Sony bg3r chassis kv-xa34m30a Instruction De Maintenance
A
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B
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KV-XA34M30A
RM-952
KV-XA34M30A
RM-952
(1) A Board Schematic Diagram
– 40 –
– 39 –
1
2
3
4
3
1
2
9
V
3
0
V
5
V
S
C
L
S
D
A
A
S
R
F
A
G
C
V
I
F
9
V
A
F
T
O
U
T
G
N
D
R
O
U
T
L
O
U
T
N
C
N
C
V
OL
C
ON
T
N
C
N
C
N
C
5
V
D
E
T
O
U
T
P
L
L
-S
W
N
C
N
C
N
C
S
C
L
S
D
A
N
C
1
2
3
4
1
2
3
4
5
6
7
8
V
L
R
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
1
2
1
2
3
4
1
2
3
1
-2
1
2
-3
-3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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25
26
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28
1
2
3
4
5
6
7
8
9
1
0
1
2
3
1
2
3
4
5
6
7
1
2
3
1
2
3
1
2
3
1
2
3
C025
C030
C028
C005
C002
C021
D0
0
1
R909
R910
JR402
C332
R340
JR302
R358
R365
R364
C317
C110
C109
R
1
1
2
R111
C107
C105
R105
R109 R110
C033
R366
R367
R368
R046
R
0
4
4
R041
R040
R048
R050
R003
10K :CHIP
10K :CHIP
R303
C114
R349
C009
C010
C011
C012
R319 100 :CHIP
JR105
J
R
1
0
1
L101
L104
L105
L905
R019
10K
:CH
IP
C301
C017
R302
R053
R042
JW203
R211
Q204
R214
R213
R400 C400
JW104
JR104
C003
JR110
L
0
0
2
L003
C257
C410
C411
C412
C413
C414
D407
D408
D409
R107
R108
R420
R421
R422
R423
R424
R425
C008
R330
C339
R362
C006
C026
C027
C031
X301
X302
L301
R390
C045
C046
R376
C340
D317
C326
C306
R335
C048
C050
C051
C054 #
JW201
C327
L302
C331
CN001
D319
R057
R043
R116
R016
C014
C113
C108
C112
C007
C104
C913
C346
C323
R304
JW008
JR111
C029
R030
R007
R006
JW092
JR108
C106
C101
C329
JR203
R226
R225
R227
R106
CN308
CN309
CN107
Q203
JW204
C912
JW006
JW017
FB103
JW112
JW075
C320
R055
C034
CN905
C004
JW111
D303
D304
R052
CN310
C043
C115
C116
C117
C300
C314
C321
CN103
CN105
CN201
CN302
C316
C310
C303
CN608
D003
D004
R113
R305
C305
Q309
Q311
R023
R038
R039
R049
R054
FB101
FB102
R381
R382
R339
R327
R328
R329
R022
R
1
0
3
L
1
0
3
L
1
0
2
C016
R029
D305
D002
D322
C330
C032
R036
R331
Q005
C019
C055
C213
C214
C216
0.01
B
0.01
B
C217
C219
0.15
:MPS
0.15
:MPS
C220
1000
25V
1000
25V
C221
10
10
C223
C224
C225
C226
C264
C322
C335
C347
C348
C349
C351
C352
C353
C356
C357
CN202
D006
FB300
IC201
JR308
JW080
L001
L005
L303
L304
PS200
R017
R061
R062
R065
R066
R067
R068
R228
4.7
4.7
R229
R237
R301
R306
R311
R312
R313
R314
R316
R317
R318
R325
R326 0 :CHIP
R332
R378
R379
R380
R383
R901 R902
JW025
R336
R352
R353
JW202
CN205
JR001
JR202
TP001
TP002
JW206
JW207
C277
R247
C
2
7
6
R246
C
2
7
5
C274
C272
C273
C271
R239
C
2
3
0
C229
C228
R238
C227
C278
C279
C280 C281C282
R242
R243
C283
IC203
J
D007
D008
D009
C020
C056
C905
C906
C907
C908
C909
C910
C911
C914
CN203
CN204
D401
D402
D403
D404
D405
D406
D901
D902
