DOWNLOAD Sony KV-XA21M50 Service Manual ↓ Size: 4.32 MB | Pages: 75 in PDF or view online for FREE

Model
KV-XA21M50
Pages
75
Size
4.32 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa21m50.pdf
Date
PREV: Sony KV-XG29M90 Service Manual

Sony KV-XA21M50 Service Manual ▷ View online

A
1
2
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8
9
10
11
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13
14
15
B
C
D
E
F
G
H
I
J
KV-XA21M80/XA2183/XA21M50/
KV-XA21M61/XA21M60
RM-952
KV-XA21M80/XA2183/XA21M50/
KV-XA21M61/XA21M60
RM-952
– 43 –
– 44 –
(1) Schematic Diagrams of F, J2 and C1 Boards
(KV-XA21M83)
1
2
1
2
1
2
3
4
1
2
3
4
C
6
5
4
R4601
CN4603
CN4602
CN4601
F4601
T4601
T4602
JW4603
JW4604
JW4601
JW4602
C
4
6
0
1
C
4
6
0
2
V
D
R
4
6
1
0
.0
0
4
7
2
5
0
V
1M
1/2W
1P
:TAB
2P
:VH
2P
:VH
T3.15A
T.L.F
T.L.F
#
#
#
#
#
0
.4
7
2
5
0
V
:M
P
S
1
2
1
2
1
2
1
2
1
2
1
1
*
AC IN
AC IN
AC OUT
AC OUT
GND
B-SSSBG3R-ME.-F..XA21
(FRONT AV IN,SENSOR, POWER SW)
1
2
3
4
J3421
CN3421
D3421
D3422
D3423
D3424
4P
4P
WHT
:S-MICRO
RD30ESB2
RD30ESB2
RD30ESB2
RD30ESB2
GND
R
L
GND
B-SSSBG3R-ME.-J2..XA21
(DVD, 3D TERMINAL)
5
10
9
8
7
6
4
3
1
11
13
G4
G2
G1-
1
H1
H2
G1-
2
KB
KG
KR
G1-
3
RCV
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
1
2
3
4
5
6
7
8
9
10
1
2
3
1
2
3
4
-2
1
2
3
4
1
2
3
1
1
1
1
2
3
D
700
D
701
R
706
R
707
R7
0
8
C
5953
SG
7
0
3
J
W
1813
C
704
D
706
C
N
704
C
N
705
R
721
D
703
C7
0
0
C
701
C
702
C7
0
3
C7
0
5
C7
0
6
C
5961
C
5962
C
5963
C
5964
C
5968
C
5969
C
5970
C
5972
C
5
973
C5
9
7
5
C
5978
C5
9
7
9
C5
9
8
0
C
N
700
C
N
701
C
N
703
C
N
706
C
N
5961
C
N
5962
D
707
D
708
D
709
F
B
700
J7
0
1
L706
L708
L5961
Q5963
Q5965
R
700
R
703
R
704
R7
0
5
R7
0
9
R
710
R
711
R
712
R7
1
5
R
716
R
717
R
718
R
719
R
720
R
5962
R
5963
R
5964
R
5965
R
5966
R
5967
R
5968
R
5971
R
5972
R
5973
R
5
974
R
5975
R
5
976
R
5977
R
5978
R5
9
7
9
R
5980
R
5981
R
5985
R5
9
8
6
R
V
700
R7
1
3
R7
1
4
R
722
R
5961
S
G
701
S
G
702
D7
10
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7
0
0
IC
700
C
707
D
705
D7
04
Q700
D
5964
Q5968
D
5967
D
5968
C
1
803
C1
8
0
4
C
1809
C
N
1801
C
N
1802
D1
80
3
D1
80
4
D
1808
IC
1800
L705
L707
Q1802
R1
8
0
2
R
1
803
R
1805
R
1806
R
1808
R1
8
0
9
R1
8
1
0
R
1
811
R
1
812
R1
8
2
1
R
1822
R
1
823
R
1
824
R
5970
Q5967
Q5961
Q5962
R
5969
R
5982
#
#
#
#
#
#
#
#
#
#
#
#
#
#
0.
