Schematic Diagram - Main Board (2/3) - Sony STR-KS500 Service Manual

STR-KS500
Q Q
3 7 6 3 1 5 1 5 0
2-7. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
(2/3)
C712
C713
C701 22
100p
4.7 50V
50V
R705 R529
22k 10k
R701 R702 C704
100 22k C529 27p
0.01
R703
1k
R539
R704 100k
330
D529
C709
1SS355WTE
100
-17
10V
POWER AMP
IC551
T E TDA7296
L 1 3 9 4 2 2 9 6 5 1 3
C656
C663
C651 22
100p
4.7 50V
50V
R655
22k
R651 R652
100 22k
L CH
L CH
R653 R659
R CH 1k 10
R CH
C CH
R654
C CH
330
SW CH
SW CH
C659
SR CH
100 10V
GND
(Page 9)
SL CH
R658
47k
R657
4.7
L657
w w w
STR-KS500
• See page 3 for IC Block Diagram.
POWER AMP
IC701
TDA7296
R840 C763 C756
C751
10k 100p 22 50V
4.7
50V
D841 R755 R549
UDZSTE-175.6B 22k 10k C754
R751 R752 27p
100 22k C549
C842 0.01
47 25V R753
1k
R550
R844 R843 R754 100k
22k 4.7k 330
D549
1SS355WTE
C759 -17
100 10V
POWER AMP
IC651
TDA7296
C536
C654 C543
22
27p 100p
50V
R535
22k
C531 R531 R532
4.7 100 22k
50V
C661 R533 R589
0.022 1k 10
R534
330
C539
100 10V
R581
47k
R587
4.7
L587
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y
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POWER AMP
IC751
TDA7296
C513 C506
C501
100p 22 50V
4.7
50V
R505 R729
22k 10k
R501 R502 C504
100 22k C729 27p
0.01
R503
1k
R742
R504 100k
330
D729
C509 1SS355WTE
100 10V -17
Q Q
RY701
3 7 6
R707
4.7 L707
R709
-1
10
C711 R708
-2
0.022 47k R710
27k
C761 R758
0.022 47k
R740
47
R757
R759 4.7
10
R610 L757
27k
R760
27k
C534 R510
27p R750 27k
1k
C581 RY501
0.022
L507
-1
R509 L607
10
-2
R507
4.7
C511
0.022 R508 R540
47k 47
C611
0.022 R608 D520
47k 1SS355WTE-17
R609
10
R607
4.7
R582 R660
27k 27k
R640
47
1SS355WTE-17
u 1 6 3
.
10 10
http://www.xiaoyu163.com
2 4
8 9 9
POWER AMP
IC501
TDA7296
C606
C613
22
C601 100p
50V
47
50V
R605
22k
R601 R602 D449
100 22k 1SS355WTE-17
R511 R603 R537 C604
1k 1k 33 27p
D448
R604 1SS355WTE-17
330
C609
100 10V
SW CH
3 1 5 1 5 0 8 9 2
C730
R722
220
2.2k
10V
D720 Q720
1SS355WTE-17 2SC3052 Q731
2SA1163
RELAY DRIVE
R731 R730
10k 6.8k
Q730-732
AC POWER PROTECTOR
C732 R732
0.1 33k
D521
1SS355WTE-17
Q520
2SC3052
R522
RELAY DRIVE
2.2k
RY601
-1
-2
Q620
2SC3052
D620
RELAY DRIVE
m
R622
2.2k
c o
2
8 9 9
POWER AMP
IC601
TDA7296
R801
22k
R803 R802
33k 10k
D830
1SS355WTE-17
C803 C800
10 10
A15
50V 50V
A1
C706 C708
C707 C710
10 10
0.022 0.022
50V 50V
A2
A3
A4
4 9 8 2 9 9
A5
A6
F.RY
Q730
2SC3052 D731
1SS355WTE-17
D721
1SS355WTE-17
A7
Q732
2SC2713
A8
(Page
A9
11)
D621
1SS355WTE-17
C.RY
A10
A11
S.RY
A12
A13
A14