Sony KV-AW21M50 (serv.man3) Service Manual ▷ View online
– 50 –
KV-AW21M50/M81/P50
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORM
86
1.6
2.080Vp-p
PAL
10
2.040Vp-p
NTSC
10
87
1.7
3.280Vp-p
PAL
11
3.080Vp-p
NTSC
11
88
3.2
89
0
90
3.2
91
1.5
92
0
93
1.5
94
3.2
95
0
96
1.8
97
2.9
98
0.4
99
3.2
100
1.8
101
0
102
3.2
103
0
104
2.3
105
2.5
106
0
107
3.2
108
3.6
109
3.3
110
3.2
111
4.8
112
0
113
0
114
0
115
0
116
0.1
117
1.8
118
1.8
119
3.2
120
2.9
121
0
122
0
123
3.2
124
1.8
125
0
126
3.2
127
0.5
128
0
IC002
V
3.1
G
0
O
2.9
IC003
1
0
2
0
3
0
4
0
5
3.3
6
3.7
7
3.2
8
3.2
IC200
1
12.7
2
0
3
25.9
4
0
5
0
6
0
7
12.7
8
0.5
9
0
10
26.7
11
11.1
12
12.8
IC602
I
11.9
O
8.9
G
0
V
2.2
IC603
1
3.9
2
1.9
3
0
4
2.3
IC604
I
8.9
G
0
O
4.9
IC605
V
134.3
G
0
O
25.2
IC606
VCC
27.4
GND
0
OUT
3.2
IC801
1
2.1
2
0.7
3
1.5
4
0
5
3.1
6
2.1
7
6.0
8
8.8
IC802
1
(3.0)[3.3]
2
3.1
3
3.1
4
0
5
(3.3)[3.5]
6
(3.3)[3.5]
7
4.5
8
8.9
IC804
1
0.3
648.0mVp-p
PAL
17
800.0mVp-p
NTSC
17
2
13.4
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
3
(–12.1)[–11.9]
4
–13.4
5
0.2
50.40Vp-p
16
6
(13.5)[13.8]
7
0.3
Q006
B
3.2
C
1.9
E
1.9
Q007
B
0
C
3.1
E
0.1
Q008
B
(-1.3)[-1.1]
C
(0.4)[0.8]
E
0
Q009
B
0
C
(3.1)[2.9]
E
0
Q010
B
0.2
C
0
E
0.9
Q016
B
2.4
C
0
E
0
Q100
B
4.5
C
8.8
E
3.9
Q104
B
3.1
C
2.3
E
8.7
Q200
B
2.0
C
0
E
0
Q201
B
26.0
C
26.8
E
26.8
Q202
B
8.9
C
0
E
8.8
Q204
B
5.2
C
8.6
E
4.6
Q205
B
2.7
C
5.2
E
2.1
Q206
B
2.5
C
0.1
E
0
Q601
B
0
C
12.0
E
0
Q608
B
0
C
23.4
E
0
Q609
B
0.6
C
0
E
0
– 51 –
KV-AW21M50/M81/P50
RM-GA002
C BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC751
1
1.8
2.480Vp-p
PAL
1
2.480Vp-p
NTSC
1
2
1.8
1.600Vp-p
PAL
2
1.480Vp-p
NTSC
2
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
3
1.8
1.760Vp-p
PAL
3
1.700Vp-p
NTSC
3
4
0
5
4.6
6
(197.8)[197.3]
7
(148.2)[143.5]
118.0Vp-p
PAL
4
120.0Vp-p
NTSC
4
8
(136.4)[130.0]
116.0Vp-p
PAL
5
128.0Vp-p
NTSC
5
9
(130.2)[124.0]
166.0Vp-p
PAL
6
170.0Vp-p
NTSC
6
J752
H1
0
H2
0
KB
(131.0)[124.0]
KG
(137.0)[130.0]
KR
(148.6)[143.5]
Q803
B
0
160.0Vp-p
PAL
14
158.0Vp-p
NTSC
14
C
67.0
E
0
Q804
B
133.2
C
0.7
E
133.6
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q805
B
-0.1
C
137.2
19.60Vp-p
PAL
13
18.00Vp-p
NTSC
13
E
0
Q806
B
6.0
C
8.9
E
5.7
Q807
B
6.0
C
0
E
5.7
Q808
S
0
G
5.7
9.200Vp-p
15
D
(10.4)[12.2]
Q814
B
0
C
4.8
E
0.1
Q900
B
1.3
C
0
E
2.0
Q901
B
0
C
0.3
E
0
Q8009
B
(197.5)[197.1]
C
(198.1)[197.7]
E
(198.2)[197.7]
Q8010
B
0.5
C
0.1
E
0
DY800
V-
0.2
800.0mVp-p
PAL
12
1.480Vp-p
NTSC
12
KV-AW21M50/M81/P50
RM-GA002
KV-AW21M50/M81/P50
RM-GA002
[PROCESSOR, AUDIO, POWER SUPPLY, DEFLECTION, TUNER, JACK, HEAT SINK ]
A
4-5.
