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

STR-KS500
Q Q
3 7 6 3 1 5 1 5 0
4-10. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
(2/3)
V+ NC V- V+ NC
C707
0.1
C706
1
50V
C701
4.7 R701 C710 C708
50V 100 0.1 1 50V
R529
10k
C529 R539
0.01 100k
D529
1SS355WTE
-17
C705
0.0022
T E
L 1 3 9 4 2 2 9 6 5 1 3
POWER AMP
IC551
LM3886T
V+ NC V- V+ NC
C657
0.1
C656
1 50V
L CH
L CH
R CH
R CH
C CH
C CH
C651
SW CH
4.7 R651 C660 C658
SW CH
50V 100 0.1 1 50V
SR CH
SL CH
(Page 17)
R652 C652
GND
22k 100p
R659
10
R658
47k
R657
4.7
w w w
L657
STR-KS500
POWER AMP
IC701
MUTE
LM3886T
GND NC V+ NC V- V+ NC GND
C757
0.1
C718
C703
1
0.001
50V
R715
33k C756
1 50V
R705 R840
22k 10k C751
4.7 R751 C760 C758
50V 100 0.1 1 50V
D841
UDZSTE-175.6B
C704 C842 R549
27p 47 25V 10k
R703
1k C549 R550
R844 R843 0.01 100k
R704 22k 4.7k
330
D549
C755
C709 1SS355WTE
0.0022
100 10V -17
POWER AMP
MUTE
GND NC IC651 V+ NC V- V+ NC GND
LM3886T
C537
C668 0.1
1 C653
50V 560p
R665
33k C536
1 50V
R655 R531 C540 C538
22k 100 0.1 1 50V
C531
4.7
C654 R532 C532
50V
5p 22k 100p
R653
1k
R654
330
C659
100 10V
C581 R589
0.022 10
C661
0.022
R581
47k
R587
4.7
L587
x a o
. i
http://www.xiaoyu163.com
POWER AMP
IC751
MUTE
LM3886T
NC V+ NC V- V+ NC GND
C507
C768 0.1
1 C753
50V 0.001
R765
C506
33k
1 50V
R755
22k C501
4.7 R501 C510 C508
50V 100 0.1 1 50V
C754 R729
27p 10k
R753 C729 R742
1k 0.01 100k
R754
330
D729
C759 1SS355WTE
100 10V -17 100 10V
Q Q
3 7
R707
4.7 L707
R709
10
C711 R708
0.022 47k R710
27k
MUTE
NC
C761 R758
0.022 47k
R740
47
R757
R759 4.7
10
R610 L757
27k
C548
1 C533
50V 560p R760
27k
R545
33k
R510
R750 27k
1k
R535
22k
L507
R509
C534 10
5p R507
R533 4.7
1k C511
0.022 R508 R540
R534 47k 47
330
C539 C611
100 10V 0.022 R608
47k
L607
R609
10
R607
4.7
R640
R582 47
27k
R660
27k
u 1 6 3
y
18 18
http://www.xiaoyu163.com
2 4
8 9 9
POWER AMP
IC501
MUTE MUTE
LM3886T
NC V+ NC V- V+ NC GND
C607
C518 0.1
1 C503
50V 560p
R515
33k C606
1 50V
R505
22k C601
47 R601 C610 C608
50V 100 0.1 1 50V
C504 D449
5p 1SS355WTE-17
R503
1k
R530
R504 1k
330
D448
C509 1SS355WTE-17 C609
100 10V
SW CH
R536
33
RY701
6 3 1 5 1 5 0 8 9
-1
-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
RY501
-1
-2
D520
1SS355WTE-17
Q520
2SC3052
R522
RELAY DRIVE
2.2k
RY601
-1
-2
Q620
2SC3052
D620
RELAY DRIVE
1SS355WTE-17
m
R622
2.2k
c o
.
2
8 9 9
POWER AMP
IC601
LM3886T
NC
C618
1 C603
50V 560p
R615
33k
R605
22k
C604
5p
R603
1k
R604
330
A1
A2
A3
A4
2 4 9 8 2 9 9
A5
A6
F.RY
Q730
2SC3052 D731
1SS355WTE-17
D721
1SS355WTE-17
A7
Q732
2SC2713
A8
A9 (Page
19)
D521 D621
1SS355WTE-17 1SS355WTE-17
C.RY
A10
A11
S.RY
A12
A13
A14