Sony STR-KSL900W Service Manual ▷ View online
17
17
STR-KSL900W
STR-KSL900W
4-8. PRINTED WIRING BOARD – I/O BOARD –
•
See page 7 for Circuit Boards Location.
: Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D301
C-1
D405
C-6
IC201
D-5
IC301
B-2
IC302
B-2
IC303
C-2
IC401
D-3
IC402
D-4
IC403
E-5
IC404
E-5
Q401
E-4
Q402
C-6
JW801
JW805
JW806
JW807
JW808
JW809
JW810
JW811
JW812
JW813
JW814
JW815
JW816
JW817
JW818
JW822
JW826
JW828
JW831
JW832
JW834
JW838
JW839
JW846
JWH01
JW861
JW862
JW837
JW836
JW840
JW880
JW844
JW835
JW833
JW845
JW843
JW860
JW827
JW821
JW819
JW890
JW829
JW830
JW820
JW891
JWH02
CN404
JW262
JW263
C210
IC301
IC302
J403
IC201
IC402
CNS403
CNS401
CNS301
J501
C301
C302
C306
C307
J301
C308
D301
C206
C208
C202
C442
C443
R203
CC01
CC02
CC03
CC51
CC52
CC53
C414
C419
D405
C472
C498
IC404
IC403
C207
C209
C440
C482
C489
C490
C497
C493
C491
C492
C495
C496
C485
C486
C487
C464
C488
C413
C433
C467
L202
RY401
C400
L201
C204
JW881
C309
C310
C312
JW870
R430
R410
C415
C418
R303
R304
R305
C305
R453
C303
C304
R307
R306
R451
R452
R403
R401
R484
R470
R474
R202
R476
R480
R479
Q402
R477
C441
R475
R499
R473
C471
R204
C203
R560
C465
C481
C483
R376
C466
Q401
R472
R471
R481
R482
R483
R402
JW883
C311
IC401
IC303
E
E
1
1
7
14
8
80
40
41
65
64
24
25
I/O BOARD
1-861-782-
11
(11)
1
7
14
8
10
1
1
1
4
8
5
3
1
3
MAIN
BOARD
CNS402
(Page 19)
E
MAIN BOARD
CNP821
(Page 19)
F
(CHASSIS)
(CHASSIS)
SUB WOOFER
OUT
MONITOR
OUT
(CHASSIS)
DVD
COAX IN
DVD
OPT IN
IC302
TV/SAT
OPT IN
IC301
DIGITAL
VIDEO R
VIDEO IN
AUDIO IN
DVD R
TV/SAT R
VIDEO L
DVD L
VIDEO
DVD
TV/SAT L
1
3
1
3
DIGITAL BOARD
CN197
(Page 12)
A
DIGITAL BOARD
CNS191
(Page 12)
B
A
B
C
D
E
1
2
3
4
5
6
18
18
STR-KSL900W
STR-KSL900W
4-9. SCHEMATIC DIAGRAM – I/O BOARD –
•
See page 29 for IC Block Diagrams.
R560
R479
D301
C307
R305
C302
IC303
C312
C309
C310
R307
C311
C308
R306
C301
C306
C305
R303
C304
C303
R304
C492
C491
C482
C495
C485
C493
C486
C496
R376
R475
C466
C487
C488
R471
R472
C467
C490
C489
C497
C465
C464
R430
R410
C414
R452
R402
R451
R401
CC01
CC51
CC52
CC02
CC53
R453
R403
CC03
R477
D405
R480
R484
C400
C413
C433
CNS401
R481
R482
R483
CNS403
IC402
IC401
R474
R499
C498
R473
C471
R470
C472
C210
C207
C206
C208
C209
R204
C203
C204
R203
C202
R202
IC403
IC404
C440
C441
C442
C443
L201 10
µ
H
IC301
IC302
CNS301
CN404
J403
Q401
C415
C418
