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LCD TV
WEGA KLV 21SR2
Service manual
Schematic Diagrams Of A Board - Sony KLV-21SR2 Service Manual
Lcd color tv
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:
Operating instructions manual
(312 pages)
,
Service manual
(75 pages)
,
Notes
(1 page)
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(1) Schematic Diagrams of A Board
1
3
2
A
CN9001
XX
GND
1
CN9002
XX
GND
1
B
R9025
R9026
R9027
220
220
220
D9027
1/10W
1/10W
1/10W
MM3Z10VT1
CHIP
CHIP
CHIP
C9021
4.7
CN9004
12P
10
D9023
B
3216
MM3Z10VT1
NC
1
VD9021
C2
2
R9020
R9021
R9023
C9020
GND
3
220
0.1
220
220
1/10W
16V
1/10W
1/10W
Y2
4
CHIP
CHIP
CHIP
B
1608
VD9020
C9022
GND
5
0.47
10V
D9024
V2
6
B
TO U1 BOARD
MM3Z10VT1
1608
CN9202
GND
7
S-2
8
C
C9030
LV2
9
4.7
R9030
R9031
R9032
220
220
220
10
D9030
RV2
10
1/10W
1/10W
1/10W
B
3216
MM3Z10VT1
CHIP
CHIP
CHIP
GND
11
VD9030
NC
12
C9018
R9052
1
470k
16V
1/10W
B
CHIP
2012
C9004
R9043
1
470k
16V
1/10W
B
CHIP
2012
D9028
MM3Z10VT1
D9016
MM3Z10VT1
R9005
R9006
R9007
D9029
220
220
220
MM3Z10VT1
1/10W
1/10W
1/10W
CHIP
CHIP
CHIP
D
C9002
4.7
10
D9006
CN9007
B
MM3Z10VT1
10P
3216
WHT
VD9001
C1
1
R9000
R9001
R9002
C9003
GND
2
220
220
220
0.1
1/10W
16V
1/10W
1/10W
CHIP
B
Y1
3
CHIP
CHIP
1608
VD9000
GND
4
C9022
0.47
10V
D9007
TO U1 BOARD
V1
5
B
MM3Z10VT1
1608
CN9201
GND
6
S-1
7
C9012
LV1
8
R9010
R9012
R9013
4.7
10
220
220
220
D9011
1/10W
1/10W
1/10W
B
RV1
9
MM3Z10VT1
CHIP
CHIP
CHIP
3216
GND
10
VD9010
E
R9053
C9019
1
470k
16V
1/10W
CHIP
B
2012
C9005
R9044
1
470k
16V
1/10W
B
CHIP
2012
D9031
MM3Z10VT1
D9020
MM3Z10VT1
YUV1
TO(2/4)
Y-1
10P
F
XX
R9040
XX
R9041
R9042
R9045
GND
1
XX
XX
0
VD9040
D-Y
2
PB-1
GND
3
R9050
R9059
R9054
R9056
D-PB
4
XX
XX
XX
0
GND
5
VD9050
PR-1
D-PR
6
R9051
GND
7
XX
R9058
R9055
R9057
XX
XX
0
DVI_MUTE
8
DVI_MUTE
VD9071
VGA
9
VGA
DVI_RST
10
D5V
5V
11
Q9001
C9006
XX
XX
DVI_RST
(NC)
G
H
D2-YUV2
TO(2/4)
J9003
5
Y-2
Y
I
5
R9064
R9065
R9063
R9060
0
220
220
220
1/10W
1/10W
1/10W
CHIP
CHIP
CHIP
CHIP
VD9060
4
PB-2
