A Board - Audio (Block B) - Sony TRINITRON KV-XR29M50 Service Manual

4-3-3. A Board — Audio (Block B)
1 2 3
A
B
R238
100
RN-CP
C234
JR1280
470P
XX
CHIP
C
C201
0.22 16V
B:CHIP
C200
0.22 16V
D
B:CHIP
R204
3.3K
CHIP
E
F
G
H
A
AUDIO
(BLOCK B)
I
J
KV-XR29M50/XR29M80
4 5 6
CN203
XX
WHT
TO B BOARD
CN 205
R237
100
RN-CP
C235
470P C202
CHIP
0.047
16V
R208
R200 B 6.8K
RN-CP
3.3K
CHIP
C205
C208
0.47
R201
R202 0.01 25V
3.3K
B:CHIP
5.6K
CHIP
CHIP
C236 C207
R203
0.1 1 2
XX
3.3K
PT
C237
CHIP
XX
C203
0.047 16V
R207 B:CHIP
6.8K
R211
CHIP
C209
15K
R205
0.47
RN-CP
5.6K
R210
C206
RN-CP
15K
C204
0.01 25V
CHIP
0.1
R233
XX
PT:CHIP
R232
C211
C230
XX
XX
CHIP
PT
R241
C238
R240
D212
2.2 2.2k
2.2k
MMDL914T1
16V
CHIP
CHIP
F
R242
22k
D213
Q203
CHIP
MMDL914T1
MSD601-RT1
SWITCH
– 38 –
KV-XR29M50/XR29M80
RM-W104 RM-W104
7 8 9
IC200
AN5276T
D200
AUDIO AMP DA204K
R234
47
3 4 5 6 7 8 9 10 11 12
C231
0.047
PT
D209
C212
MSB709-RT1
XX
XX
AC MUTE
C213
C215
D210
4.7 2200
0.1
XX
B:CHIP
R212
R218
0
0:CHIP
CHIP
D201
MMDL914T1
SWITCH
R236
D203
10K
MMDL914T1
RN-CP
SWITCH
D202
MMDL914T1
SWITCH
R2644
4.7
FPRD
10 11 12
CN202
CN208
6P:S-MICRO
XX
WHT
TO H3 BOARD
CN3903
C217
C214 R219
1000
1000
330
25V
25V
CN204
R235
47
3P:S-MICRO
C218
22
C232
TO B BOARD
0.047
CN206
PT
3 AUDIO VCC
2 AUDIO VCC
1 GND
C220
10
Q202
R221
D205
1k
MMDL914T1 RN-CP
D206
XX
C219
220
16V
R220 C221
0 XX
CHIP 25V
D204
MMDL914T1
SWITCH
D211
XX
B-SSS12091-SA-AUDIO-XR29M80
– 39 –
13 14
XX
YEL