001
B
100
16V
470p
B
0.
1
250V
:P
P
0.
0047
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V
E
0.
022
400V
:P
P
0.
0047
500V
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0.
047
:P
T
33
160V
470
10V
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200V
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T
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2
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470
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83T
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#
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C
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JW
(5
mm)
2S
A
1837
2S
C
4793
100
1/
2W
100
100
100
1k
1/
2W
1k
1/
2W
1k
1/
2W
100k
1/
2W
47
:FP
R
D
10k
100
8.
2k
390k
:R
N
150k
:R
N
100
1k
47
1/
2W
560
1k
270
1k
220
18k
68
180
3W
:R
S
1k
18k
10k
100
560
100
820
47
22
110M
:R
N
6.
8
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:R
S
8.
2
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:R
S
330k
4.
7
:FP
R
D
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K G
A
P
SPAR
K G
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(5M
M)
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A
P
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/N
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4.
7
250V
1S
S
119-25
1S
S1
19
-25
2S
A
1175-H
F
E
1S
S
119-25
2S
A
1175-H
F
E
R
D
3
9
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B2
D
C
.BI
AS
R
D
3
9
ES-
B2
D
C
.BI
AS
.
B
LK00A9
.
B
LK014D
.
B
LK014C
.
B
LK014B
.
B
LK014A
.
B
LK0006
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
**
*
*
*
*
*
*
GND
B
G
R
IK
TO A BOARD
GND
C
N
305
FV
 FO
C
U
S
 
200V
G2
GN
D
T
O
 CRT
 G
N
D
TO
 FBT
T
O
 A BO
AR
D
C
N
306
VM
NC
E
T
O
 N
E
C
K
 ASSY
GND
15V
N/
S ROT
NC
N/
S COI
L
-
N/
S COI
L
+
NC
T
O
 A BO
AR
D
C
N
505
H
.ST
AT
+B
9V
VM
 M
U
T
E
GN
D
GN
D
VM
NC
NC
E
H1
200V
E
H1
9V
(AUDIO PROCESSOR, AUDIO AMP, SUB TUNER, 
AV IN/OUT, VM DRIVER)
B-SSSBG3R
-M
E.
-C
1.
.XA21
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
KV-XA21M80/XA2183/XA21M50/
KV-XA21M61/XA21M60
RM-952
KV-XA21M80/XA2183/XA21M50/
KV-XA21M61/XA21M60
RM-952
– 47 –
– 48 –
9
V
3
0
V
5
V
S
C
L
S
D
A
A
S
R
F
 A
G
C
V
IF
9
V
A
F
T
 O
U
T
G
N
D
R
 O
U
T
L
 O
U
T
N
C
N
C
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
1
2
3
4
5
6
7
8
1
2
3
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
1
2
3
4
5
6
7
8
9
1
0
1
2
3
1
2
3
1
2
3
JR402
R409
R407
R412
R408
R410
R411
R413
R414
R415
R416
R417
R418
R419
R420
R421
R422
R425
R423
R424
JR401
C405
C409
C414
R401
R405
R402
R
4
0
4
R406
C257
C259
L
2
0
4
JR405
JR404
JR403
C110
C109
C111
C117
C116
R
1
1
2
R111
C107
C106
R108
R107
C105
R105
R109
R110
C103
R
1
0
4
R103
CN104
CN102
J
R
1
0
1
JR105
R426
R400
C400
CN106
CN105
JW025
R327
JW112
JW111
C224
R
1
1
5
R
1
1
4
JW092
CN205
R116
R106
JW006
JW017
FB103
C118
R238
R239
R243
R242
JW206
JW207
IC203
C272
C274
R246
R247
C283
C403
C404
C406
C415
C408
C407
C411
C413
C410
C412
D407
D408
D409
C401
C402
C
2
5
6
CN103
Q402
Q401
L104
L
1
0
3
L
1
0
2
C112
C113
C114
FB101
FB102
C115
L101
C108
JW104
JR110
J
R
1
0
2
C104
JR104
L105
R113
CN101
J401
JW100
CN204
CN203
R237
C101
JR108
J
W
0
9
9
JR111
C227
C228
C229
C
2
3
0
C273
C271
C
2
7
5
C
2
7
6
C278
C279
C280
C281
C277
C282
R
4
0
3
JR109
IC100
D100
R101
R102
J
R
1
0
7
Q101
TU101
Q307
D401
Q403
D403
D
4
0
4
D
4
0
5
D
4
0
6
D
4
0
2
Q404
#
470
:CHIP
1k
:CHIP
470
:CHIP
1k
:CHIP
470k
:CHIP
470k
:CHIP
68
:CHIP
470k
:CHIP
470k
:CHIP
15k
:CHIP
15k
:CHIP
470k
:CHIP
75
:CHIP
#
#
#
#
#
#
0
:CHIP
470
16V
4.7
#
1k
:CHIP
1k
:CHIP
10k
:CHIP
1
0
k
:C
H
IP
10k
:CHIP
#
100
16V
0
:CHIP
0
:CHIP
