Printed Wiring Board - Main Board - Sony STR-DH720 Service Manual

STR-DH720/DH720HP
2-15. PRINTED WIRING BOARD – MAIN Board –
1 2
A
MAIN
B
BOARD
ECE
C
JW704
JR603 JR
JR609
JW620
JR
CL327
C396 R386
C386
CL328
JR JR JR
JR608 JR604 JR605
D
R385
C385
CL324
C395
C397
C384
CL392
R384
C394 JW759
B
JW758
CL322
E R383
C383
DIGITAL
CL381
BOARD
CL321
CN2114
C380
(Page 6)
CL329
C389
R389 JR706
JR JW504
C450
CL314
JW804
R450
F
CL313 C449
CL312 R449
CL311
CL310
JW762
CL308
R549
JW755
CL309
R548
JW641
CL307
R544
CL306 JW621
C
CL305
CL350
CL304
CL303
CL302
DIGITAL
G C321
CL349
CL301
BOARD
CL300
CN2105
JW757
R822
(Page 6)
C807
CL351
JW689
R809
B E
Q812
H
JW660
JW796
C808
JW625
Q503
1 2 3
B
Q802
I
J
K
STR-DH720/DH720HP
• : Uses unleaded solder.
3 4 5 6
J409 J401
VIDEO 1
SA-CD/CD TV VIDEO 1
AUDIO AUDIO AUDIO AUDIO
OUT IN
IN IN
(CHASSIS) (CHASSIS)
L
L L L
R
R R R
CC51
CL344
CL337
R451
JW745
JW638
CC01
JW644
CL380 JR602
JR JR
JR601
JW652
JW668
IC352
R357
JW659
JW679
O I
JW713
JWH604
41 40
C324
HS350 C350
C351
IC350 O I
R348
IC400
JW612
C401
60 21
61 20
C489
80 1
C391
C491 JW811
C382
JW737
C381
C398
R380
C547
C399
JW716
IC701
C810
15
JR 14
JR600
JW699
R803
C753
IC801
15 1 R754
14 2
C545
R326
R804 C855
R325 C325 C853
Q323 Q320
JW712
R320
B E B E R327
C320
JW791
D761
D820
JW714
L878 CL395
R879
CL397
R878
C820
JW753
Q762
R816
Q862
R863 B E R763
C757
R829
B E
B E
R813 R859 R759
Q861
C829
R864
R860
JW711 JW632
C811
Q811 C858 C758
R862
JW705 JW734
C859 JW746
R812
JW671
JW637
JW749 JW769
JW798
Q504 Q853 Q854 Q753
1 2 3 1 2 3 1 2 3 1 2 3
E B E
Q852
7 8 9
J405
SAT/CATV SUBWOOFER
AUDIO AUDIO
IN OUT
(CHASSIS)
+
L
–
R
C400
R470
CC17
R466
CL346
RR17
JW626 JW818
CL379
CL378 R467
JWH602 JW728
B E
Q360
R363
B E
R360
R301
R361
D301
R304
Q301
R365
JWH603
R560
C553
R554
IC501
15 1
14 2
IC601
C559
15 1
C560
14 2
1
2
R545
JW687 JW821
C703
JW640 R654 R604 JW760
JW628
JW707
R704
R546
CL401
L678
D670
R672
C770
R678
D661
R780
JW751
Q761 JW808
Q661
C707
B E C661
B E R713
C657
B E L778
R709
R663
R659
R778 R665
C708
JW778
C658
R662
JW777
JW708 JW807
R762
JW690 JW633
JW665
JW658 JW764
Q754 Q653 Q654 Q703
1 2 3 1 2 3 1 2 3 1 2
B E B E
Q752 Q652
18 18
10 11 12 13
SPEAKERS
TB503
TB502
SURROUND
BACK/ CENTER SURROUND
FRONT HIGH
R L R L
+ + +
– – –
CL355
CL358 CL359
CC18
CC15 CL357
RR18 CL356
JW833 RR15 RR14 RR13
B E
Q355
R358
R355 JW721
JW693 JW607
R351
Q920
JW832
R356 R925
R920
CL393
JW776
CNP930
LP401 CL366
1
JW654
JW675
F910
JW717 JW819
JW719
CL375 C911
JW790
C910
HS921
JW666
JW685
D911
CL374
D910
JW795
D913
D912
JW610
JWH601
C931
JW816
JW780
JW662 JW824
JW826 JW657
JWH600
JW697
R392 R393
CL391
R394 R395
JW678
L628 D550
CL400
L728
R620
CL388
C720 C629
R628
R630
CL384 R616
B E Q611
B E
C607
B E
C558
R613
Q712 R609 CL389 C611
Q711 C711
JW669 JW733
R711 R611
C608 C552
R612
JW725 JW608
JW801
JW613
R712
JW744
JW617
JW664
Q704 Q603 Q604 Q553
3 1 2 3 1 2 3 1 2 3 1
B E B E
Q702 Q602
14 15 16
TB504
FRONT
+ –
L L
R R
CL360
CL370
RR12 JW653
CC12 (CHASSIS)
CC11
F912
H
B E
POWER
TRANSFORMER
(MAIN)
F913
T901
5
(Page 23)
CL368
C932 C933
I
D921
POWER
LP401
TRANSFORMER
(MAIN)
T901
(Page 23)
C930
JW803
J
CL362
R377
HEADPHONE
CL363
BOARD
CN790
C554
D302
R559
R557
R551 (Refer to page 45
C550
R564 on original
Q550
ET300
R513 service manual)
B E
R568 C551
JW609
JW602
R552 (CHASSIS)
R558
JW729
Q554
2 3 1 2 3 24
B E
Q552 (24)
1-883-403-