IC201
Q402
R476
RY401
J301
C483
C481
C419
J501
10k
L202
10
µ
H
100
1SS133
1p
22k
0.1
TC74HCU04AF
470
6.3V
470
6.3V
0.1
100
10
50V
47p
560k
0.1
0.1
22
50V
75
0.1
1000p
1k
4.7
50V
50V
4.7
50V
50V
4.7
50V
4.7
50V
50V
4.7
50V
50V
4.7
50V
50V
4.7
50V
50V
4.7
50V
50V
1k
2.2k
220
10V
10
50V
0.1
680
1k
0.1
100p
100p
100p
220
10V
10V
0.1
47k
47k
2.2
50V
1k
1k
1k
1k
100P
100P
100P
100P
100P
1k
1k
100P
4.7k
1SS133
47k
100k
0.1
2.2
50V
50V
2.2
50V
50V
11P
100
100
100
25P
NJM4565
M61527FP
2.2k
47k
33p
2.2k
4.7
50V
50V
47k
4.7
50V
50V
2200p
470
6.3V
0.1
0.1
470
6.3V
75
10
50V
47p
75
10
50V
75
78M07
79M07
0.1
0.1
100
10V
10V
100
10V
10V
TORX141
TORX141
7P
10P
1P
2SC3576
2.2
50V
2.2
50V
NJM2279D
2SC2785
1k
1P
4.7
50V
50V
4.7
50V
50V
2.2
50V
50V
9P
R-OUT
R
-O
U
T
L-OUT
L
-O
U
T
L-IN
L
-IN
R-IN
R
-IN
C-IN
C
-IN
SW-IN
S
W
-
IN
DATA
D
A
T
A
CLK
C
L
K
LAT
L
A
T
TU-R
T
U
-R
TU-L
T
U
-L
SW-RLY
S
W
-R
L
Y
TUNER-L
GND
TUNER-R
R-IN
GND
L-IN
L-OUT
GND
R-OUT
GND
+7V
SW RELAY
L-CH
R-CH
C-CH
SL-CH
SR-CH
GND
GND
GND
GND
AUDIO+
AUDIO-
+7V
SW-CH
GND
-7V
GND
GND
-7V
VIDEO SW1
VIDEO SW2
VIDEO MUTE
COAX-IN
+5V
GND
+3.3V
DVD-IN
TV-IN
NC
CHASSIS GND
CHASSIS GND
VIDEO GND
+5V
-5V
R2 GND(RELAY)
SL-IN
SR-IN
C-IN
SW-IN
(CHASSIS)
(CHASSIS)
(CHASSIS)
+5V
V1
-5V
M
ON
SW
2
M
1
NC
V2
V3
SW
1
M
2
VO
UT
O
G
I
O
G
I
+7V REGULATOR
-7V REGULATOR
REGULATOR
+3.3V
VCC
VEE
LINE AMP
ELECTRICAL VOLUME
AMP & SWITCH
VIDEO
GN
D1
GN
D2
RELAY
DRIVE
INVERTER
DIGITAL OPTICAL
RECEIVER
DIGITAL OPTICAL
RECEIVER
DVD
COAX IN
DVD
OPT IN
IC302
OPT IN
IC301
TV/SAT
DIGITAL
TV/SAT L
DVD L
VIDEO L
TV/SAT R
DVD R
VIDEO R
MONITOR
OUT
DVD
VIDEO
OUT
SUB WOOFER
AUDIO IN
VIDEO IN
DATA
CLOCK
LATCH
AUDIO SELECTOR,
(Page 13)
(Page 21)
(Page 15)
(Page 22)
19
19
STR-KSL900W
STR-KSL900W
4-10. PRINTED WIRING BOARD – MAIN BOARD–
•
See page 7 for Circuit Boards Location.
: Uses unleaded solder.
• Semiconductor Location
Ref. No.
Location
D520
B-4
D521
C-5
D550
C-13
D621
C-5
D720
B-5
D721
B-6
D731
B-6
D801
B-11
D802
B-11
D803
B-10
Ref. No.
Location
D804
B-11
D805
A-12
D806
B-12
D807
B-13
D808
B-13
D809
B-9
D810
B-10
D811
B-10
D812
B-9
D813
B-10
Ref. No.
Location
D814
B-12
D815
B-11
D816
B-12
D817
B-12
D820
F-2
IC405
G-8
IC406
G-9
IC501
D-4
IC701
F-9
Ref. No.
Location
IC751
F-5
Q361
F-9
Q362
F-4
Q363
D-5
Q364
D-5
Q379
G-9
Q520
B-4
Q550
C-12
Q551
C-13
Ref. No.
