Printed Wiring Board - Main Board - Sony XR-4950X Service Manual

6-2. PRINTED WIRING BOARD – MAIN Board –
1 2 3 4
A
J1
(FM/AM ANTENNA)
MAIN BOARD
C44
B
C
JW118 JW117
D
TU1
(FM/AM TUNER UNIT)
E
C1
1
C335
JW103
C333
C2
F
JW104
C3
R21 C22
C21 JW102
R22
R11
R12
C11
G
C8
C6
R1
R2
JW1
H
C5
JC301
C202
CN301
19
I
C101
JW110
C102
R102
J
C41
JW120
C112
K
D708 D709 D707 D705
JW116 JW115
R708 R706 R707 R710
L
CN701
C702 C703
M
5 6 7
J331
AUDIO OUT
REAR
JW90
C183
C272
JW89
C283
JW91
J331
JC195
24
JC193
JC192
JC283
C172 25
R272
C174 PO1
JC194
C274
R172 R182 C184 C282
C182
JC271
JC282
R282
JW93 C284
JW95
JW94
R285
R175 R275
R185
Q171 Q271
Q181
JC171
Q281
JC181
C171
R271
R181 C271
R173
C758
R171 JC281
C181
C281
R281
R273
C622
R183
C621
R283
C191 D622
IC331
D621
C623
Q621
C337
R753
JW80
C336
R331
JW92
C340
C23
R621
C332 JW77 JW76 JW75
JW79 JW78
R333 R334
C331
JW101
C13 R332
C341
JC503 R545
JW99 JW98
JW100
C212
C203 R520
JW119
R519
R202
R203 R521
R204
C204
R201
JC302 R301 C206 C106
C209 C211
R523
C201
JW106
C210 R518
JW107
IC301
C205
C110
C109
R517
R302
R576
JC303
C307
JC304
C111
C302
R101
JW108 R305
C104
JW109
R103 R104
R303
R304
R306
C305
C303
JC51
C306 C304
JW18
C105
JW19
JW20
R501
JW23
R702
R553 R554
D701 D702
JW21
R703
JW17
D703 D704
JW22
R704
R705
JW2
R556 R555
JW113
D706
R631
R632
Q631
SUB BOARD
(Page 20)
8 9 10 11
JW88 JW87 JW86
C752
C753 C756 C783
CN781
2
IC751
1
JW201
JW202
C781
JW60
JW61
D722
C785
JW62
R625
R594
D613
R782
R574
D614
C571
Q571 D571 R573
R571
R572
D625
D572
R781
D611 D610
JW68 D588
JW24
R624
D1
R751
JW25
Q622 JW69
JW26
Q583
R543
JW27
R192
JW52 JW28
R586 R587
R588
R589
JW74
JW71 JW114 JW70
R512
JW29
R502
JW72
R548
R511 JW63
R513
JW64
R537
R536
JW30
R510
JW65
JW31
JW66
JW73
R514
JW32
R539
JW67
JW33
JC504
R535
R191
JC502
JW34
R542 R590
JW35
IC501
JW36
C582 C556
R509
R541
JW37
R563
R508
JW38
R507
R540
JW39
C503
X502
C505
Q551
JW111
C506
R538
C511
L501
C509 C501
R558
X501
C502
R503
JW13 JW12
R546
R562
D553 R564
JW112
JW9
D501
JW14 R500
JW8
JW16
JW15
IC551
C508
JW10
L51
3
C553
R527 R528
R526
JW11 C52
R557 R547
R552
R529
R601
S552
NOSE
DETECT
17 17
12 13 14 15
(REMOTE IN)
C782 C784
JW59
L781
JW56
D781
JW57
JW54
JW48
IC611
JW51 C617
D51
JW53
JW50
C616
Q581
C615
Q592
D581
R593
C614 JW47
C618
JW49
Q591
R570
D591 R581
D551
R592
R591
C611
JW45
JW44
JW43
D352
R354 R353
R352 CN351
R561
Q353
C356
Q351
JW42
C351
Q352
C357
C358
C355
JW40
JW46
D351
JW41
JC351
R351
Q601 C601
JW4
JC507
C602
C353
JW5
D601
JW6
R603 R604
Q602
2
C551
1
R551
C552
R530
1-676-600- 12
R544
JW7
S551 RESET
XR-4950X
• Semiconductor
16
Location
Ref. No. Location
D1 F-9
D51 F-13
D351 J-13
D352 H-13
D501 K-8
D551 G-13
D553 K-10
D571 E-10
D572 E-10
D581 G-12
D588 F-10
D591 G-12
D601 K-14
D610 F-11
D611 F-10
D613 E-11
D614 E-11
D621 F-7
D622 E-8
D625 E-8
D701 L-5
D702 L-5
D703 L-6
D704 L-6
D705 K-4
D706 L-6
D707 K-4
D708 K-3
D709 K-4
D722 E-9
D781 E-13
IC301 I-5
IC331 F-5
IC351 J-14
IC501 I-9
IC551 L-11
IC611 F-14
IC751 C-8
Q171 D-5
Q181 D-5
Q271 D-6
Q281 E-6
Q351 I-13
Q352 J-13
Q353 I-13
Q354 H-13
Q551 J-12
Q571 E-9
Q581 F-12
Q583 F-9
Q591 G-12
Q592 G-12
Q601 K-14
Q602 K-14
Q621 F-7
Q622 F-8
Q631 M-6
MECHANISM
BLOCK