KV-21FK120 - Sony TV Service Manual (repair manual). Page 42

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KV-21FK120
43
KV-21FK120
R910
R
1
7
8
9
Q
9
0
1
R909
Q902
RV1701
J
1
7
5
1
L1751
RV1750
I C1707
I C1751
CN1753
CN1755
R
1
7
8
4
R1761
R1762
C1774
C1778
C911
C
1
7
5
1
C1775
C912
C1755
C
1
7
7
7
C901
C903
C908
C
1
7
5
2
C1753
C
1
7
5
4
C
9
0
2
C904
C906
C
9
0
5
C910
C909
D1754
D1755
D1756
D
1
7
5
8
D
9
0
3
D901
D902
R
1
7
6
3
R
1
7
6
4
R
1
7
6
5
R
1
7
6
8
R1788
R
9
0
4
R906
R
1
7
5
9
R1758
R1757
R1756
R1770
R1760
R902
R
9
0
7
R
9
0
8
R901
R903
R905
L901
R1767
Q
7
8
2
Q1771
Q
7
8
3
Q
9
0
6
CN903
CN1752
C
7
8
2
Q791
R
7
9
5
R
7
9
2
Q
7
6
3
Q
7
6
2
R
7
7
0
R
7
7
5
R
7
7
3
R
7
7
2
R
7
8
2
R
7
8
3
R
7
8
5
CN1707
R
1
7
8
2
Q
1
7
7
2
R
9
1
1
R
9
1
8
R
9
1
9
R
9
1
3
R
9
1
5
R9
2
0
Q
9
0
4
R
9
1
7
R
9
1
6
R
9
1
2
L
7
1
0
R
7
6
5
R
7
6
3
D
7
7
2
R
7
7
8
R
7
7
7
R
7
7
6
L
7
1
1
R
7
7
4
R
7
8
8
R
7
8
7
L
7
1
2
R1779
C1750
D1701
Q710
Q711
R713
C
9
1
4
J R710
R922
R
9
1
4
R
7
1
1
R923
CN1751
R
1
7
8
5
CLP901
R
7
1
4
R
7
1
0
Q
9
0
5
Q
9
0
3
C
9
0
7
R
7
9
4
R
7
6
8
R
7
6
7
R
7
6
6
R
7
6
9
D
7
6
2
R
1
7
6
6
R
7
6
4
R
7
6
0
R
7
7
1
C
7
8
1
R
7
1
2
Q
7
1
2
C
9
1
5
R
1
7
8
1
R
1
7
8
0
R
1
7
8
3
D
7
8
3
Q
7
8
1
R
7
7
9
C
7
8
0
R
1
7
8
7
R
1
7
7
8
R
7
8
0
R
7
8
4
R
7
8
6
D
7
7
3
R
7
9
7
D
7
8
2
Q771
Q
7
7
2
Q
7
7
3
R
7
6
2
R
7
9
1
R793
Q761
R
7
9
6
D
7
6
3
R
9
2
1
B
E
B
E
1
3
1
3
J L1
1
9
HEATER
J L700
9
V
I
K
N/ S
B
G
E
E
R
V
M
N/ S +
N/ S -
E
V
D
+
H
E
A
T
E
R
N
C
2
0
0
V
B
+
1
9
1
6
SPARK
GAP
GROUND
4
5
6
7
TP701
8
9
10
11
12
13
G1
KR
KG
KB
G1
H2
H1
G1
G2
E
N
C
V
M
172421113
1- 862- 186- 13
1
A
B
C
D
E
2
3
4
5
6
C
N
4
4
0
3
C
N
4
4
0
2
CN4401
L4450
C4442
C4413
C4416
C
4
4
1
5
C
4
4
2
0
C
4
4
1
9
F
B
4
4
0
1
C
4
4
4
4
L4401
D4403
C4423
C4422
C
4
4
5
1
C
4
4
4
9
C
4
4
4
8
R
4
4
4
3
C4452
C4453
L4402
C
4
4
2
8
C
4
4
2
4
C
4
4
3
6
C
4
4
3
7
C
4
4
2
5
C4441
C4431
C
4
4
0
2
C
4
4
2
6
C4404
C4405
C4412
C4440
C
4
4
0
3
C
4
4
2
7
C
4
4
0
7
C
4
4
0
9
C4457
C4455
C4454
C
4
4
5
6
C
4
4
1
0
C
4
4
0
8
D4401
D4402
1
5
1
4
1
6
1- 866- 883- 11
172601711
R
L
G
N
D
L
T
R
T
M
I C 1
M
I C 2
GND
GND
M
I C DET
PON
SCL
SDA
9V
GND
1
A
B
2
3
4
5
CV
COMPONENT SIDE
[RGB DRIVE, CRT DRIVE, VELOCITY MODULATION] 
KR
COMPONENT SIDE
[AUDIO PROCESSOR, MIC INPUTS] 
