Sony KV-21FA240 Service Manual ▷ View online
KV-21FA240
KV-21FA240
38
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A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
A BOARD SCHEMATIC DIAGRAM (2 OF 6)
100
C210
R223
10k
RN-CP
5%
R225
4 . 7 k
RN-CP
5%
R208
1 . 5 k
RN-CP
5%
C201
1
6 . 3 V
B
R224
4 . 7 k
RN-CP
5%
MMDL914T1
D203
R210
4 . 7 k
RN-CP
5%
35V
1000
C2648
CHIP
0
R220
2SA1235TP-1EF
Q202
C217
1000
25V
W062
1/4W
R243
22
RN-CP
10k
R216
5%
47
R235
FPRD
R226
6 . 8 k
RN-CP
5%
RN-CP
10k
R215
5%
R237
100
RN-CP
5%
CHIP
0
R212
R217
330
MMDL914T1
D214
R222
470
RN-CP
5%
C221
25V
22
RN-CP
2 . 2 k
R242
5%
C231
0 . 0 4 7
LSR-AUDIO
R205
33k
RN-CP
5%
470p
B
C2602
C220
10
R204
4 . 7 k
RN-CP
5%
MOMUTE-AUDIO
D2626
RN4Z
R236
3 . 3 k
RN-CP
5%
MMDL914T1
D201
R234
47
C211
10
9V
MUN2211T1
Q206
C230
0 . 0 4 7
R233
47
16V
220
C219
1PS226-115
D211
R207
1 . 5 k
RN-CP
5%
R229
1 . 5 k
RN-CP
5%
Q204
MSD601-RT1
C202
0 . 0 6 8
C226
1
10V
B
C208
0 . 1 5
B
RN-CP
15k
R213
5%
5A
PS2601
R227
12k
RN-CP
5%
C237
0 . 1
C215
2200
MMDL914T1
D212
16V
C241
470
C223
2200
1
2
3
CN201
3P
WHT
3D
OUT+
GND
GND/3D
OUT-
22
C218
330
R219
10uH
L2601
CHIP
0
R218
1
2
3
4
CN200
4P
WHT
SP
L
GND
GND
SP
R
MMDL914T1
D213
MMDL914T1
D202
PT
0 . 0 4 7
C232
MMDL914T1
D205
AUDIO-MUTE
AUDIO_2
J201
2
7
3
5
1
4
9
6
8
C207
0 . 0 4 7
PT
R200
0
CHIP
C206
0 . 1 5
10V
B
RN-CP
2 . 2 k
R241
5%
PWR-OFF-MU
TE
FPRD
1
R2646
MON-MUTE-AUDIO
RN-CP
15k
R214
5%
C214
1000
25V
R201
4 . 7 k
RN-CP
5%
MUN2211T1
Q200
R232
3 . 3 k
RN-CP
5%
R211
4 . 7 k
RN-CP
5%
R230
0
CHIP
FB2602
1.1uH
C228
2 . 2
C227
1
10V
B
Q205
MSD601-RT1
C216
22
8
1
2
3
4
9
7
6
5
1
0
11
12
IC200
AN17804A
OUTC/NC
IN
R/NC
RF
S_GND
IN
L
IN
C/NC
OUTL
MUTE
PW_GND
VCC
STBY
OUTR/NC
500V
470p
B
C2631
2SA1235TP-1EF
Q201
C224
1
6 . 3 V
B
R238
100
RN-CP
5%
R203
0
CHIP
1000
C2636
C203
0 . 0 6 8
16V
B
JL217
R202
33k
RN-CP
5%
R228
12k
RN-CP
5%
0 . 1
B
C213
470p
CH
C234
RN-CP
1k
R221
5%
MMDL914T1
D208
C204
0 . 0 4 7
PT
FPRD
10k
R2647
C235
470p
CH
LSL-AUDIO
AUDIO-STDBY
C236
0 . 1
AUDIO_GND
9V
MMDL914T1
D204
C200
1
6 . 3 V
B
AUDIO
A 2/6
TO SPEAKERS
AUDIO-AMP
SW
STBY
STBY
AUDIO-STBY
2 . 6
0 . 1
0 . 0
2 3 . 7
0 . 0
1 1 . 8
0 . 9
1 0 . 5
1 1 . 7
0 . 0
1 2 . 7
0 . 1
9 . 1
8 . 8
2 5 . 0
2 4 . 3
0 . 0
2 . 0
0 . 0
0 . 4
0 . 0
0 . 0
A-1152-513-A<BX1S>A-P2
MUTE
MUTE
T O J
CN3400
KV-21FA240
KV-21FA240
39
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A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
A BOARD SCHEMATIC DIAGRAM (3 OF 6)
16V
100
C668
47
C624
4 . 7
C621
275V
PP
0 . 2 2
C660
1A5G
D602
1W
5%
8.2M
R650
RN
MTZJ-5.1B
D608
16V
470
C647
10V
4 . 7
C686
F
16V
100
C641
450V
330
C611
AUDIO_GND
0 . 1 5
C619
PT
1
2
3
4
5
STR-F6267S LF1357
IC601
SB360-S
D639
THP600
4 . 7 k
R631
25V
0 . 0 1
B