PB
3
R9070
R9072
R9076
R9080
220
220
220
0
1/10W
1/10W
1/10W
CHIP
CHIP
CHIP
CHIP
VD9070
2
PR-2
PR
VIDEO 3
1
R9081
R9082
R9083
R9084
220
220
220
0
1/10W
1/10W
1/10W
IN
CHIP
CHIP
CHIP
CHIP
VD9071
J9002
D9021
MM3Z10VT1
L
L
C9010
116V 2012
R9066
B
R9048
2.2k
J
470k
1/10W
AUDIO
1/10W
CHIP
CHIP
R
R
R9036
C9011
R9067
1
470k
2.2k
1/10W
16V
1/10W
CHIP
B
CHIP
2012
D9010
MM3Z10VT1
4
5
6
R9068
1k
1/10W
CHIP
R9028
100
1/10W
CHIP
R9024
100
1/10W
CHIP
R9071
1k
1/10W
CHIP
R9072
100
1/10W
CHIP
R9073
2.2k
1/10W
CHIP
R9074
2.2k
1/10W
CHIP
R9075
1k
1/10W
CHIP
R9008
100
1/10W
CHIP
R9004
100
1/10W
CHIP
R9071
1k
1/10W
CHIP
R9014
100
1/10W
CHIP
+9V
R9077
2.2k
1/10W
CHIP
R9079
2.2k
1/10W
CHIP
TUNER_R
TUNER_L
R2801
R2804
47k
47k
1/10W
1/10W
CHIP
CHIP
TUNER_VID
D2-L
D2-R
7
8
9
R6450
10k
1/10W
CHIP
R6452
R6451
3.9k
1k
1/10W
1/10W
0
CHIP
CHIP
0
R6453
1k
MOD0
1/10W
CHIP
Q6450
DTC114EUAFT106
0
MODE SW
0
R2813
MOD1
820
1/10W
AFT
CHIP
Q6451
DTC114EUAFT106
0
MODE SW
Q6452
SYNCDET
2PC4081R-115
R2802
SYNC SEP.
Q2801
150
2PA1576R-115
CHIP
BUFFER
5.0
0.7
C6452
C6451
0.22
4.7
16V
R2805
4.4
50V
B
100
C2807
1/10W
1608
1
CHIP
16V
F
2012
R2814
820
TO (4/4)
UNREG33V
1/10W
RN-CP
R2803
150
Q2802
1/10W
2PA1576R-115
RN-CP
BUFFER
4.8
R2807
100
1/10W
4.1
CHIP
C2808
C
JL2801
1
16V
C_OUT
F
TO(2/4)
JL2802
2012
Y_OUT
VIDEO/Y
L2802
22uH
C2810
0.1
C2809
16V
39
B
16V
1608
AUDIO R
AUDIO L
C2803
AUDIO R
0.33
16V
R2815
F
2.2k
AUDIO L
1608
1/10W
CHIP
R2816
C2804
2.2k
0.33
1/10W
16V
CHIP
F
1608
C2814
4.7
10
B
3216
VIDEO
P1
V1
2
3
P2
LV1
P3
Y1
P4
RV1
P5
C1
P6
S2-1
IC2803
P7
CXA2089Q-T6
S-1
AV SW 1
P8
V2
P9
LV2
P10
Y2
P11
RV2
P12
C2
C2815
16V
B
2012
C2822
C2823
C2816
0.33
0.33
16V
4.7
16V
F
F
10
R2811
B
1608
1608
0
3216
CHIP
R2812
CHIP
R2826
1k
1/10W
R2825
CHIP
1k
1/10W
CHIP
• A(1/4) BOARD WAVEFORMS
1
2
3
1.1 Vp-p (H)
2.4 Vp-p (H)
2.0 Vp-p (H)
10
11
12
TO TU BOARD
TO TU BOARD
CN6401
CN6403
1
+9V
C6464
10
16V
C6461
47
16V
SCL_T
SDA_T
AGC
C6454
4700p
R6455
R6459
D6450
50V
3.9k
1M
MMDL914T1
1/10W
B
Q6453
1/10W
1608
CHIP