0
:CHIP
470p
B:CHIP
470p
B:CHIP
470p
B:CHIP
#
#
1
0
0
:C
H
IP
100
:CHIP
470p
B:CHIP
#
#
#
#
0
:CHIP
470
:CHIP
#
0.1
25V
B:CHIP
#
#
1P
:TAB
#
#
#
220
:CHIP
#
#
#
#
#
#
#
#
470p
CH:CHIP
#
#
17.5MM
#
#
#
#
#
#
0.33
16V
B:CHIP
6.8k
:CHIP
6.8k
:CHIP
100
:CHIP
100
:CHIP
#
#
TDA7442D013TR
2.2
2.2
5.6k
:CHIP
5.6k
:CHIP
22
470p
B
470p
B:CHIP
1
16V
F
470p
CH
470p
CH:CHIP
1
16V
F:CHIP
#
#
#
#
#
#
#
1 16V
F
1
16V
F:CHIP
0
.1
2
5
V
B
#
UN2216-TX
UN2216-TX
47
16V
47
25V
47
#
#
#
47
16V
#
#
0
:C
H
IP
100
10V
#
820
:CHIP
#
6P
15MM
3P
:S-MICRO
3P
:S-MICRO
4.7
:CHIP
#
#
#
#
1
16V
F:CHIP
15K
:CHIP
15K
:CHIP
1
1
6
V
F
:C
H
IP
4.7
10V
F:CHIP
4.7
10V
F:CHIP
0
.1
2
5
V
B
:C
H
IP
0
.1
2
5
V
B
:C
H
IP
0.1
25V
B:CHIP
0.0012
B:CHIP
0.1
25V
B:CHIP
0.0056
B:CHIP
0.1
25V
B:CHIP
0.0056
B:CHIP
1
0
k
:C
H
IP
9V
30V
JOINT A1
JOINT A2
JOINT A3
JOINT A4
JOINT A5
JOINT A6
JOINT A7
JOINT A8
JOINT A9
JOINT A10
JOINT A11
J
O
IN
T
 7
2
J
O
IN
T
 7
3
J
O
IN
T
 7
5
J
O
IN
T
 7
6
J
O
IN
T
 7
7
J
O
IN
T
 7
8
J
O
IN
T
 7
9
J
O
IN
T
 8
0
J
O
IN
T
 8
1
J
O
IN
T
 8
2
J
O
IN
T
 8
3
J
O
IN
T
 8
4
J
O
IN
T
 8
5
J
O
IN
T
 8
6
J
O
IN
T
 8
7
JOINT A13
JOINT A14
JOINT A15
JOINT A16
JOINT A12
R
L
S
A
P
S
T
V
O
L
 C
O
N
T
S
 IN
C
 IN
A
U
D
IO
 S
W
C
V
/Y
R
L
S
D
A
S
C
L
S
D
A
S
C
L
SDA
SCL
R
L
R
L
L
R
S
D
A
S
C
L
L
R
L
R
S
C
L
S
D
A
C
V
/Y
1
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
1
1
V
S
D
A
S
C
L
G
N
D
S
 IN
C
 IN
C
V
/Y
 IN
G
N
D
R
 IN
L
 IN
G
N
D
G
N
D
T
V
 R
 O
U
T
T
V
 L
 O
U
T
9V
ATT.SW
GND
T
V
 O
U
T
G
N
D
G
N
D
AUDIO R
AUDIO L
VIDEO
AUDIO IN 2R
AUDIO IN 2L
AUDIO IN 1R
AUDIO IN 1L
VIDEO IN 1
VIDEO IN 2
(MONO)
(MONO)
(MONO)
OUT
MONITOR
S
T
B
Y
-M
U
T
E
C
V
/Y
 IN
G
N
D
G
N
D
TO B3 BOARD
CN1407
TO B3 BOARD
CN1405
TO B3 BOARD
CN3603
TO TUVIF
R
E
S
E
T
5
V
G
N
D
G
N
D
L
IN
R
IN
L
 O
U
T
R
 O
U
T
G
N
D
A
 G
N
D
N
C
N
C
N
C
N
C
N
C
M
U
T
E
D
E
-
E
M
P
A
F
 
I
N
A
F
 
O
U
T
V
O
L
 
C
O
N
T
I
F
G
N
D
R
_
IN
3
/T
V
R
R
_
IN
2
/F
R
R
_
IN
1
/R
R
L
_
IN
1
/R
L
L
_
IN
2
/F
L
L
_
IN
3
/T
V
L
L
_
IN
4
/R
2
L
M
U
X
O
U
T
(L
)
IN
(L
)
M
U
X
O
U
T
(R
)
IN
(R
)
B
IN
(R
)
B
O
U
T
(R
)
B
IN
(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
IG
_
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
_
IN
4
/R
2
R
T
O
 P
A
G
E
 1
1
/4
TO PAGE 1
4/4
(SYSTEM CONTROLLER, Y/C 
JUNGLE, DEFLECTION, TUVIF, 
FRONT AMP, POWER SUPPLY)
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
KV-XA21M80/XA21M83/XA21M50/
KV-XA21M61/XA21M60
RM-952
KV-XA21M80/XA2183/XA21M50/
KV-XA21M61/XA21M60
RM-952
– 49 –
– 50 –
1
2
3
4
5
6
7
8
9
10
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6
7
8
9
3
1
2
1
2
3
4
5
6
7
1
2
3
4
5
6
7
-2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
-3
-3
-3
-3
1
2
C029
C025
C026
C027
CN904
C032
C031
C030
C028
R901
R902
S901
S902
S903
S904
S905
S906
S907
R911
R912
R913
R914
R915
R909
R910
R345
R348
R339
J
R
3
0
2
C910
C911
L905
C912
L901
L902
C336
IC002
CN306
D003
D004
D312
C337
D906
R322
C
0
4
1
C045
C046
R066
C
0
4
7
C019
L004
D311
R055
C034
D315
R
3
2
1
C341
R320
R338
C048
R067
IC302
R381
C351
L303
L304
C335
C347
C346
C323
C349
R384
R383
R385
C348
R380
C350
R068
Q005
TP001
R
0
4
7
R046
R045
R
0
4
4
R043
R042
R041
R040
R
0
3
8
R
0
3
5
R034
R
0
3
2
R031
R030
X001
R048
R050
C901
C902
C914
R917
R918
C913
Q
3
1
1
R328
R329
R054
R376
R377
R332
C050
C051
C053
C054
R006
R057
Q309
Q310
FB300
R372
R371
R313
R312
R311
R314
R317
R378
R316
R318
R379
R382
C352
C357
CN310
JR312
J
W
9
0
2
R916
R039
R049
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R037
R036
C
0
4
2
L
0
0
5
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9
0
5
Q901
Q902
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IC001
