Schematic Diagram - Main Board (10/10) - Sony STR-KS2000 - Blu-ray Dvd Receiver Component Service Manual

6-15. SCHEMATIC DIAGRAM - MAIN Board (8/10) -
1 2 3
A
MAIN BOARD (8/10)
B
C R3225
100k
R3227
100k
C3127
2.2
D
Q3201,3202
OVER LOAD 15.7
15.7 DETECT
15.7 15.7
Q3202 Q3201
2SA1235TP-1EF 2SA1235TP-1EF
0
0
1
5
E
6
C3265
1
40
C3262
C3263
L3252 35V
0.1
100
F
28
G
MAIN
BOARD
(7/10)
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
(Page
24)
C3256
0.033
H
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
I
C3254
R3257
0.1
15k
R3253
0
7
J
8
9
K
STR-KS2000
• See page 41 for IC Block Diagrams.
4 5 6 7
L3907 L3908 L3910
R3425
100k
R3226 R3426
100k 100k
R3427
100k
C3126
2.2
15.7 Q3401,3402 15.7
OVER LOAD
DETECT
15.7
15.7
Q3401
Q3402
2SA1235TP-1EF
2SA1235TP-1EF
0
0
JW3004
JW3003
C3215
C3214
C3264 C3266
1 1
2200
1
35V
C3212
C3213
C3258
100
L3251 0.1
0.1 L3202 35V
10uH
10uH
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
C3206
C3257
0.033
0.033
R3043
0
R3207 C3204
0.1
15k
R3042
IC B/D
0
C3203
0.1
IC3250
DIGITAL POWER AMP
R3203
IC3250
R3266
0
0 CXD9883M
R3265 0 R3215 0
8 9 10 11
L3909
L3912
R3175
100k
R3177
R3176
100k
100k
C3125
2.2
15.7 15.7
15.7 Q3151,3152
OVER LOAD 15.7
DETECT 15.7
Q3152
Q3151
2SA1235TP-1EF
Q3102
2SA1235TP-1EF
2SA1235TP-1EF
0 0
JW3002 JW3001
C3216
L3152
2200 C3165 C3166
C3164
1 2200
35V 1
35V
C3162
C3163
100
0.1
35V
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
C3156
0.033
18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
IC B/D
R3157
C3154
15k 0.1
IC3200
DIGITAL POWER AMP
IC3200
R3153
R3216 CXD9883M R3166
0
0 0
0
R3165
25 25
12 13 14 15
R3125
100k
R3127
100k
R3126
100k
15.7
C3124
15.7 2.2 15.7
Q3101,3102
OVER LOAD
Q3101
DETECT 0
2SA1235TP-1EF
0
C3114
C3115
1
1
C3112 C3113
L3151 L3112
100
0.1
10uH 10uH
35V
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
IC B/D
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
IC3150
DIGITAL POWER AMP
IC B/D
IC3150
CXD9883M
IC3100
C3157
C3106
0.033
0.033
DIGITAL POWER AMP
C3104
IC3100
R3041
0.1
CXD9883M
0
R3107
15k
C3105
C3155
R3040 0.1
0.1
0
R3103 R3116
0
0
R3115
0
STR-KS2000
16 17 18
-
SUR L
+
-
SURR
TB3002
+
SPEAKERS
-
FRONT L
+
-
FRONT R
+
JW3000
L3111
C3116
2200
35V
CN3002
C3107
4P
0.033
P-GND
1
D
R3051 100k
2 32.0V
32.0V
3
SMPS
C3051
0.1
BOARD
4 P-GND
CN902
(Page
39)
EB3003
EB3002
(CHASSIS)
C3091
220
16V
24
L3052 MAIN
BOARD
A12V
(4/10)
(Page 21)
42
38
39
29
37
36
MAIN
BOARD
34
(10/10)
35
(Page 27)
33
32