D903
D904
D905
D906
IC901
J401
J901
J902
JR401
JR403
JR404
JR405
JW901
JW902
L
2
0
4
Q401
Q402
Q403
Q404
Q901
Q902
R401
R402
R403
R405
R406
R407
R408
R409
R410
R411
R412
R413
R414
R415
R416
R417
R418
R419
R903
R904
R905
R906
R907
R908
R911
R912
R913
R914
R915
R916
R917
R918
S901
S902
S903
S904
S905
S906
S907
C
2
5
6
C259
C401
C402
C403
C404
C405
C406
C407
C408
C409
C415
R426
C309
C350
R384
R385
JR312
Q310
CN303
C
3
1
3
0
.1
2
5
V
C315
R315
R323
R324
Q304
Q316
Q317
C018
R391
D011
D010
C902
C901
L901
L902
Q002
Q001
Q313
Q301
D301
D313
Q101
Q307
D203
Q205
Q207
Q206
Q201
Q202
Q3
1
4
2
S
A
1
1
6
2
-G
B
UF
F
E
R
Q305
Q303
Q306
X001
R037
C203
R206
R205
R209
R207
C207
R203
R204
C208
R230
R212
R375
#
#
D315 MMDL914T1
Q312
TU101 BTF-WG441
J
R
1
0
7
R102 100
CH:CHIP
CH:CHIP
JW100
JR109
R028 10K :CHIP
CN301
CN307
Q315
D309
D312
22
220p
B:CHIP
C015
0.001
B:CHIP
0.001
B:CHIP
4.7k
:CHIP
4.7k
:CHIP
4.7
100
:CHIP
1k
:CHIP
R361
10K
:CHIP
10K
:CHIP
220
:CHIP
0
:CHIP
470p
B:CHIP
470p
B:CHIP
1
0
0
:
C
H
IP
100
:CHIP
470p
B:CHIP
0
:CHIP
470
:CHIP
10k
:CHIP
10k
:CHIP
10k
:CHIP
1
0
0
:
C
H
I
P
100
:CHIP
100
:CHIP
R035
10
0
:CHIP
10k
:CHIP
10k
:CHIP
1k
:CHIP
47
10k
:CHIP
0.022
B:CHIP
M
M
DL914T1
470
16V
#
#
#
#
#
#
#
#
#
#
#
#
#
#
68p
CH:CHIP
1k
:CHIP
0 :CHIP
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
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#
#
#
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#
#
#
#
0
:CHIP
#
#
#
12k
:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
:CHIP
#
#
22k
:CHIP
R350
#
#
#
#
#
R357
18K
:CHIP
18K
:CHIP
18p CH:CHIP
C
3
2
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0
.1
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5
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B
:C
H
IP
R026 3.9K :C
HIP
680
:CHIP
#
#
100P
#
22
#
4.7
#
I
#
#
1k
:CHIP
#
#
47
25V
47
25V
47
16V
47
16V
47
16V
100
10V
10V
100
10V
#
#
10k
:CHIP
C308
220p
CH:CHIP
#
#
#
#
#
#
#
#
#
#
0.1
25V
B:CHIP
4.7
#
220 :CHIP
220 :CHIP
220 :CHIP
#
#
#
#
#
#
0.1
25V
B:CHIP
#
#
#
#
#
0.01 F:CHIP
#
#
#
220p
B:CHIP
#
#
#
#
04
4
10
0
CH
:CHIP
#
#
#
#
#
2.2 16V :CHIP
#
#
#
#
#
47
25V
4.7
10
#
#
#
820
:CHIP
1.2k
:CHIP
0.1 25V B:CHIP
R333
#
#
#
#
#
1K
#
#
#
#
#
#
4.7K
#
#
#
#
100
:CHIP
#
47p
CH:CHIP
1k
:CHIP
#
R015
100:CHIP
100:CHIP
#
#
0.1
25V
B:CHIP
0.47
16V
B:CHIP
100 :CHIP
R031
1K
:CHIP
1K
:CHIP
0 :CHIP
#
47
25V
100p
CH:CHIP
100
16V
1000
25V
10
22
470p
CH:CHIP
1
10V
B:CHIP
1
10V
B:CHIP
2.2
16V
F:CHIP
470p
B:CHIP
0.1
25V
B:CHIP
C338
#
#
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3
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IP
100
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0.1
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B:CHIP
