Sony KV-SW14M50 Service Manual page 34

4-3-2. A Board — Audio (Block 002)
1 2
CN201
XX
WHT
To J Board
A CN3400
R238
100
RN-CP R237
100
R239
RN-CP
XX
C223
C235
RN-CP
XX
470
CH
R233
JR1256
XX
XX
FPRD
CHIP
C201
C230
1 C202
XX
0.033
6.3V
B
R200 16V
:CHIP
1PS226-115
4.7K
RN-CP
R2014.7K C205
C200
RN-CP 1
R202
1
10K
6.3V
RN-CP
C236
CHIP
XX
R204
4.7K
RN-CP
C203
0.033
R207 16V
R203
2.2K B
4.7K
RN-CP
RN-CP
R205
10K
RN-CP
C204
C206
C 0.22 0.033
16V
9V
CHIP
R223
R226
XX
XX
RN-CP
RN-CP
Q205
XX
BUFFER
R227
XX
R222
RN-CP
C226
RN-CP
C225
XX
XX R224
XX
R228
RN-CP
C227
XX
XX
D
RN-CP
R225
XX
9V
RN-CP
RN-CP
Q206
UN2211
MUTE CCT
E (SOFTWARE RESET)
F
KV-SW14M50/M51/M80/M90
3 4
CN200
4P
WHT
J200
TO SPEAKER TO SPEAKER
177078622
J202
J201
XX
XX
W062
L201 IC200
XX
AN17808A
D200
AUDIO AMP
PROTECT
R208
2.2K
RN-CP
C208
C207
0.033
0.22
1
16V 2 3 4 5 6 7 8 9
PT
CHIP
C210
R211 100
C209 15k
1
RN-CP
C237
XX
R210
D209
R213
C212
15k 10K
XX
XX
CHIP RN-CP
Q200
R214
R232
D210
UN2211 33K RN-CP
XX
XX
RN-CP BUFFER
Q204
XX
C224
C228 C211 R212
R215
BUFFER
XX
4.7
XX 0
10k
CHIP
RN-CP
R229 R230 C229
XX XX XX R216
RN-CP CHIP
10k
D201
RN-CP
MMDL914T1
XX D202
SWITCH
MMDL914T1
D207
SWITCH
XX
R236
10k
D208
D215
RN-CP MMDL914T1
XX
SWITCH
D213
R241 2.2k
MMDL914T1
2.2k RN-CP
STOPPER
D212
MMDL914T1
D2625
STOPPER
S3L20UF4
D214
RECTIFIER
FB2607
MMDL914T1
1.1
STOPPER
!
FB2602
PS2601
XX
5A 90V
R2646
1
D2626
FPRD
XX
RECTIFIER
– 34 –
KV-SW14M50/M51/M80/M90
RM-GA002
5
CN202 CN203
XX XX
WHT
C240
C239
XX
XX
R217
330 C217
1000 R219
C214
25V 330
1000
R240
25V
XX
CHIP
R234
C218
47
R235
FPRD 22
47
10 11 12
FPRD
C216
22
C231 C232
0.047
0.047
PT
C220
10
C215
C213
2200
0.1
D205
Q202 MMDL914T1
B
2SA1235-F
STOPPER
AC MUTE
R221
C219 1k
Q201
RN-CP
R218 220
2SA1235-F
16V
0
BUFFER
CHIP
R220
C221
0
XX
D203
CHIP
MMDL914T1 D204
9V
SWITCH MMDL914T1
SWITCH
D211
1PS226-115
PROTECT
9V
(+B & AUDIO GND)
C2631
470p
C2636 C2648
500V
1000
1000
B
35V
L2601
10uH
R2647
10k
FPRD
R2645
XX
C2601
XX
C2602
470p
B
RM-GA002
7
6
A
(Block 002)
AUDIO
B-BX1S(05)12889-EM.A..(Block 002)-SW14M50
– 35 –
8
A
B
C
D
E
F