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3
1
6
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Q
3
0
2
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3
0
5
Q306
Q
3
1
4
D
3
2
0
D010
D011
#
#
0.1
25V
B:CHIP
0.1
25V
B:CHIP
#
0.47
16V
B:CHIP
0.1
25V
B:CHIP
22
0.022
B:CHIP
330
:FPRD
330
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SW:TA
SW:TA
SW:TA
SW:TA
SW:TA
SW:TA
SW:TA
5.6k
:CHIP
470
:CHIP
1k
:CHIP
1.8k
:CHIP
3.3k
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4.7k
:CHIP
4.7k
:CHIP
22k
:CHIP
10k
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#
#
47
47
0.1
25V
B:CHIP
0.1
25V
B:CHIP
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7P
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220
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0.22
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#
10
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10k
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10k
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0.01
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470p
CH:CHIP
470
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470
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100
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#
#
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22k
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220
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CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
100p
CH:CHIP
#
#
#
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56k
:CHIP
27k
:CHIP
330
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390
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470
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27k
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56k
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1.5k
:CHIP
330
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390
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#
0.1
25V
B
0.1
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#
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47
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100
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1
0
0
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 2
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 3
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 5
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 6
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 7
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 9
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 1
0
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1
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 1
2
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 1
3
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 1
4
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IN
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 1
5
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 1
6
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7
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8
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 1
9
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0
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1
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IN
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 2
2
J
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 2
3
J
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4
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 2
5
J
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 2
