Schematic Diagram - Diat Amp Section (4/4) - Sony TA-SB500WR Service Manual

TA-SB500WR
Q Q
3 7 6 3 1 5 1 5 0
4-7. SCHEMATIC DIAGRAM – DIAT AMP Section (4/4) –
1 2
DIAT AMP BOARD (4/4)
A
B
3.4
3.4
Q108
2SA1235TP-1EF
C
Q108,109
OVER LOAD DETECT
D
3.3
2SC3052EF-T1-LEF
PROTECT DETECT
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
IC B/D
IC110
F
POWER DRIVER
IC110
CXD9774M
G
4
R412
0
DRIVER/OCP
DIAT AMP
DRIVER/RST
BOARD
H
(2/4)
(Page 12)
GND
5 OUTL1
w w w
OUTL2
OUTR1
DIAT AMP
BOARD
VDD
(3/4)
SD
(Page 13)
I OUTR2
TA-SB500WR
• See page 17 for IC Block Diagrams.
3 4 5
R159
C169 R158 100k
2.2 100k
R157
100k
3.4
3.4
Q109
2SA1235TP-1EF
2SA1235TP-1EF
0 0
R204
10k
C166 2.2 R205 C184 R206
10k 1 10k
C192
R155 100k
1
0
L112
D104
D105
10uH
P6SMBJ33A-5
P6SMBJ33A-5
Q107
C199
2200
35V
C170
1
C180 C181 R167 R180 C191
0.22 0.22 3.3 3.3 0.22
C177
0.033
11.2 27.3 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 25
1 2 3 4 5 6 7 8 9 10 11 12
1.6 0 0 12 0 3.4 0 3.4 3.3 3.3
R179
R178
0
1k
C186
0.1
C243
C188
0.1
0.01
D300
1SS355WTE-17
R263
4.7k
x a o
. i
http://www.xiaoyu163.com
6 7 8
R156
C165 R154
100k
2.2 100k
R153
100k
3.4 3.4
3.4 3.4
Q105 Q106
2SA1235TP-1EF
0 0
Q105,106
OVER LOAD DETECT
R207 R209
R208
10k 10k
10k
L115 L118
D106
10uH
10uH
P6SMBJ33A-5
C269
1000p
Q Q
3 7
C200 C201
1 1
C190
C207 C208
0.22
0.22 0.22
C203
C197
0.033 0.033
27.3 11.2 11.2 27.3 27.3
12 12 12 12 3.4 3.4
24 23 22 21 20 19 36 35 34 33 32 31 30
13 14 15 16 17 18 1 2 3 4 5 6 7
1.6 1.6 0 0 12 0 3.4
C244
0.1
u 1 6 3
y
14 14
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11
C286
0.01
L126 0.6uH
C287
0.01
L125 0.6uH
C288
0.01
L124 0.6uH
L123 0.6uH
C289
0.01
ET301
R210 R211
C212 C216
10k 10k
1 1
L121
D107
10uH
P6SMBJ33A-5
C235
C270
2200
1000p
35V
6 3 1 5 1 5 0 8 9
C385
C238 100
35V
1
R189 R198 C222 C221
3.3 3.3 0.22 0.22
C231
0.033
27.3 27.3 11.2
IC B/D
3.4 3.4 12 12
29 28 27 26 25 24 23 22 21 20 19
IC112
POWER DRIVER
IC112
CXD9774M
8 9 10 11 12 13 14 15 16 17 18
0 3.4 3.3 3.3 1.6
R196
1k
C211
0.1
C215
0.01
R197
0
m
c o
.
2
8 9 9
12 13
TB301
SPEAKER
SURROUND SURROUND
R
L
- -
+ +
(CHASSIS)
2 4 9 8 2 9 9
6
PVDD
DIAT AMP
GVDD
BOARD
(3/4)
(Page 13)