0.1
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B:CHIP
10
0.1
25V
B:CHIP
1
1
0.1
25V
B:CHIP
4P
WHT
:MINI
MMDL914T1
1.1UH
TAD8223K
0
:CHIP
#
JW(5)
:CHIP
LINK
1k
:CHIP
220
:CHIP
470
:CHIP
470
:CHIP
1k
:CHIP
1k
:CHIP
470
:CHIP
10k
:CHIP
4.7
:CHIP
10k
:CHIP
#
470
:CHIP
390
:CHIP
330 :CHIP
27k
:CHIP
330
:CHIP
56k
:CHIP
390
:CHIP
R322
220
:CHIP
220
:CHIP
470
:CHIP
220
:CHIP
470
:CHIP
10M
:CHIP
470 :CHIP
1k
:CHIP
330 330
#
#
#
#
5MM
1P
0
:CHIP
0
:CHIP
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#
#
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#
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5MM
5MM
#
#
#
#
#
#
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#
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#
#
#
#
#
#
#
#
#
#
#
#
0.22 :CHIP
0
:CHIP
470
:CHIP
150
:CHIP
#
2SC2712-YG
#
#
#
#
#
#
#
#
47P
0
:CHIP
#
#
0.01
:PT
0.01
:PT
2SC2712-YG
BUFFER
2SA1162-G
MUTE
2SC2712-YG
BUFFER
2SA1162-G
VCC
FALL DETECTOR
MMDL914T1
PROTECT
MMDL914T1
PROTECT
2SC2712-YG
BUFFER
2SA1162-G
SCP BUFFER
2SC2712-YG
BUFFER
DA204K
GND-GND DIODE
UN2213
MUTE
UN2213
MUTE
UN2213
MUTE
UN2216
MUTE SW
UN2216
MUTE SW
2SA1162-G
BUFFER
2SA1162-G
BUFFER
2SC2712-YG
AMPLIFIER
VIBRATOR,CERAMIC
100
:CHIP
8200P CH:CHIP
1.0k
4.7k
1.5K
2.7k :CHIP
C265 2.2 16V :CHIP
0.68 :PP
2.2k
4.7k :CHIP
47
10k
120
D316 RD9.1S-B
2SA1162-G
0
:
C
H
IP
#
#
#
UN2213
SWITCH
SWITCH
D3
0
6
M
M
DL
9
1
4
T
1
P
RO
T
E
CT
RD5.1SB-T2
PROTECT
MMDL914T1
CLAMP
S
T
B
Y
+
5
V
H
D
S
T
-
B
Y
N
S
M
U
T
E
H
P
V
D
-
V
D
+
E
W
A
B
L
7V
7
V
1
1
V
+
B
9V
5
V
9
V
30V
S
T
B
Y
7
V
7
V
9
V
A
U
D
I
-
G
N
D
A
U
D
+
V
C
C
V
O
L
C
O
N
T
S
A
P
S
T
A
U
D
I
O
S
W
LED1
LED2
L
LED1
LED2
R
C
V
/
Y
L
S
A
P
S
T
V
O
L
C
O
N
T
L
R
S
I
N
C
I
N
C
I
N
S IN
SDA
A
U
D
I
O
S
W
R
L
R
CV/Y
Y
M
G
R
Y
S
LED2
LED1
C
V
/
Y
1
YS
R
L
R
-
Y
Y
Y
S
B-
Y
Y
M
R
G
B
Y
S
S
D
A
S
C
L
S
D
A
S
C
L
SDA
SCL
B
S
D
A
S
C
L
SCL
SDA
L
R
SCL
L
R
R
L
S
C
L
S
D
A
R
G
B
Y
S
R
L
C
V
/
Y
1
R
-
Y
B
-
Y
Y
Y
S
L
R
S
D
A
S
C
L
R
R
L
L
C
V
/
Y
GND
B-INT
SDA
SCL
B
-
Y
I
N
R
-
Y
I
N
G
N
D
Y
I
N
Y
S
I
N
G
N
D
Y
O
U
T
G
N
D
R
-
Y
O
U
T
B
-
Y
O
U
T
7
V
G
N
D
3
0
V
G
N
D
A
F
T
2
S
C
P
V
T
I
M
RED
GREEN
BLUE
BLK
GND
SDA
SCL
GND
VP
SCP
CVBS
9V
ATT.SW
GND
G
N
D
9V
AUDIO R
AUDIO L
VIDEO
AUDIO IN 2
R
AUDIO IN 2
L
AUDIO IN 1
R
AUDIO IN 1
L
VIDEO IN 1
VIDEO IN 2
(MONO)
(MONO)
(MONO)
OUT
MONITOR
MUTE
GND
GND
AUD GND
AUD GND
AUD +VCC
AUD +VCC
7
V
GND
PROT
R OUT
GND
L OUT
V2
GND
TO TUVIF
CN703
R
E
S
E
T
5
V
G
N
D
G
N
D
L
I
N
R
I
N
L
O
U
T
R
O
U
T
G
N
D
V
I
D
E
O
1
V
G
N
D
V
I
D
E
O
1
M
O
M
U
T
E
C
V
S
S
A
G
N
D
9
V
A
G
N
D
N
C
N
C
N
C
N
C
MU
TE
D
E
-E
MD
A
F
I
N
A
F
O
U
T
I
F
G
N
D
C
V
B
S
B
.
S
.
2
R
O
U
T
V
C
C
1
L
O
U
T
B
.
S
.
