Main Board (Component Side) - Sony STR-DH540 Service Manual

5-16. PRINTED WIRING BOARD – MAIN Board (Component Side) –
1 2 3
A
MAIN BOARD
(COMPONENT SIDE)
B
L FRONT
+
C –
(CHASSIS)
D
RR11
F912
I RY920
POWER
TRANSFORMER
(MAIN)
E
T901
F913
(Page 41)
HS921
D921
LP401
F
J
POWER
TRANSFORMER
(MAIN)
T901
C930
(Page 41)
G
K
HEADPHONE
RY921
BOARD
H CN107
4 1
CN391
(Page 45)
C322
R551
ET301
R553
I
R558
(CHASSIS)
Q551
3 2 1
E
Q553
J
K
STR-DH540
• See page 14 for Circuit Boards Location.
4 5 6
SPEAKERS
TB501 TB502
R CENTER L SURROUND R
+ + + +
(CHASSIS) (CHASSIS)
– – – –
RR12
RR15
RR13 RR14
RY350 RY365 RY355
F910
W001
GP801
C912
F911
C913
C931
L700
L550
R701 R601
R550 R700
R703 R603
C558 C708
Q552
Q702 E
E R704
R554
R708 R608
Q550 Q701 Q700 Q601
3 2 1 3 2 1 3 2 1 3 2 1
E
Q703 Q603
• : Uses unleaded solder.
7 8 9 10
J401
L R
AUDIO
J402
SAT/
CATV IN
L R
AUDIO AUDIO AUDIO
TV IN TV IN VIDEO IN
AUDIO
AUDIO AUDIO
SA-CD/
SUBWOOFER SUBWOOFER CD IN
OUT OUT
(CHASSIS) (CHASSIS)
W002
RY301
IC350
I O
C358 C354
C563
C560
R563 R560
R561
R562
R579
O
C564
C582 IC352
C581 C353
I
R713
D572 C713
R578
Q570 R613
R712 R710
R612
R711
R572
C570 R576
R729
R577 R575
C633
D571 C712
C732
C636
D722
R728
R628
R722
C731
Q720
C720 R726
L600 C620
R727 R725
R627
L750
D721
R600
R751
R651
R750
R653
R753
C758
R658
Q602
Q752
R604
E E
R754
Q600 Q751 Q750 Q651
3 2 1 3 2 1 3 2 1 3 2 1
E
E
Q753
31 31
11 12 13
J218
AUDIO VIDEO
SAT/ SAT/
CATV IN CATV IN
AUDIO VIDEO
VIDEO IN VIDEO IN
AUDIO VIDEO
SA-CD/ MONITOR
CD IN OUT
(TV ASSIGNABLE)
(CHASSIS)
IC2352
OUT GND
6 4
IC2354
1 3
C2374
C2373
C546
C310
C634
C610
C763
R610 R760
C663
C612
R763 C762
R629 R762 L660
R663
R611 R662 C662
C782 R679 R660
C683 R661
D622
C786
R622 C886
R772 C836
R672
R761 R779
C631
C781
Q620 Q770 C681
Q670
R626 C770 R776
R625 R777 R775
C670 R676
L650
D621 D771
R677 R675
D671
R650
C658
E
R654
Q652
Q650 Q801 Q800 Q851
3 2 1 3 2 1 3 2 1 3 2
E
Q653
STR-DH540
Ver. 1.1
14 15 16
OPTICAL
IN 1
IN 2
(SAT/CATV
ASSIGNABLE)
IC2351
VCC OUT GND VCC
C2354 FB2890
C283
R2354 C2370
C2351
Q281
C282
Q283 E
C547
H
DIGITAL BOARD
CN2000
(Page 22)
W003
C603
C653
G
C503
DIGITAL BOARD
C703
CN2001
(Page 22)
R449
E
R450
DIGITAL BOARD
CN2002
R332
(Page 22)
R327
D327
D326
E Q325
R326
R328
C323
Q850
1 3 2 1
11
(11)
1-887-628-