C672
1.8V_MAIN
RN-CP
4 . 7 k
R634
5%
2SC3052EF-T1-LEF
Q608
470p
CH
C680
1
23
4
T603
W024
I
O
G
KIA7805API
IC604
VCC
GND
OUT
BA18BC0FP-E2
IC607
RY600
RN
560k
R661
250V
330p
C657
120k
R658
1%
JW1611
5
1
2
3
4
KIA78R09API
IC602
11V
5
JW1666
W002
16V
100
C649
16V
1000
C682
5V
W018
RN-CP
33k
R668
5%
FH602
RN-CP
0.5%
1 . 5 k
R646
RN-CP
10k
R609
5%
STBY_SW
FH601
10ERB20-TA2B5
D617
2SC3052EF-T1-LEF
Q601
500V
470p
B
C652
2W
RS
0 . 2 2
R619
25V
470
C634
RN
470k
R660
AUDIO_2
S3L20UF4
D624
16V
100
C638
220k
R659
1%
470p
CH
C644
500V
470p
B
C653
EY184
MTZJ-15
D633
RN-CP
100
R655
5%
500V
4700p
E
C610
1
2
2P
CN600
DGCT
DGCT
5A
PS604
MMDL914T1
D600
18k
R618
‘
‘
D3SB60F3
D604
470
C635
1
2
2P
CN601
DGC
DGC
PC123Y22FZ0F
PH600
RN-CP
1k
R647
5%
500V
4700p
E
C605
500V
4700p
E
C609
16V
100
C637
5A
PS603
35V
1000
C632
47uH
L601
EY004
9V
35V
3300
C630
RN-CP
10k
R635
5%
3 . 3 V
C
O
G
SE135N-LF38
IC605
2W
RS
0 . 2 7
R620
1
2
3
4
PQ018EF01SZH
IC603
VDR600
10
JW1661
PDZ3.6B-115
D635
11V
MTZJ-5.1B
D629
EY005
500V
470p
B
C626
RN-CP
1k
R667
5%
10ERB20-TB3
D623
16V
0 . 1
B
C662
3300p
B
C623
220
R621
250V
2200p
C622
E
250V
330p
C670
500V
4700p
E
C606
RN
1 . 5 k
R612
2kV
1500p
C628
R
10W
RB
1
R616
2SC3052EF-T1-LEF
Q609
FN155
Q605
HS-A007
275V
PP
0 . 1
C602
250V
4700p
E
C600
DGC-RELAY
I
O
G
KIA78D33P1
IC606
5A
PS605
5
JW1683
CHIP
0
R625
250V
330p
C625
10W
RB
0 . 6 8
R638
11EQS10-TB5
D622
MA2ZD14001S0
D637
TP601
TP602
+B
RN-CP
4 . 7 k
R602
5%
HOLD_DOWN
1.8V_AUDIO
1
2
2P
CN602
AC IN
AC IN
20
JW1665
RN-CP
0.5%
18k
R623
47uH
L600
MTZJ-15
D614
16V
220
C685
16V
2 . 2
F
C678
5A
PS602
22uH
L602
1
R656
1
23
4
T600
2 . 2 k
R636
W001
5
JW1667
10ERB20-TA2B5
D618
JW1653
5
160V
330
C665
10V
4 . 7
C643
F
MSD601-RT1
Q606
MMDL914T1
D638
500V
470p
B
C654
AUDIO_1
S600
1.1uH
FB603
RN-CP
0.5%
150k
R645
10ERB20-TA2B5
D619
RN
2 . 2 k
R624
2.2
R627
0uH
FB608
MTZJ-5.1B
D605
220p
CH
C616
PG306R
D621
250V
5A
F600
D1NL20U-TA
D615
1A5G
D603
7
3
16
17
12
14
13
18
1
15
8
10
11
5
9
T602
16V
100
C639
1 . 2 k V
PP
1500p
C612
5V
POWER SUPPLY
SPARK
GAP
SPARK
GAP
DGC
A 3/6
SPARK
GAP
SPARK
GAP
0 . 6
0 . 1
2 8 6 . 6
1 9 . 3
2 . 9
0 . 0
1 0 . 8
2 0 . 7
0 . 0
0 . 7
FOR CHECK
A-1152-513-A<BX1S>A-P3
1 . 8 V R E G
ERROR-DET
5V REG
9V REG
1 . 8 V R E G
STBY-SW
STBY-SW
3 . 3 V R E G
RELAY-DRIVE
SWITCHING REG
AC
IN
KV-21FA240
KV-21FA240
40
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12
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13
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14
|
15
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16
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17
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18
|
19
|
20
|
21
|
22
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23