Location
Q720
B-5
Q730
B-6
Q731
B-6
Q732
B-6
Q861
F-2
Q862
G-2
Q863
F-2
Q866
G-2
JW105
JW107
JW111
JW115
JW117
JW125
JW132
JW133
JW134
JW135
JW136
JW137
JW140
JW144
JW146
JW147
JW148
JW149
JW150
JW151
JW152
JW153
JW154
JW155
JW160
JW162
JW172
JW174
JW175
JW176
JW178
JW179
JW180
JW181
JW182
JW183
JW184
JW186
JW187
JW188
JW193
JW194
JW196
JW198
JW200
JW201
JW202
JW203
JW204
JW205
JW210
JW216
JW222
JW227
JW228
JW208
JW207
JW206
JW209
JW190
JW211
JW229
JW230
JW231
JW234
JW235
JW236
JW241
JW128
JW126
JW124
JW129
JW127
JW131
JW104
JW251
JW252
JW106
JW108
JW109
JW253
JW254
JW199
JW842
JW168
JW197
JW841
JW213
JW159
JW158
JW165
JW116
JW112
JW223
JW217
JW118
JW120
JW242
JW255
JW256
JW257
JW258
JW119
JW122
JW243
JW121
JW123
JW130
JW215
JW224
JW214
JW221
JW219
JW212
JW220
JW233
JW171
JW139
JW142
JW143
JW141
JW157
JW161
JW114
JW113
JW259
JW185
JW226
JW218
JW261
JW250
JW260
JWH03
RY701
C507
D520
Q520
D809
D816
TM601
C818
C801
C819
C816
C791
CNS822
D521
D720
D721
R832
D621
D817
C804
C806
C817
D812
C803
D811
C821
C813
D806
D807
D808
C820
CNP804
Q550
C373
Q861
RY501
CNP802
C561
C564
C565
Q730
Q862
Q863
Q866
Q731
D813
R522
C562
C732
C730
IC406
R885
C446
C444
C445
D810
C447
R379
C641
R831
D804
R810
R811
D803
Q379
D801
C812
C811
C805
R750
CNS402
CNP801
C815
C802
CNP861
D814
D815
IC501
C504
R505
C509
L507
C518
C508
C511
C374
C814
IC701
IC405
C703
C704
C709
L707
C718
C707
C710
C711
IC751
C751
R751
C752
C753
C754
R755
C759
L757
D805
C761
C372
CNP821
C705
C755
R881
R884
R883
R882
R360
C871
R362
Q362
R752
R380
R555
R557
R551
Q551
C563
D550
R552
R556
R554
R553
R558
D802
JW240
R722
D731
R730
Q732
R731
R733
R732
R540
R740
Q720
JW173
R791
R641
C794
C544
C744
JW170
JW169
R741
C741
CN820
JW167
JW166
R509
C506
R507
R508
R504
R503
C503
R502
C502
Q363
R368
R375
C501
R501
R515
C510
Q364
R366
JW177
R367
C708
R705
C702
C371
Q361
R363
R702
C701
R701
R373
C768
C760
R765
C758
C757
C756
R757
R758
JW103
R753
R754
R374
JW102
R708
R709
R707
R361
R381
R704
R703
R759
R510
R760
R710
C706
R715
D820
R910
E
E
E
E
E
E
E
E
E
E
Q
C
B
1
YEL
BLK
RED
3
E
E
E
E
E
1-861-780-
11
(11)
MAIN BOARD
1
1
1
4
1
3
3
5
T901
J
T901
H
STBY BOARD
CNP903
K
T901
G
1
11
2
10
11
1
10
2
11
1
10
2
1
2
19
18
DIGITAL BOARD
CNS194
C
I/O BOARD
CN404
F
I/O BOARD
CNS401
E
1
1
10
3
1
3
-1
-2
-1
-2
4
1
(CHASSIS)
+
+
+
–
–
–
R
FRONT
CENTER
L
SPEAKERS
IMPEDANCE USE 6 – 16
Ω
M1
(FAN)
M
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
13
(Page 20)
(Page 20)
(Page 20)
(Page 20)
(Page 12)
(Page 17)
(Page 17)
20
20
STR-KSL900W
STR-KSL900W
4-11. PRINTED WIRING BOARD – STBY BOARD –
•
See page 7 for Circuit Boards Location.
: Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D951
B-6
D952
B-3
D953
B-3
D954
A-3
D955
B-3
D956
B-4
D957
B-4
Q901
C-3
Q951
B-3
F901
G102
JW950
R952
CNP902
C925
T902
D953
C921
C923
D954
R951
Q951
C922
D956
D955
D957
D951
RY901
Q901
FH901
CNP901
FH902
D952
C924
R953
CNP903
R956
R955
R954
E
E
1-861-781-
11
(11)
STBY BOARD
2
1
(AC IN)
1
2
SUB POWER
TRANSFORMER
(CHASSIS)
T901
MAIN POWER
TRANSFORMER
MAIN
BOARD
CN820
(Page 19)
K
MAIN BOARD
CNP801
(Page 19)
G
4
1
MAIN BOARD
CNP804
(Page 19)
H
MAIN BOARD
CNP802
(Page 19)
J
A
B
C
D
1
2
3
4
5
6
7
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