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JVC VR-7070A Service Manual page 3

Audio-video surround receiver

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U
PC BOARD
1
Y
X25-6620-10 A/2
(J70-1704-02)
C104
2
C137
C112
C113
C114
4
R121
1
9
3
16
4
CENTER
SURROUND
BACK
SUB WOOFER
X25 B/2
J303
W24
W23
C307
C308
C305
5
R337
R338
R335
R327
R328
R325
B
E
E
E
B
R317
R318
R307
R308
B E
B
E
B
R349
R350
R347
R339
6
R461
Q320
Q319
R455
C457
R507
1
4
R459
R462
R457
R454
R456
B E
C458
C449
C454
R463
W51
7
Refer to the schematic diagram for the value of resistors and capacitors.
V
COMPONENT VIDEO
VIDEO3 IN
DVD IN
Cb
Cr
J101
W9
C129
C119
R120
C123
W10
W16
C117
1
8
C120
7
R122
1
W13
PRE OUT
SURROUND
FRONT
ROOM B
J302
W22
W21
C306
C303
C304
C301
R336
R333
R334
R331
R326
R323
R324
R321
B
E
B
E
B
E
B
E
R314
R316
R313
R315
R306
R303
R362
R305
E
B
E
B
E
B
E
B
R345
R348
R341
R346
R354
R353
W31
R343
R424
R423
8
R418
1
R417
C430
C429
4
5
R506
R505
R406
C412
W47
R405
WH2
8
R412
C411
W37
Q407
5
E B
E
B
R458
R440
W49
R460
W39
E B
W67
4
1
CN303
R464
W
MONITOR OUT
Y
Cb
Cr
J102
R216
R218
W3
1
14
B
Q204
7
8
C131
14
C132
C130
8
SPEAKERS
SURROUND BACK/
SUB WOOFER
2
1
W25
C302
R332
C317
C313
R322
B
E
B
R311
R312
R301
R302
E
Q401
E
B
8
R428
R342
1
W66
R344
W44
4
5
R421
R422
R415
R416
C410
C427
C428
R404
R503
R504
W40
W41
R444
R403
R443
R409
R437
C459
R448
X
IR IN
IR REPEATER
J201
W1
J202
W2
C212
R213
R214
C213
C215
Q201
E
B
C206
E
D201
D202
B
E
L201
Q202
I
C203
C216
G
R203
O
D205
C201
C202
W17
SURROUND
L
R
J301
C315
C312
R427
C316
W32
B E
C432
R426
B
E
R419
R413
8
1
R420
18
C425
R414
C426
4
5
R501
W34
R502
R401
R442
C407
R408
R402
R441
C408
2
E
B
W62
R451
R449
Y
W52
W14
W53
W54
7
1
4
1
19
1
3

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Vr-7080a