PRINTED WIRING BOARDS
– 52–
– 53–
– A Board –
NOTE:
The circuit indicated at left contains high voltage of over
1220 Vp-p. Please pay attention when inspecting or
repairing it to prevent an electric shock.
The circuit indicated at left contains high voltage of over
1220 Vp-p. Please pay attention when inspecting or
repairing it to prevent an electric shock.
1
2
3
4
5
8
1
4
1
12
1
3
1
4
1
5
1
3
B
C
3
E
B
I
O
G
1
5
1
4
E
B
1
2
6
7
O
I
+
-
1
5
17
B
E
B
E
1
5
I
O
1
5
E
B
1
5
E
B
4
1
8
5
4
1
8
5
8
1
4
5
1
128
32
33
64
65
96
97
1-867-023-16
(1-726-062-16)
R6
1
2
3
4
5
6
7
8
9
10
11
12
13
FBT
V
R
L
DGCT
DGC
DGC
DGCT
GND
U OUT
V OUT
GND
GND
V IN/R
U IN/B
GND
Y IN/G
NS-
NC
NS+
+135V
NC
GND
VM OUT
GND
VM OUT
H+
H+
H-
H-
V-
V+
H1
NC
GND
NC
200V
GND
B INT
B DAT
B CLK
KEY
GND
GND
SP R
GND
SP L
GND
SP
GND
GND
GND
3D
GND
OUT-
GND/3D
AC IN
AC IN
Y OUT
AGC
G
R
OUT+
B OUT
G OUT
R OUT
G OUT
R OUT
GND
IK
9V
9V
1
6
2
1
Y OUT
V OUT
U OUT/FB
GND
GND
1
5
4
1
H+
+B
200V
H1
GND
-13V
GND
+13V
ABL
30
20
NC
SP L/SP
GND
GND
GND
GND
SP R
1
3
A
A
R400
R401
R402
W030
FB608
W031
R405
W032
R406
W033
CN003
W034
CN004
FB800
W035
PS2601
R217
CN007
J900
R219
CN009
J901
J903
J904
CN200
R411
J905
CN201
R412
J906
CN202
R413
J907
CN203
R414
J908
SWF100
J909
SWF101
R416
R417
SWF103
R419
R612
R422
R616
R618
W051
R619
W052
C002
W053
R233
W054
R234
C004
CN600
W055
R235
C005
CN601
C006
CN602
W057
W058
R620
C008
W059
R621
TU101
TU102
R624
R627
W060
C204
CN800
C205
CN801
X001
W062
W063
C013
C207
W064
W065
C015
C209
R822
R823
R631
R825
R826
R633
R827
R828
C210
R829
C211
R636
C212
R638
C214
R639
C215
C216
C217
R830
C024
C218
C600
C219
FH601
C026
C602
FH602
R833
FH603
R640
R834
R835
C029
C605
C606
C220
C221
C609
C223
C800
C803
R840
C228
C610
C804
TH800
C611
C805
C036
C612
C806
C037
R650
C808
R651
R653
C230
C231
C619
R656
C232
R658
C810
R659
C236
C237
C621
C622
C816
R660
C624
R661
C625
C626
C628
C241
C050
C630
S800
C055
C056
C632
C634
C828
C635
C637
R868
C638
R675
R869
C639
C064
RY600
R871
C065
C641
C836
FB2602
Q102
C838
C646
C647
FB2607
R878
DY800
R879
C649
C840
C841
C842
C073
R880
C650
C652
C846
R883
C653
C847
C654
C848
L100
C079
C849
L101
C657
C658
R889
L106
C850
C851
C852
C853
R890
C660
C854
R891
C855
D602
C857
D603
C858
D604
C665
C859
D605
R896
C666
R897
C668
D608
IC200
C669
L2601
C860
C861
C862
C670
C864
D804
C865
D805
C866
C867
D807
C868
D614
D808
C869
D615
D617
D618
D619
C870
C872
D620
D621
IC601
C682
D622
D816
IC602
C683
D623
D817
IC603
D624
D818
IC604
T600
C685
D819
IC605
IC606
L902
T602
T603
T604
D629
T605
D820
IC800
D821
C882
D823
D824
IC804
T800
D633
D827
D828
J200
J201
D636
J202
D639
D066
R121
C1233
C101
THP600
C106
C107
C108
C303
C304
CN903
CN904
CN905
C118
C311
C120
C314
C317
C902
C904
A001
TP601
A002
TP602
A003
A004
A005
A006
A007
A008
A009
C333
A010
F600
A011
A012
TP02
TP03
TP04
A016
A017
A018
A019
C921
CT131
CT139
C2631
L003
L004
Q8009
L005
C2636
L006
L007
L008
L009
Q8010
L201
Q605
C2648
C955
D2625
D2626
Q803
Q804
PH600
Q805
L600
L601
L602
R8007
R8008
R8010
L802
R8013
L803
L804
L805
D914
W001
W002
W003
R2645
W005
FB001
R2646
W006
R2647
W007
W009
W010
W011
W016
W017
W018
W019
PS602
PS603
W024
PS604
W025
PS605
CF101
W026
W027
W028
VDR600
FB601
FB603
L806
D901
R361
R916
R126
D826
JR1112
R665
R9049
C021
R237
JR1256
D110
R363
R919
R320
D067
D023
JR1113
Q104
R667
R060
R9010
R8009
Q008
R111
JR047
Q911
JR1903
C863
JR014
JR1109
JR001
R051
R045
R202
Q814
R990
R921
R113
D635
C661
JR200
R9021
R048
R227
R211
L041
D106
C119
R327
C092
JR005
C060
C052
R9041
R645
C010
R9009
R809
R025
R010
FB002
L032
JR301
R940
C116
R308
JR017
C048
R9031
R9023
C201
R805
L047
Q807
L013
R932
R337
D061
C063
C032
R820
R041
L010
C318
C104
D006
C030
R810
R203
Q608
R394
JR037
JR027
D212
C844
JR003
R098
R9030
R9022
C200
R804
R021
D917
D907
Q606
R392
C112
C876
C094
D206
D009
R800
D913
C913
C325
R917
R127
Q910
C644
C235
C911
C324
R915
R302
C680
C099
C082
JR012
R858
C234
C020
FB007
R398
C138
C100
R311
R894
D203
R647
Q806
L011
R931
R911
C098
R895
JR1110
D204
D002
R861
R9045
FB003
R380
C117
R324
D800
C662
L107
C834
R669
R844
R807
R014
FB006
L035
Q802
D107
R385
C907
R907
C673
C093
D202
C061
C053
R087
R646
R9027
C011
R423
R602
FB008
Q204
C909
R930
R910
R313
D070
D054
C832
R9038
C206
R8003
C2601
R933
R913
R316
C1019
D831
R873
C833
R9046
C226
C014
R8011
R364
R922
R322
R114
JR038
C090
D208
R9058
R9050
R843
R9015
R9007
R229
R012
R8014
Q800
C906
R926
R118
Q902
D214
C822
R856
C809
C001
R9005
C979
D909
R393
R106
C679
JR026
L105
R876
R097
R817
R802
D931
D916
D905
D111
D100
R340
R305
D058
R888
D205
C069
R865
C044
R821
R239
C975
D903
JR1014
C915
R149
R304
R814
R222
R018
R002
JR1012
C131
R147
R303
D065
JR044
C083
L102
C068
R859
C041
R813
R221
L042
C971
Q801
R397
C137
R929
R906
C097
C081
C077
C835
C616
R9019
R232
R9006
R026
R941
R154
R131
R115
C856
D004
R9059
R855
R9040
R9017
R9008
R038
L045
R8001
R989
D109
R946
R355
R314
R300
D060
JR800
R655
C224
Q010
R386
C908
R331
C879
R884
JR008
C054
R654
C003
R015
C141
R339
D833
IC607
D007
R088
R9048
R9028
R812
R220
R003
D902
JR1013
C914
C901
R148
D074
JR600
R864
C022
R044
R609
C111
D076
R104
C678
R899
D210
C829
C239
C025
C009
R224
R403
L031
R152
R108
C877
C095
D025
R877
R854
C028
C1329
R215
R212
R011
JR1050
L033
C135
R924
R326
R309
D637
JR040
C096
C091
JR018
Q111
D200
C051
R9051
C038
R059
C203
R420
R024
R207
R928
R905
R119
JR019
D201
R9042
R241
C312
R908
R310
C883
JR007
D005
R847
R9036
L012
R356
R315
D071
C686
C071
C825
L038
R362
R918
R128
D057
JR024
JR013
R9060
C042
R238
D911
D900
C910
C323
FB903
D072
D063
JR043
D215
JR1111
C826
R9053
R236
JR300
C115