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A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
A BOARD SCHEMATIC DIAGRAM (4 OF 6)
A BOARD WAVEFORMS
RN-CP
0.5%
33k
R859
8
76
5
4
3
2
1
TJM4558CDT
IC802
PG104R
D827
25V
220
C861
W027
1/2W
FPRD
4 . 7 k
R414
RN-CP
10k
R847
5%
2SC3209LK-TP
Q803
2SC3209LK-TP
Q8010
1 . 2 k V
0 . 0 1 3
C840
PP
1/2W
FPRD
2 . 2 k
R830
VD--DEFL
T801-11
T801-7
22mH
L802
2W
RS
1
R827
RN-CP
10k
R876
5%
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
5%
1
2
3
4
5
WHT
5P
CN801
200V
NC
GND
H1
NC
0.5%
47k
R888
RN-CP
C870
0 . 0 6 8
0 . 0 1
B
C878
RN-CP
100k
R877
0
.5%
1000p
B
C876
1SS133
D808
9V
RN-CP
22k
R821
5%
35V
100
C854
+B
100k
R8013
RN
1%
T801-9
25V
0 . 0 1
B
C825
220p
CH
C832
500V
1000p
B
C860
500V
1000p
B
C810
2 . 2 k
R883
FPRD
200V
PT
0 . 0 2 2
C806
25V
0 . 0 1
B
C822
FPRD
10
R868
T801-5
RN-CP
1k
R865
5%
1/2W
FPRD
0 . 4 7
R401
RN-CP
100k
R304
5%
FPRD
1k
R822
RN-CP
22k
R887
5%
MTZJ-5.1B
D818
5V
T801-4
RN-CP
47k
R8012
5%
MMDL914T1
D830
200V
PT
0 . 0 2 2
C849
5
JW1837
100V
PT
0 . 1
C850
ABL
400V
PP
0 . 0 2 2
C842
16V
0 . 0 4 7
B
C844
RN
15k
R413
5
JW1840
160V
33
C867
2kV
330p
C846
B
3W
RS
68
R890
RN-CP
47k
R873
5%
CHIP
R307
0
250V
PP
0 . 3 3
C852
68p
CH
C078
W026
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
5%
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 . 0 1
B
C830
25V
220
C857
400V
PP
0 . 1
C841
RN-CP
6 . 8 k
R8009
5%
RN-CP
10k
R893
0.5%
RN-CP
33k
R824
5%
VZOOM
10V
470
C811
2200p
B
C839
RN-CP
1M
R309
5%
RN-CP
1M
R312
5%
RN-CP
4 . 7 k
R831
5%
T801-11
250V
33
C869
KTA1279
Q8009
HOUT-DEFL
1000p
B
C845
1.5M
R301
5%
RN-CP
1k
R851
5%
RN-CP
0
.5%
10k
R852
PH2LF
450V
1
C851
RN-CP
4 . 7 k
R420
5%
500V
470p
B
C868
1W
RS
1
R878
1.1uH
FB800
1SS133
D807
PG102R
D820
16V
0 . 0 4 7
B
C863
EWD-DEFL
200V
PT
0 . 0 1
C848
T801-5
1608
CHIP
R305
0
RN-CP
10k
R881
0.5%
MMDL914T1
D832
1 2 . 5
JW1839
PG104R
D824
T801-1
1608
CHIP
R308
0
1000p
B
C807
T801-7
500V
1000p
B
C862
RN-CP
150k
R424
0.5%
RN
220k
R879
1%
RN-CP
47k
R311
5%
2SC3052EF-T1-LEF
Q814
1/2W
FPRD
0 . 4 7
R400
RN-CP
0.5%
3 . 3 k
R853
8
7
6
5
4
3
2
1
LM2903DT
IC801
1/4W
FPRD
1k
R828
RN-CP
10k
R855
0.5%
1/2W
FPRD
0 . 4 7
R405
GND_1
RN-CP
47k
R8011
5%
RN-CP
0.5%
18k
R854
0 . 0 4 7
C077
PG156R
D817
RN-CP
3 . 3 k
R870
0.5%
DGC418
D833
PT
0 . 4 7
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 . 0 1
C847
1SS133
D805
CHIP
0
R843
T801-2
T801-1
1/4W
FPRD
1k
R825
2SC3052EF-T1-LEF
Q008
OCP-PROTECT
RN-CP
1k
R310
5%
MMDL914T1
D061
VD+-DEFL
GND_1
CHIP
0
R839
25V
0 . 0 2 2
B
C826
10
JW1842
RN-CP
150k
R313
5%
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 . 2 k
R846
5%
3 . 3 V
2SC5885
Q805
RN
22k
R412
0 . 0 1
B
C877
16V
100
C828
RN-CP
2.2M
R303
5%
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