2PA1576R-115
CHIP
R6460
C6459
2.6
4.7k
0.022
1/10W
50V
CHIP
F
C6453
1000p
1608
R6454
R6456
R6458
8.5
1M
50V
2.7k
4.7k
1/10W
B
1/10W
1/10W
CHIP
1608
CHIP
CHIP
C6456
0.1
25V
F
1608
R6464
Q6455
2PC4081R-115
L6454
2.2k
PS6450
1/10W
22uH
30V REG
0.5A
CHIP
R6463
6.8k
1/10W
CHIP
D6448
HZU16B2TRF
C6449
C6450
0.1
50V
4.7
B
50V
2012
D6449
HZU16B2TRF
D5V
C6460
0.1
4.0
VIDEO
16V
B
1608
R6465
100
1/10W
3.3
CHIP
R6462
620
1/10W
VIDEO
RN-CP
TUNER_VID
R6461
1k
1/10W
+9V
CHIP
AUDIO L
TUNER_L
AUDIO R
TUNER_R
L6451
22uH
JL6450
9V
TU5V-2
TO(4/4)
JL6451
D5V
L6452
L6453
22uH
22uH
C6462
C6458
C6455
100
47
47
10V
16V
16V
R_IN
TO(3/4)
L_IN
C2817
10
10V
B
3216
C2818
0.01
25V
B
1608
C2819
10
10V
B
3216
P36
YINI
C2820
0.1
16V
P35
MUTE
B
1608
P34
VCC
P33
VOUT2
R2829
P32
100
ROUT2
1/10W
CHIP
JL2803
P31
YOUT2
P30
LOUT2
P29
COUT2
R2827
100
P28
DC_OUT
1/10W
CHIP
P27
SDA
SDA_B_5V
P26
TO(2/4)(3/4)
SCL
SCL_B_5V
R2828
P25
100
ADR
1/10W
CHIP
4
2.4 Vp-p (H)
A(1/4)
(INPUT TERMINAL/AV SW)
15
13
14
+9V
R6469
750
1/10W
RN-CP
R6470
0
CHIP
Q6456
2PA1576R-115
R6467
BUFFER
220
1/10W
CHIP
R6472
0
CHIP
CN2801
25P
TO B(1/8)BOARD
CN1007
MUTE
1
MUTE
F_MONO
2
MOD0
3
FMONO1
MOD0
MOD1
4
FMONO2
BIL
5
BIL
ST
6
ST
7
GND
AFT
C2811
8
AFT
R2806
4.7k
50V
B
1/10W
9
GND
1608
CHIP
AGC
10
AGC
SYNCDET
11
SYNDET
12
GND
SDA_T
13
SDA T
SCL_T
14
SCL T
15
GND
LINE MUTE
16
LINE MUTE
TO (4/4)
DVI_RST
17
DVI_RST
18
GND
SCL_B_5V
19
SCL B 5V
SDA_B_5V
20
SDA B 5V
21
GND
POWER1
22
NC
POWER2
23
POWER2
TO(4/4)
JL2806
POWER3
24
POWER3
JL2807
POWER4
25
POWER4
1
GND
JL2808
D-PR
2
D-PR
3
GND
JL2809
TO(2/4)
D-PB
4
D-PB
5
GND
JL2810
D-Y
6
D-Y
VIDEO/Y
4
7
GND
8
VID
9
GND
10
MSAU R
11
GND
12
MSAU L
13
GND
CLAMP_GATE
14
CLAMP GATE
15
SYNC ON
SYNC_ON
TO(2/4)
CCP_SW
16
CCP SW
JL2804
CSW_H
17
CSW_H
CSW_V
18
CSW_V
19
AU SW2
20
AU SW1
WOW
21
SRS
HP_DET
22
HP DET
JL9005
TO(4/4)
23
SLEEP MUTE
24
SP MUTE
SP_MUTE
HP_MUTE
25
HP MUTE
CN2802
25P
TO B(1/8)BOARD
CN1005
B-SS11836<UC.>-A..- P1
KLV-21SR2 (UC)
3-8
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