R909
R910
R
1
7
8
9
Q902
Q
9
0
1
RV1701
J
1
7
5
1
L1751
RV1750
I C1751
I C1707
CN1707
CN1753
CN1755
J
W
1
7
0
1
R
1
7
8
4
C
L
P
0
2
R1761
R1762
J W
708
J W
704
J
W
7
0
6
J
W
7
0
7
J
W
7
0
3
C1774
C1778
C1751
C1775
C907
C912
C1755
C1777
C901
C903
C908
C
1
7
5
2
C1753
C
1
7
5
4
C902
C
9
1
4
C904
C906
C
9
0
5
C910
C909
D1754
D1755
D1756
D
1
7
5
8
D
9
0
3
D901
D902
R
1
7
6
3
R
1
7
6
4
R
1
7
6
5
R
1
7
6
8
R
1
7
6
7
R
1
7
6
6
R1788
R
9
0
4
R906
R923
R
1
7
5
9
R1758
R1757
R1756
R1770
R1760
R902
R
9
0
7
R
9
0
8
R901
R903
R905
R922
L901
CN903
CN1752
J
W
7
0
1
C
L
P
9
0
1
R
1
7
7
9
C
1
7
5
0
J
W
7
0
0
J W
791
C911
D1701
CN1751
R
1
7
8
5
J
W
7
0
9
J W
702
B
E
B
E
E
1
2
8
9
1
4
5
8
1
3
8
4
5
N/ S M
UTE
1
3
1
9
E
N
C
V
M
J L700
9
V
I
K
N
/
S
B
G
E
E
R
V
M
N
C
E
V
D
+
H
E
A
T
E
R
N
C
2
0
0
V
B
+
N
/
S
-
N
/
S
+
1
6
A- 1410-
920- A
BA6S- 04
G1
H1
G1
KB
KG
KR
G1
13
12
11
10
9
H2
7
6
G2
SPARK
GAP
GROUND
172421113
1- 862- 186- 13
1
A
B
C
D
E
2
3
4
5
6
C4449
L4401
R
4
4
4
3
D4403
Q4401
R4436
R4403
C4450
CN4401
C4409
C
4
4
0
4
I
C
4
4
0
1
R4422
C
4
4
3
3
R
4
4
2
1
C
4
4
4
0
R
4
4
2
9
R
4
4
2
0
R
4
4
1
9
C4431
I
C
4
4
0
6
C
4
4
4
1
C4437
C4436
C
4
4
5
1
D
4
4
0
4
C4427
C
4
4
3
2
R
4
4
4
5
C
4
4
2
2
R4411
R
4
4
1
2
C
4
4
2
3
R
4
4
0
9
FB4401
C
4
4
4
5
C
4
4
4
3
C4448
R
4
4
5
0
R
4
4
5
1
J
R
4
4
5
0
J
R
4
4
5
1
C
4
4
5
2
C4453
C
4
4
5
6
R
4
4
6
1
R
4
4
5
4
J R4452
R4458
C
4
4
5
4
C4457
J
R
4
4
5
5
R
4
4
6
0
R
4
4
5
7
R4456
L4402
CN4402
C
4
4
1
0
C4442
I C4402
R4415
R4435
R4453
C
4
4
3
0
R
4
4
1
3
C
4
4
1
4
C4412
C4413
C4415
C4416
C4418
C
4
4
1
7
C4419
C4420
C
4
4
4
4
J
R
4
4
0
1
R4439
J R4402
R4440
R4441
R4414
J
R
4
4
0
3
C4407
C
4
4
0
3
R
4
4
3
0
C4408
J
R
4
4
5
3
L
4
4
5
0
C
4
4
2
8
C4424
J R4454
I C4403
I
C
4
4
0
5
C
N
4
4
0
3
C4455
R4455
C
4
4
2
6
R4459
C4405
R
4
4
0
5
R
4
4
0
6
C4411
R4404
C4425
C
4
4
0
2
R
4
4
2
7
R
4
4
2
8
R4416
C4429
R4410
R4442
R4438
R4408
C
4
4
2
1
R4407
D4401
D4402
R4418
R4417
1
5
1
4
1
6
GND
GND
PON
M
I C1
M
I C2
GND
9V
SDA
SCL
M
I CDET
1
7
2
6
0
1
7
1
1
1
-
8
6
6
-
8
8
3
-
1
1
A
-
1
1
0
7
-
9
8
5
-
A
R
T
L
T
G
N
D
L
R
1
1
A
B
2
3
4
5
CV
CONDUCTOR SIDE
[RGB DRIVE, CRT DRIVE, VELOCITY MODULATION] 
KR
CONDUCTOR SIDE
[AUDIO PROCESSOR, MIC INPUTS] 
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