1
G
N
D
V
C
C
2
N
F
1
L
I
N
G
N
D
R
I
N
/
G
N
D
N
F
2
/
R
I
N
G
N
D
/
N
F
2
R
I
P
P
L
E
TO U1
U1
U1
R
_
I
N
3
/
T
V
R
R
_
I
N
2
/
F
R
R
_
I
N
1
/
R
R
L
_
I
N
1
/
R
L
L
_
I
N
2
/
F
L
L
_
I
N
3
/
T
V
L
L
_
I
N
4
/
R
2
L
M
U
X
O
U
T
(
L
)
I
N
(
L
)
M
U
X
O
U
T
(
R
)
I
N
(
R
)
B
I
N
(
R
)
B
O
U
T
(
R
)
B
I
N
(
L
)
B
O
U
T
(
L
)
L
P
/
N
C
P
S
1
/
N
C
T
R
E
B
L
E
(
L
)
T
R
E
B
L
E
(
R
)
D
I
G
_
G
N
D
S
C
L
S
D
A
C
R
E
F
V
S
A
G
N
D
R
_
O
U
T
L
_
O
U
T
R
_
I
N
4
/
R
2
R
5V
5V
5V
5V
5V
5V
5V
30V
30V
30V
30V
9V
9V
9V
9V
9V
9V
9V
9V
11V
11V
11V
30V
A
U
D
I
O
(
L
)
A
U
D
I
O
(
R
)
A
U
D
I
O
(
R
/
L
)
A
U
D
I
O
(
R
/
L
)
AUDIO(R/L)
A
U
D
I
O
(
L
)
R
-
Y
B
-
Y
R-Y
B
-
Y
R
/
G
/
B
R
/
G
/
B
R
/
G
/
B
R
/
G
/
B
R
G
B
9V
9V
9V
9V
9V
TV
TV
TV
TV
TV
SYSTEM CONTROLLER,YC JUNGLE,DEFLECTION
TUVIF,FRONT AMP,POWER SUPPLY
(
(
5V
B-SSS11195-CKD-A..(PAGE1/2)
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1000 25V
R231
0 :CHIP
0 :CHIP
C218
0.15
:MPS
0.15
:MPS
R234 4.7
C202 8200P
CH:CHIP
CH:CHIP
R202
2.7K
2.7K
R208
1.5K
1.5K
C204
0.68
0.68
C205 #
C2086 #
R210
120
120
JW205 5MM
JR204
0 :CHIP
C212 100 16V
C209
47
47
C210
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C211
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470
25V
R370
220
:CHIP
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C325 1.0 :CHIP
D307
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D308
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MMDL914T1
PROTECT
D320
RD9.1SB
RD9.1SB
R354
2.2K :CHIP
R359
220:CHIP
R355 2.2K :CHIP
R360 220 :CHIP
R356
2.2K
:CHIP
2.2K
:CHIP
R334
#
#
R351
1.5K
:CHIP
1.5K
:CHIP
R363
18K :CHIP
18K :CHIP
C324
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B:CHIP
D311
1SS355TE-17
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R348
10K
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R345
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R321
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150
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:CHIP
C341
0.22
25V
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0.22
25V
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D314
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MMDL914T1
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NC
R404 #
C304 47
C103
0.1 25V
0.1 25V
JR102
0
:CHIP
0
:CHIP
R027 10K :CHIP
C024 10P CH:CHIP
R024
3.9K
:CHIP
3.9K
:CHIP
R060
0 :CHIP
0 :CHIP
R059 0:CHIP
D005
MMDL914T1
R020 680:CHIP
R018 220:CHIP
C022
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R064 470 :CHIPR
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C319 0.01 F:CHIP
C318 0.01 F:CHIP
R310 100 :CHIP
R309 100 :CHIP
R308 100 :CHIP
C312
0.1 25V
0.1 25V
C118 #
R013
4.7K
:CHIP
4.7K
:CHIP
R012
4.7K :CHIP
4.7K :CHIP
R008
4.7K
:CHIP
4.7K
:CHIP
R009 #
R010 4.7K :CHIP
R011 4.7K :CHIP
R014
100
:CHIP
100
:CHIP
R002
100:CHIP
100:CHIP
R021
10K
:CHIP
10K
:CHIP
R001
0UH
:CHIP
0UH
:CHIP
C001 #
L004
JW(5)
JW(5)
R032 0 :CHIP
R034
1K :CHIP
1K :CHIP
C047 100P
:CHIP
:CHIP
C042
100P :CHIP
100P :CHIP
C041
100P
100P
R047
#
#
R004 100 :CHIP
R005 100 :CHIP
C111
470P
B:CHIP
470P
B:CHIP
D100 MMDL914T1
C337
2.2
2.2
C302
470P
B:CHIP
470P
B:CHIP
D300
0 :CHIP
0 :CHIP
R320 4.7K :CHIP
C336
0.1 25V
B:CHIP
0.1 25V
B:CHIP
R025 3.9K :CHIP
C023 10P CH:CHIP
R101
100
CH:CHIP
100
CH:CHIP
R045 #
F:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
:PP
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP