Read Sony KV-21FS140 (serv.man3) Service Manual online
KV-21FS140
KV-21FS140
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A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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L
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M
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N
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O
A BOARD SCHEMATIC DIAGRAM (4 OF 6)
5
4
3
2
1
1.40V p-p
132.0V p-p
660.0mV p-p
700.0mV p-p
1.50V p-p
A BOARD WAVEFORMS
RN-CP
0.5%
33k
R859
8765
4
3
2
1
TJM4558CDT
IC802
PG104R
D827
25V
220
C861
W027
1/2W
FPRD
4.7k
R414
RN-CP
10k
R847
2SC3209LK-TP
Q803
2SC3209LK-TP
Q8010
1.2kV
0.011
C840
PP
1/2W
FPRD
2.2k
R830
VD--DEFL
T801-11
T801-7
22mH
L802
2W
RS
1.5
R827
RN-CP
10k
R876
1
2
3
4
5
6
6P
DY800
H+
H+
H-
H-
V-
V+
T801-2
2.2mH
L805
120k
R8010
RN
1%
T801-4
RN-CP
27k
R838
1
2
3
4
5
WHT
5P
CN801
200V
NC
GND
H1
NC
0.5%
47k
R888
RN-CP
C870
0.068
0.01
B
C878
RN-CP
100k
R877
0.5%
1000p
B
C876
1SS133
D808
9V
RN-CP
22k
R821
35V
100
C854
+B
100k
R8013
RN
1%
T801-9
25V
0.01
B
C825
220p
CH
C832
500V
1000p
B
C860
500V
1000p
B
C810
2.2k
R883
FPRD
200V
PT
0.022
C806
25V
0.01
B
C822
FPRD
10
R868
T801-5
RN-CP
1k
R865
1/2W
FPRD
0.47
R401
RN-CP
680k
R304
FPRD
1.2k
R822
RN-CP
22k
R887
MTZJ-5.1B
D818
5V
T801-4
RN-CP
47k
R8012
MMDL914T1
D830
200V
PT
0.022
C849
5
JW1837
100V
PT
0.1
C850
ABL
400V
PP
0.033
C842
16V
0.047
B
C844
RN
47k
R413
5
JW1840
160V
33
C867
2kV
330p
C846
B
3W
RS
68
R890
RN-CP
47k
R873
RN-CP
R307
2.2M
1/10W
250V
PP
0.27
C852
47p
CH
C078
W026
1SS133
D809
RN-CP
0.5%
10k
R856
KTA1279
Q804
16V
0.1
B
C831
CHIP
0
R872
330k
R826
MM3Z5V6ST1
D062
1000p
B
C809
VGUARD-DEFL
500V
220p
B
C808
GND_1
RN-CP
100
R300
PG104R
D823
GND_1
16V
0.1
B
C833
35V
220
C855
100V
PT
0.1
C838
BY228GP
D816
4.7mH
L803
MM3Z9V1ST1
D815
RN
180k
R834
1%
25V
0.01
B
C830
25V
220
C857
250V
PP
0.15
C841
RN-CP
6.8k
R8009
RN-CP
8.2k
R893
0.5%
RN-CP
33k
R824
VZOOM
16V
100
C811
2200p
B
C839
RN-CP
1M
R309
RN-CP
1M
R312
RN-CP
4.7k
R831
T801-11
250V
33
C869
KTA1279
Q8009
HOUT-DEFL
1000p
B
C845
2.2M
R301
RN-CP
1k
R851
RN-CP
0.5%
10k
R852
PH2LF
450V
1
C851
RN-CP
4.7k
R420
500V
470p
B
C868
1W
RS
1
R878
1.1uH
FB800
1SS133
D807
PG102R
D820
16V
0.047
B
C863
EWD-DEFL
200V
PT
0.01
C848
T801-5
CHIP
XX
R305
RN-CP
8.2k
R881
0.5%
MMDL914T1
D832
12.5
JW1839&
PG104R
D824
T801-1
CHIP
XX
R308
1000p
B
C807
T801-7
500V
1000p
B
C862
RN-CP
100k
R424
RN
220k
R879
1%
RN-CP
47k
R311
2SC3052EF-T1-LEF
Q814
1/2W
FPRD
0.47
R400
RN-CP
0.5%
3.3k
R853
8
7
6
5
4
3
2
1
LM2903DT
IC801
3W
RS
1.5k
R828
RN-CP
150k
R855
1/2W
FPRD
0.47
R405
GND_1
RN-CP
47k
R8011
RN-CP
0.5%
18k
R854
0.047
C077
PG156R
D817
RN-CP
2.7k
R870
0.5%
DGC418
D833
PT
0.47
C858
FV
11
13
HV
2
SV
4
1
10
9
8
7
5
6
T801
3W
RS
100
R889
S800
MM3Z5V6ST1
D060
10ERB20-TB3
D821
S
IRF614-037
Q808
200V
PT
0.01
C847
1SS133
D805
CHIP
0
R843
T801-2
T801-1
3W
RS
1.5k
R825
2SC3052EF-T1-LEF
Q008
OCP-PROTECT
RN-CP
1k
R310
MMDL914T1
D061
VD+-DEFL
GND_1
CHIP
0
R839
25V
0.022
B
C826
10
JW1842
RN-CP
150k
R313
4
2
1
3
6
T800
10ERB20-TB3
D819
RN
220k
R880
1%
7.5
JW1841
1/2W
150k
R833
RN
180k
R823
1%
T801-9
FPRD
2.2
R891
RN-CP
2.2k
R846
3.3V
2SC5885
Q805
RN
68k
R412
1%
0.01
B
C877
16V
100
C828
RN-CP
2.2M
R303
1
2
3
4
5
6
7
AN15524A
IC804
DRV-IN
VCC
(+13V)
F.B-PLS
VSS
(-13V)
OUTPUT
VCC
(OUT)
REF-VOLT
1W
RS
100
R871
GND_1
1
C805
RN-CP
0.5% 5.6k
R864
RN-CP
2.2k
R861
CHIP
XX
R306
CHIP
0
R423
25V
0.01
B
C835
RN-CP
2.2k
R882
2SC3052EF-T1-LEF
Q806
1/2W
RN
68k
R411
1SS133
D804
1/2W
150k
R835
4700p
B
C837
AFC-DEFL
7.5
JW1834
MM3Z5V6ST1
D829
GND_1
RN-CP
0.5%
100k
R866
RN-CP
2.7k
R895
0.5%
FPRD
1
R869
RN-CP
2.2k
R820
RN-CP
10k
R421
1/2W
220k
R406
1/2W
4.7k
R416
2SA1235TP-1EF
Q807
3W
RS
1k
R829
RN-CP
6.8k
R844
L800
CN703
0.0
0.1
4
14.0
0.2
0.0
61.1
0.0
0.6
133.5
3.4
133.9
6.0
0.4
TO DY
3.2
-12.0
0.2
5.9
DEFLECTION
3
2.3
9.1
A 4/6
1.5
3.2
-13.5
4.9
13.6
2.2
2.6
0.0
2
TO C BOARD
3.0
0.8
6.2
9.1
1
0.4
0
.2
0.1
3.0
0.4
130.9
0.4
5
9-965-995-01<BX1S>A-P4
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