Schematic Diagram - Diat Amp Section (4/4) - Sony TA-SB500WR2 Service Manual

TA-SB500WR2
3-7. SCHEMATIC DIAGRAM – DIAT AMP Section (4/4) –
1 2
DIAT AMP BOARD (4/4)
A
B
3.4
Q108
2SA1235TP-1EF
C
Q108,109
OVER LOAD DETECT
D
3.3
2SC3052EF-T1-LEF
E
IC110
F
POWER DRIVER
G
4
R412
0
DRIVER/OCP
DIAT AMP
DRIVER/RST
BOARD
H
(2/4)
(Page 12)
GND
OUTL1
5
OUTL2
OUTR1
DIAT AMP
BOARD
VDD
(3/4)
SD
(Page 13)
I
OUTR2
TA-SB500WR2
All manuals and user guides at all-guides.com
• See page 17 for IC Block Diagrams.
3 4 5
R159
C169 R158 100k
2.2 100k
R157
100k
3.4 3.4
3.4
Q109
2SA1235TP-1EF
0 0
R204
10k
C184
C166 2.2 R205
10k 1
C192
R155 100k
1
0
L112
D104
10uH
P6SMBJ33A-5
Q107
C199
PROTECT DETECT
2200
35V
C170
1
C180 C181 R167 R180
0.22 0.22 3.3 3.3
C177
0.033
IC B/D
11.2 27.3 27.3
12 12 3.4 3.4 3.4 3.4
36 35 34 33 32 31 30 29 28 27 26
IC110
CXD9774M
1 2 3 4 5 6 7 8 9 10 11
1.6 0 0 12 0 3.4 0 3.4 3.3
R178
C186
0.1
C243
C188
0.1
0.01
D300
1SS355WTE-17
R263
4.7k
6 7 8
R156
R154
C165
100k
2.2 100k
R153
100k
3.4 3.4
3.4 3.4
Q105 Q106
2SA1235TP-1EF 2SA1235TP-1EF
0 0
Q105,106
OVER LOAD DETECT
R206 R207 R209
10k 10k 10k
L115 L118
D105
10uH
10uH
P6SMBJ33A-5
C269
1000p
C200 C201
1 1
C191 C190
0.22 0.22
C203
C197
0.033 0.033
27.3 27.3 11.2 11.2 27.3 27.3
12 12 12 12
25 24 23 22 21 20 19 36 35 34 33 32
12 13 14 15 16 17 18 1 2 3 4 5
3.3 1.6 1.6 0 0 12
R179
0
1k
C244
0.1
14 14
9 10
C286
0.01
L126 0.6uH
C287
0.01
L125 0.6uH
C288
0.01
L124 0.6uH
L123 0.6uH
C289
0.01
R208 C212 C216 R210 R211
10k 10k 10k
1 1
L121
D106 D107
10uH
P6SMBJ33A-5 P6SMBJ33A-5
C235
C270
2200
1000p
35V
C385
C238 100
35V
1
C207 C208 R189 R198 C222 C221
3.3 3.3
0.22 0.22 0.22 0.22
C231
0.033
27.3 27.3 11.2
3.4 3.4 3.4 3.4 12 12
31 30 29 28 27 26 25 24 23 22 21 20 19
6 7 8 9 10 11 12 13 14 15 16 17 18
0 3.4 0 3.4 3.3 3.3 1.6
R196
1k
C211
0.1
C215
0.01
R197
0
11 12 13
TB301
SPEAKER
SURROUND SURROUND
L R
- -
+ +
ET301
(CHASSIS)
6
PVDD
DIAT AMP
GVDD BOARD
(3/4)
(Page 13)
IC B/D
IC112
POWER DRIVER
IC112
CXD9774M