6
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7
J
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 2
8
J
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 2
9
J
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IN
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 3
0
J
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 3
1
J
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IN
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 3
2
J
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 3
3
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4
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5
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6
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7
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8
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 4
0
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 4
1
J
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 4
2
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 4
3
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 4
4
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5
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6
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5
5
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7
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5
8
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 5
9
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T
 6
0
JOINT A25
JOINT A26
JOINT A27
JOINT A28
JOINT A29
JOINT A30
JOINT A31
JOINT A32
JOINT A33
JOINT A21
JOINT A22
JOINT A23
JOINT A24
JOINT A34
LED1
LED2
C
V
/Y
S
 IN
LED2
LED1
YS
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
STBY+5V
GND
7V
LED2
LED1
GND
KEY2
KEY1
SIRCS
VM
GN
D
9V
VM MU
T
E
+B
S
R
E
S
E
T
O
U
T
G
N
D
R
E
F
IN
G
N
D
NC
GN
D
N
C
TO H3 BOARD
CN3905
TO VM BOARD
CN5901
C OUT
INSEL
OUTSEL
Y OUT
DGND
AGND
VDD V IN
VCC SYS1
SC
SYS2
FSCSEL
FSC
S
IR
C
S
S
T
-
B
Y
H
S
Y
N
C
V
S
Y
N
C
V
S
S
X
T
A
L
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X
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A
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K
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Y
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K
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1
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A
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A
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F
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O
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)
T
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A
L
A
P
C
N
N
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D
1
L
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2
N
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 R
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(
M
O
D
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)
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O
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C
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1
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A
0
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A
1
W
 P
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W
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C
X
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Y
M
Y
S
I
B
G
R
M
U
T
E
S
A
P
S
T
TO U1
U1
TO PAGE 1
1/4
T
O
 P
A
G
E
 1
4
/4
G
N
D
F
S
C
(SYSTEM CONTROLLER, Y/C JUNGLE, DEFLECTION, 
TUVIF, FRONT AMP, POWER SUPPLY)
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