Marantz SR-12S1 Service Manual Page 11

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11 12
1234
1
2
31
2
3
3
2
1
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
13
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
13
2
3
2
1
1
2
3
1
2
3
1
2
3
+18V
-18V
+18V
-18V
1
2
3
1
2
3
1
2
3
1
2
3
3
2
1
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
13
2
+18V
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
-18V
1
2
3
1
2
3
-18V
1
2
3
+18V 1
2
3
1
2
3
1
2
3
1
2
3
4
5
+18V
VH
1
2
3
4
1
2
3
4
For HEAT Sens.
164
253
164
253
164
253
451
326
VH
1
2
3
4
SDN
2
1
1
2
3
EH
1
2
3
4
5
164
253
164
253
VH
1
2
1
2
SCN
1
2
3
EH
1
2
3
1
2
3
1
2
3
2
3
7
8
1
9
EH
1
2
3
4
1
2
3
4
EH
1
2
3
4
1
2
3
4
1
2
3
4
5
6
VH
1
2
3
4
5
6
123 4
876 5
GND
1
2
3
EH
3
2
1
VH
1
2
3
1
2
3
8765
1234
1234
SDN
1
2
3
4
5
3
FL1
2
FL2
1
VKK
SAN
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
VH
1
2
1
2
1
2
3
1
2
3
For FAN Sens.
1
2
3
4
VH
1
2
3
4
1
2
VH
1
2
1
3
2
4
1
3
2
4
7
5
6
8
7
5
6
8
-18V
2
31
1
23
2
31
3
4
1
2
5
3
4
1
2
5
6
7
8
3
4
1
2
5
3
4
1
2
5
EH
1
2
EH
1
2
EH
1
2
1
2
3
4
5
6
EH
1
2
3
4
5
6
PH
1
2
PH
1
2
JB
1
2
PH
1
2
PH
1
2
JB
1
2
0.022
0.022
0.022
0.022
EH
1
AVSSOUT
2
PROTECT1
3
AVSSDET
4
PROTECT2
1
2
3
4
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
4
5
VH
1
2
3
4
5
VH
1
2
1
2
EH
1
AVSSDET
2
HEAT
3
PAMPFAIL
4
+18V-2
5
+18V
6
-18V
7
FAN-G
1
2
3
4
5
6
7
VH
1
2
1
2
VH
1
2
3
1
2
3
VH
1
2
3
1
2
3
VH
1
2
3
1
2
3
1
2
VH
1
2
1
2
3
VH
1
2
3
VH
1
2
3
4
5
12
12
1
1
1
1
1
2
2
2
2
2
1
10 1/4w
220/100V
1K
4.3V
33K
470
330p
100/50V
10p
33
2.2K
0.1x2 5w
10
1200p
330
100
330
330K
100
10/35V
1K
470
8.2V
0.022
330K
33K
10
10K
22K
10 1/4w
330
220/100V
220
8.2V
10/50V
1K
15K
47
100
0.01
47
47
15K
150
1K
33
10
2.2K
10 1w
150
330
330
470
22K
47
220
10
220/100V
8.2V
10p
1K
0.01
47
22K
2.2K
100
100
10 1/4w
33
470
330
47 33K
1K
330K
330p
1K
10/35V
8.2V
330
100/25V
150
10/50V
33
15K
15K
0.022
330K
1K
10 1/4w
10K
10
4.3V
1200p
2.2K
330
220/100V
10 1w
33K
0.1x2
5w
100
150
100/25V
22K
150
150
15K
10/35V
330K
1200p
33K
150
8.2V
2.2K
0.1x2 5w
15K
10 1/4W
1K
100/25V
150
0.022
100
100/25V
220/50V
33
330
33K
33
10 1w
100/25V
15K
470
330
470
10/50V
100
1K
1K
10 1/4w
330
10 1/4w
10 1w
10p
2.2K
470
100
220/100V
100
330
10
6.8K
33
330
1K
22K
47
330K
10p
10
47
0.01
33K
10K
10/35V
47
220
330K
330
1200p
8.2V
33
330p
330
4.3V
33K
0.022
330K
22K
330
220/100V
220/50V
10/50V
100/25V
470
47
15K
330p
1K
22K
1K
22K
1K
22K
22K
1K
10 1w
10 1w
0.022
0.022
0.022
10 1w
10
10
10
1/50V
1/50V
330 1/4w
330 1/4w
330 1/4w
330 1/4w
10K
4.7K
100p(N,S)
100p(N,S)
100p(N,S)
100p(N,S)
100p(N,S)
100p(N,S)
100p(N,S)
100p(N,S)
100p(N,S)
100p
330 1/4w
330 1/4w
100p
10K
4.7K
HEAD PHONES OUT
330 1w
330 1w
0.1
Dummy
Dummy
100/50V
220/50V
330 1/4W
1000/50V
330 1/4W
VSB24STB 16A
10K
0.1
4.7K
0.1
100p
15K
100 1/6W
100/25V
0.1
0.1
100/25V
0.1
0.1
1 1/4w
18000/71V
1 1/2W
3.3K
18000/71V
100 1/4W
100 1/4W
VSB24STB 16A
1 1/4W
470/50V
D25XB60
100p
100p
2.2K
100p
10K
10K
100p
4.7K
100/25V
18000/71V
18000/71V
4.7K
22K
220K
10 1/4W
78M18
79M18
78M18
0.1
100/25V
0.1
only SR8200
only SR8200
0.1(N,S)
0.1(N,S)
0.1(N,S)
0.1(N,S)
0.1(N,S)
47p
47p
47p
Dummy
47p47p
3.3K
0.1
22K22K
10K
10K
15K15K
33K
1000p
100K
15K15K
47/16V
0.1(N,S)
Dummy
0.1(N,S)
0.1(N,S)
0.1(N,S)
R143
C106
R126
D109
R105
R113
C102
C103
D101
C111
Q115
R116
R122
Q108
R132
R129
C104
R106
Q113
R124
R109
R119
Q112
R125
C105
D104
R135
Q110
Q104
Q106
R114
D105
C110
R120
R101
Q107
Q118
R149
R121
R139
R142
R108
C107
R131
D106
C101
R102
Q116
D102
R111
R127
Q109
R110
C108
R104
R128
Q117
Q103
Q105
R112
R117
Q114
R133
D103
R115
R130
R123
R138
R118
R107
R207
R213
R236
R228
R231
R230
Q215
C206
D206
C211
R233
C208
Q204
D203
Q203
D201
R227
R239
R222
R224
R225
Q210
R242
R215
R214
R209
R204
R205
Q214
R226
R219
C202
Q218
D202
R202
C205
Q212
D205
R206
Q207
C203
Q209
D207
R217
D204
C201
Q213
R216
R212
R211
C210
Q216
Q206
R220
Q217
R235
Q208
R243
R221
R229
D209
C204
R223
R208
C207
R238
R201
R232
R210
Q205
R218
Q211
Q111
C148
RN41
Q316
R418
R417
R412
Q306
Q312
C305
R419
C304
R301
R318
Q315
D306
R322
R332
R411
R442
Q307
Q313
R302
C403
R317
C310
R324
C303
Q311
C406
R416
Q317
R307
R305
R315
R438
Q309
C349
R311
R413
D402
R308
R414
CN14
R310
R402
R335
R342
R409
Q318
R343
R338
C311
R323
Q305
QN08
R313
Q407
R410
C306
D401
R325
R408
R329
RN40
R316
R406
R326
R336
D303
R304
R320
C411
R330
R328
D304
C308
Q304
R401
Q410
R321
C301
R404
Q310
R331
R420
R306
C404
D302
Q409
Q308
Q406
D305
R415
C402
R309
D301
Q403
D309
R405
C410
Q404
Q405
R319
R339
R407
C307
Q314
C407
C401
C348
R314
R327
Q408
R312
D307
C302
R333
Q303
J102
W102
R337
D308
R334
R237
D208
R234
R137
D108
R136
D107
R134
R388
R188
C259
C159
C359
R288
R544
R543
R542
CN66
CN18
RN47
LN01
LN02
LN03
DN07
DN05DP91
LP91
J103
W351
RN35
RN36
RN37
RP93
RN30
RN27
C119
C169
C219
C319
C419
C140
C269
C369
C240
QN04
CN10
JN02
RN38
DN08
LN05
LN04
RN39
DN09
J351
onlySR9200
WN51
JN51
WN51
CN13
QN07
RN34
RN33
U497
U498
JP99
RP92
RP91
JP91
WP91
JP92
CP93
CP92
CP91
JP93
J401
C839
CN07
R538
C831
R539
L501
R536
C836
R537
DN03
C835
CN08
J839
RN26
Q503
R835
DN01
D840
C838
C840
D839
C833
C837
C841
J838
C834
RN24
C844
J153
R833
RN25
C845
DN04
R831
R832
W152
L502
R834
C832
D841
CN09
C511
W836
Z34
W504
W102
J155
W154
RN28
CN11
QN05
RN31
RN32
CN12
RN29
QN06
D833 D837
D831
D838
D832 D836
D835
C149
DN02
RN62
C843 C842
R551
R553
R552
W883
J883
DN06
W154
J154
Q301
Q101
Q101
Q301
R443
Q831
Q832
Q833
C846
C847
C848
U496
U499
J299
CN92
J199
CN90
J349J149
CN94
CN96
CN95
C112
C113
C212
C312
C213C313
J132
J232J332
D834
D502
D503
RN46
C512
J101
WN62JN62 WN62
WN47JN47 WN47
C209
C109
C409
C309
C160
C260
C360
JN01
D501
Q504
Q505
Q507
Q508
R563R561
R562
R560
R557R558
Q506
R554
C513
R555
R556R559
C514
Z26 J831
J840
Z75
J531
W501
J104
W104
J106
W105
CN97
CN93
J156
W156
CN99
CN98
CN91
J105
W105
W104
J107
W156
J157
WE03-O
WE03-Y
J837
RN99
RN98
2SA1358
2SC2240
2SA1859
2SC4883
2SC2705
2SC2458
2SA970
2SA970
2SC2240
2SC2922
2SA1145
2SA1216
2SA1048
2SC2240
2SC3421
2SA1358
2SC2458
2SA1048
2SC2705
2SC3421
2SC2240
2SC4883
2SA970
2SA1145
HSS81
2SA1859
2SC2922
2SA970
2SA1216
2SC2240
2SC2240
2SC3419
2SC3419
2SC2922
2SA970
2SC4883
2SA1358
2SA970
2SA1859
2SC3419
2SA1216
2SA1145
2SC2240
2SC2240
2SA970
2SA970
2SC2458
2SC2705
2SC2705
2SA1145
2SC2240
2SA970
2SA1048
2SC2458
2SC2240
2SC3421
2SC2240
HSS81
2SA1048
HSS81 HSS81 HSS81
HSS81
1A1A1A
2SC2458
1A 1A
2SC2458
EARTH
2.0V
2SC2458
1A
6.8V
33V
2.0V
EARTH
2SC2458
2SC2458
1A 1A
1A
1A
1A 1A
1A
1A
1A
2068
2068
2068
2068
1A
1A
1A
2SC2458
DTC114
2SC2458
2SA1048
2SC2458
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
OP-AMP1/2
OP-AMP1/2
OP-AMP2/2
OP-AMP2/2
1.2
0.1
1.8
0.6
34.5
0
36.0
-1.8
0
37.0
-1.8
-0.6
0.6
-0.5
0
0.6
-1.2
-1.8
0
0
1.8
1.1
0
41.4
-0.5
-0.6
0
0
-0.1
35.0
-1.2
0.6
0.6
0
-0.7
-0.6
0
0
0
-0.1
-0.5
0
-0.5
0
0
0.6
1.1
-0.6
1.8
-1.8
0
1.8
-1.8
1.2
-1.8
0.1
-0.1
1.1
-36.0
0.6
0
0
1.8
0.1
0.1
0
1.8
0
0
-34.5
1.8
1.2
-0.6
0
-1.8
-1.8
-1.2
0
0
0.6
0
-0.1
-0.6
-0.7
-0.5
-0.5
0.6
0.6
0
-0.6
-1.8
-1.8
0
0
To Display
To & From u-Com
FL
FR
SBR
SBL
S-GND
From Main Transfomer
-B
P-GND
+B
HP-R
P-GND
HP-L
HP DET
From JE08(PC04)
RELAYP
SBLG
SBRG
MLG
MRG
FR
SBL
SBR
FL
From Port Eepander 4
SB SPKR
M-SPKR
HP DET
HP ON
3SPKR
M-SPKR
C
SPEAKER OUTPUTS
SPEAKER OUTPUTS
FR
Ov Curr
FAN Sens
Sbl(SB)
FL
HEAT Sens
SBR
CENTER
ML
FR SBLFL
MR
SL SR
SL
SR
FL
FR
SBR
SBL
(RME)X401
(RMA)X101 ,X201 ,X301
P834
(RPS)X831
P124
(RHP)XP91
PP94
P114
P164
S-GND
PN24
PN14
F2
D2
CG
SRG
SLG
FLG
FRG
MRG
MLG
SLG
SRG
CG
18
-18
18
-18
36.0
36.0
36.0
-36.0
-36.0
-36.0
34.5
34.5
34.5
-34.5
-34.5
-34.5
35.0
35.0
35.0
-35.0
-35.0
-35.0
-35.0
36.9
36.9
36.9
36.9
-36.9
-36.9
-36.9
-36.9
37.0
37.0
-37.0
-37.0
-37.0
-37.0
37.0
AC42v
AC27v
AC 0v
AC27v
AC42v
35V
26V
26V
35V
-36V
-30V
AC5v
-18V
18V
18V
36V
37V
-37V
5V
4V
5V
5V
0V
0V
9V
0V
0V
5V
5V
5V
5V
35V
35V
0V
0V
JUMPER
DUMMY
From J504(P414)
From W401(P414)
From J501(P154)
From J152(P154)
From J884(P154)
5. SCHEMATIC DIAGRAM
Page view 10
1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 75 76

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