
A-b
A-a
A-b
A-b
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".
B
-1
GND
+VH(+60V)
EVRoutB
-16V
Ctrl
+16V
+5V
-16V
GND
VcntA
EVRoutA
OPoutA
+VH(+60V)
-VH(-60V)
[BASSBOOST]
GND
+5V
4:23
V+
[OFFSET ADJ]
-OPinA
[PRE A
+16V
VCC
E2
G
Inv
Non-Inv1
DTCON
E1
Inv2
Non-Inv2
Oput
RetOut
C2
+OPinA
-2
-2
-1
[LOW PASS FILTER]
[BUFFER/ISOLATOR]
-2
-1
-2
Ctrl
-1
REFin
+5V
OPoutB
+16V
-OPinB
-1
+OPinB
[GAIN ADJUSTOR]
Vref
GND
GND
[RCA/SP IN]
VcntB
[MUTE]
-VH+13V(-47V)
+5V
-16V
+16V
-VH(-60V)
-VH(-60V)
[POWER SUPPLY]
[+VH ADJ]
+16V
RCA
SP
-2
-VH(-60V)
+5V
-16V
-VH+13V
GND
C633
472/50
C644
104/100
C645
104/100
R113
1002
CCN1152
IC101
NJM2068MD
6
-
4
5
+
8
7
REM403
C401
NM
R401
622
R105
223
C642
CCH1703-
332/71
C643
CCH1703-
332/71
C181
102
C182
102
C109
223
YTT5008
T601
2
3
1
6
7
4
5
8
VR401
103
YCS5004
2
3
1
VR101
203
YCS5002
2
3
1
R104
471
C302
222
C106
100/50
IC102
NJM2068MD
2
-
4
3
+
8
1
C104
471
R108
1002
CCN1152
R635
332(1/4W)
C108
102
IC101
NJM2068MD
2
-
4
3
+
8
1
C107
102
SPI102
D
S
G
Q612
FKV550N
3
1
2
C101
100/50
C102
100/50
R513
184
C105
100/50
C111
271
R111
1002
CCN1152
C121
103
R652
100(1/2W)
VH603
VH604
REG603
REG601
REG604
REG602
R504
473
R647
220(1/2W)
D101
1SR154-400
Q609
2SB1188(QR)
3
1
2
ZNR102
CSA30-201N
R112
1002
CCN1152
R114
1002
CCN1152
REG606
D
S
G
Q616
FKV550N
3
1
2
VR102
103
CCS1265
2
3
1
C124
103
IC105
NJM4558MD
2
-
4
3
+
8
1
C506
470/16
D612
UDZS16(B)
D613
UDZS16(B)
GND
R106
223
C116
103
C632
474/16
R503
333
R501
393
IC502
NJM2172V
9
10
8
1
14
11
12
5
7
6
3
2
13
4
R512
182
R509
682
C503
1R0/50
IC501
NJM4558MD
2
-
4
3
+
8
1
C115
103
R107
1002
CCN1152
R633
683
C631
103/100
C628
105
R302
223
C117
103
GND
R128
682
BBR503
C502
104
R507
103
IC501
NJM4558MD
6
-
4
5
+
8
7
C505
100/50
BBR501
BBR502
UPC60
IC602
UPC494GS
10
11
9
15
12
13
16
14
R110
1002
D102
1SR154-400
C303
471
D
S
G
Q619
FKV550N
3
1
2
R646
121(1/2W)
DDC604
SPI101
D
S
G
Q618
FKV550N
3
1
2
C627
104
SPI104
REG605
GND
GND
C507
2R2/50
CN606
VNF1084
IC603
TA78L005AP
2
1
3
R101
683(1/4W)
R115
222
CN605
VNF1084
Q611
2SD1766(QR)
2
1
3
PRO601
PRO602
GND
R632
472
CN103
VNF1084
C629
223
RCA101
R118
272
RCA103
C511
NM
C512
NM
R506
102
R671
223
D
S
G
Q613
FKV550N
3
1
2
R941
392
D
S
G
Q615
FKV550N
3
1
2
C510
103
R944
471
C128
472
R645
121(1/2W)
DDC602
VH602
GND607
DDC601
DDC606
DDC605
VH601
D
S
G
Q614
FKV550N
3
1
2
C626
104
R301
223
C630
221/16
C650
470/25
D301
1SS355
VR301
CCP1506
2
3
1
Q941
NM
2
1
3
R656
220(1W)
L602
YTH5007
TH603
Q620
2SD2395
2
3
1
R642
121(1/2W)
R644
121(1/2W)
R639
121(1/2W)
R641
121(1/2W)
C504
100/50
C508
1R0/50
S101
CSH1042
2
3
1
6
7
4
5
8
9
10
12
11
CN101
YKB5009
2
3
1
4
R505
223
DDC603
C648
100/100
R182
333
R181
333
C112
271
L603
YTH5007
BBR504
R303
203
C634
472/50
C651
470/25
C653
103
C654
470/25
C639
102/250
Q621
2SB1566
3
1
2
D611
FML22R
3
2
1
C637
102/250
R648
220(1/2W)
C635
YCH5003
392/16
R309
223
Q608
2SD1766(QR)
2
3
1
Q610
2SB1188(QR)
3
1
2
R638
472(1/4W)
R640
121(1/2W)
C641
CCH1703-
332/71
C113
271
C652
103
R649
220(1/2W)
C636
YCH5003
392/16
C638
102/250
C114
271
R651
220(1/2W)
R119
272
C122
274/50
Q942
DTA124EUA
2
1
3
R122
470
R654
222(1/4W)
R650
220(1/2W)
GND
C301
220/50
R109
1002
CCN1152
R508
103
C103
471
R628
272
R631
472
R630
472
C123
154/50
R120
182
IC103
NJM4558MD
6
-
4
5
+
8
7
R310
562
R627
272
TH602
CCX1013
R116
222
CN401
CKS4962
3
2
4
1
C509
103
SPI103
ZNR101
CSA30-201N
R502
683
C658
334
C659
104
C655
470/25
470/25
C671
100/100
333(1W)
D614
1SS355
R103
471
RCA102
RCA104
LPF102
LPF101
C640
CCH1703-
332/71
C660
100/50
D610
FML22S
3
2
1
R304
153
R305
272
IC102
NJM2068MD
6
-
4
5
+
8
7
C110
223
C649
100/100
R402
821
REG607
D302
1SS355
D609
DAN202U
3
2
1
TH601
CCX1013
R653
100(1/2W)
R643
121(1/2W)
CN501
CKS4962
3
2
4
1
C118
103
C501
104
C656
103
R102
683(1/4W)
C657
103
D
S
G
Q617
FKV550N
3
1
2
R634
392
R655
222(1/4W)
REM402
R636
332(1/4W)
VR101
203
YCS5002
5
6
4
R637
472(1/4W)
R629
272
UPC603
UPC602
R127
682
C130
103
LPF103
LPF104
GAIN101
GAIN102
BBR505
L503
CTF1306
L502
CTF1306
L501
CTF1306
GND
REM401
B
REMOTE
PCB
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TEL 13942296513 QQ 376315150 892498299