Read Sony STR-KS500 Service Manual online
STR-KS500
11
11
STR-KS500
2-8. SCHEMATIC DIAGRAM – MAIN Board (3/3) –
D805
CN820
CNS822
R558
C561
Q550
R553
R555
R557
R554
C562
R552
C563
Q551
R551
C564
C565
D550
CNP861
R881
C871
R556
R885
Q862
D820
R864
R884
R882
R883
R886
R664
C664
C643
R643
D808
D807
D806
C815
C816
C818
C819
C802
CN700
D801
D804
D803
D802
C813
C801
C791
R791
R741
C741
D810
C694
C844
C794
C744
C817
D813
R810
R811
CNP804
CNP802
CNP801
C820
R832
R831
C811
C812
C821
TM500
C814
R910
D812
D809
M1
D811
Q861
Q866
Q867
Q863
Q868
1SR154-400
4P
21P
100k
4.7
50V
2SC3052
10k
4.7k
220k
820
1
50V
3.3k
1
50V
2SC3052
100k
4.7
50V
50V
100
16V
16V
1SS355WTE-17
3P
1.5k
100
16V
16V
68k
100
DTA124EKA
UDZSTE-175.6B
47k
47k
3.3k
2.2k
100
4.7
0.01
0.01
4.7
1SR154-400
1SR154-400
1SR154-400
0.1
0.1
4700
50V
4700
50V
0.22
4P
1SR154-400
1SR154-400
1SR154-400
1SR154-400
0.001
0.22
0.01
4.7
4.7
0.01
1SR154-400
330p
330p
330p
390p
3300
16V
UDZSTE-176.8B
0.47
1/2W
1/2W
0.47
1/2W
1/2W
3P
5P
3P
100
50V
50V
22k
220
1000
25V
1000
25V
220
35V
35V
0.001
0.47
UDZSTE
-1730B
-1730B
D5SBA20
1SR154-400
2SB734
DTA124EKA
DTA124EKA
DTA124EKA
DTA124EKA
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A15
A14
CHASSIS GND
AUDIO +
AUDIO -
+7V
F1
F2
F.RY
C.RY
S.RY
F2
F1
F2
F1
GND
STOP
GND
FRONT SP RELAY
CENTER SP RELAY
REAR SP RELAY
STANBY+V
POWER RELAY
F_CTRL2
GND
F_CTRL1
LEVEL_DETECT
HIGH SPEED DETECT
POW_MUTE
-B
+B
+R2
+R4
-R2
-R4
L
R
C
GND
SW
GND
+R3
-R3
(3/3)
(CHASSIS)
FRONT
SURROUND
SPEAKERS
1
2
3
4
(FAN)
FAN MOTOR ON/OFF SWITCH
LEVEL SHIFT
Q862,863
FAN MOTOR CONTROL SWITCH
Q867,868
FAN MOTOR CONTROL SWITCH
Q550,551
FAN MOTOR LEVEL DETECT
PROTECTOR
+V
F_CLK
-30V
DIGITAL+V
L
R
(Refer to page 19
on service manual)
STANDBY
BOARD
CNP903
(Refer to page 19
on service manual)
SPEAKER
BOARD
CN701
(Refer to page 19
on service manual)
T901
MAIN POWER
TRANSFORMER
(Refer to page 19
on service manual)
T901
MAIN POWER
TRANSFORMER
(Refer to page 19
on service manual)
T901
MAIN POWER
TRANSFORMER
(Page 9)
(Page 10)
(Page 8)
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