220
R871
GND_1
1
C805
RN-CP
0.5% 5 . 6 k
R864
RN-CP
2 . 2 k
R861
5%
1608
CHIP
R306
0
CHIP
0
R423
25V
0 . 0 1
B
C835
RN-CP
2 . 2 k
R882
5%
2SC3052EF-T1-LEF
Q806
1/2W
RN
68k
R411
1SS133
D804
1/2W
220k
R835
4700p
B
C837
AFC-DEFL
7 . 5
JW1834
MM3Z5V6ST1
D829
GND_1
RN-CP
0.5%
100k
R866
RN-CP
3 . 3 k
R895
0.5%
FPRD
1
R869
RN-CP
2 . 2 k
R820
5%
RN-CP
10k
R421
5%
1/2W
220k
R406
1/2W
4 . 7 k
R416
2SA1235TP-1EF
Q807
3W
RS
1k
R829
RN-CP
6 . 8 k
R844
5%
L800
CN703
0 . 0
0 . 1
4
1 4 . 0
0 . 2
0 . 0
6 1 . 1
0 . 0
0 . 6
1 3 3 . 5
3 . 4
1 3 3 . 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
1 3 0 . 9
0 . 4
5
V-OUT
200V REG
PIN CONT.
COMPARATOR
H-DRIVE
H-OUT
S-CORRECTION
PIN-DRIVE
PIN-DRIVE
SW
A-1152-513-A<BX1S>A-P4
DY
H.DY
H.DY
V .DY
V .DY
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
KV-21FA240
KV-21FA240
41
1
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5
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6
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7
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8
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17
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A
—
B
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C
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D
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G
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L
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A BOARD SCHEMATIC DIAGRAM (5 OF 6)
SIFIN1-IF
AGC
AS
SCL
SDA
5V
30V
IF
TU101
3W
RS
22k
R121
1000p
B
C137
16V
0 . 1
B
C070
SIFIN2-IF
RN-CP
0.5%
33
R103
RN-CP
22k
R355
5%
SWF101
1
2
3
4
5
1000p
B
C100
MMDL914T1
D105
4700p
B
C109
25V
5 P
B
C112
CHIP
JR1006
0
0
JR1100
RN-CP
2 . 7 k
R107
0.01
CH
C117
RN-CP
820
R108
5%
10
C106
0
JR1110
25V
0 . 0 1
B
C111
RN-CP
100
R115
5%
JL1039
MM3Z5V6ST1
D108
5V
1608
CHIP
R128
0
PLLIF
AGC-MUTE
RN-CP
8 . 2 k
R106
5%
25V
0 . 0 1
B
C057
2SIF
SCL-0
100uH
L100
2SC3779C,D-AA
Q102
1000p
B
C140
RN-CP
680
R061
5%
22
C118
100uH
L106
C133
1 0 0 P
CT131
25V
0 . 0 1
B
C138
MTZJ-T-77-33B
D103
100p
CH
C104
4700p
B
C116
RD3.3SB-T1
D106
W058
16V
470
C107
VDDC4_CAP
RN-CP
0.5%
33
R119
0.33uH
L101
JW015
SDA-0
25V
0 . 0 1
B
C135
0.01
B
C115
JR1101
0
CHIP
TUAGC-IF
10V
0 . 4 7
C1019
0
L107
MM3Z5V6ST1
D109
RN-CP
1k
R100
5%
TU-AGC
16V
470
C108
1/10W
RN-CP
R153
470k
5%
3300p
B
C061
SECAM-L-L
CHIP
68
R109
VIFIN1-IF
0
L103
10%
10
C101
9V
+B
CT139
RN-CP
3 9 0
R088
5%
CHIP
0
R152
2SC3052EF-T1-LEF
Q100
100p
CH
C102
470
R149
SWF100
0 . 0 1
B
C119
RN-CP
100
R116
5%
MONO_OUTL
16V
470
C120
RN-CP
100
R118
5%
VIFIN2-IF
1.1uH
FB001
1608
CHIP
JR1050
150
2 . 7
A 5/6
TUNER
2 . 1
A-1152-513-A<BX1S>A-P5
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