R307
Q900
JR1102
R853
R842
R056
R803
Q810
C953
JR1006
R150
R306
D069
JR049
JR1101
R096
R9020
R816
R020
R210
Q013
C320
FB902
R301
D062
C067
C227
C208
L044
R8000
R945
C102
C062
C012
R029
R205
FB004
C905
R155
R116
R882
R9034
R240
R425
R039
R204
R8012
Q609
R395
R923
R892
D213
C845
JR004
R099
R634
C202
R424
R806
R023
C966
R377
D068
JR601
C084
C072
C839
R9061
C034
R061
D918
C969
C919
C308
D059
JR805
JR602
D211
D207
JR002
R866
C046
R623
R226
R408
L036
Q809
JR1011
C109
R319
D064
C874
C675
R886
Q103
C240
D915
C302
R103
R668
C813
R223
R200
C968
JR1602
JR1016
C918
R112
D024
JR015
C815
R824
R046
R225
C309
R107
JR016
C623
R818
R228
R208
R8015
R8004
JR1010
C140
C322
R914
R317
FB101
C837
R857
C213
R042
R004
C132
C300
R110
JR045
C875
R898
R887
D008
C058
R666
C023
L046
R8002
Q601
Q205
C319
R336
D830
JR042
C674
C089
JR009
L043
C925
R944
C313
R909
R109
JR041
JR020
C831
R9043
FB005
D910
Q202
R384
R927
D638
D812
C830
R9052
R846
R9026
L040
JR302
D105
C878
C672
C080
D209
Q100
C049
R838
R635
R808
R218
R006
L039
D904
C916
C133
C301
D075
JR046
L103
JR1100
R001
D912
R8005
C912
C900
R146
R100
C057
R201
D908
D102
R379
R920
JR051
D600
R672
R852
R841
C018
R801
R214
D932
C977
D906
JR1601
Q009
C917
R341
JR025
R851
R831
R815
R030
R213
Q816
C328
R153
R323
R881
R870
C807
R058
R9016
R230
R216
C970
Q201
C922
R925
D801
R893
R845
R9025
R9018
R421
D108
C316
R312
C078
C070
R872
R848
R242
C321
R338
D832
C643
D003
R9047
L800
O
VCC
IC002
S600
R9044
C903
R902
R904
R904
C956
C967
JW1683
G
S
IC803
IC802
IC801
R243
IC003
T802
T801
R991
R244
IC001
A015
JR806
D113
FB021
C242
JR1257
1
C811
1
3
9
11
7
C016
JR807
CN005
1
3
Q808
C2602
D103
Q200
Q901
Q001
Q206
Q006
Q007
Q912
D056
D055
D829
D112
D815
W066
W067
CN010
M
D
1
2
Q016
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
– 54 –
KV-AW21M50/M81/P50
RM-GA002
[VIDEO AMP]
C
– C Board –
[FRONT PANEL]
H
1
– H1 Board –
1
7
1
5
2
1
8
9
200V
NC
NC
GND
H1
B
G
R
GND
1K
9V
1-867-024-16
(1-726-062-16)
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
GND
KR
KG
G1-3
KB
G1-2
H2
H1
G1-1
G2
RCV
G4
1
3
4
5
6
7
8
9
10
11
1
GND
R6
B
A
JW1750
C753
L783
A701
R795
L750
D750
CN703
D756
C787
R757
R756
A705
CN704
IC751
R794
R758
RV750
C781
R781
R773
R763
A702
D754
EY707
R780
L782
C782
C754
R774
R764
A703
EY703
L780
D781
EY701
C751
CN705
D780
R783
R765
A704
EY706
C752
R760
L781
JW1781
CN701
D755
C789
R785
R777
R767
Q701
C786
R784
R776
R766
C788
R786
R778
R768
R752
C790
C759
R713
R753
C783
R775
R754
JW1782
R796
CN706
J752
J751
M
D
13
13
D782
CN001
S001
S002
S003
S004
S005
S006
S007
R001
R002
R003
R004
R005
R006
R007
SOUND
MODE
MODE
WEGA GATE
VIDEO IN
VOL -
VOL +
PROGRAM -
PROGRAM +
GND
KEY
(1-727-645-12)
1-870-841-12
R2
M
D
1
3
GND
Click on the first or last page to see other KV-AW21M50 (serv.man3) service manuals if exist.