DOWNLOAD Sony KV-28FS20U Service Manual ↓ Size: 10.06 MB | Pages: 74 in PDF or view online for FREE

Model
KV-28FS20U
Pages
74
Size
10.06 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-28fs20u.pdf
Date
PREV: Sony KV-29FQ75A (serv.man3) Service Manual

Sony KV-28FS20U Service Manual ▷ View online

38
37
143  Vp-p  (H)
1
139  Vp-p  (H)
WAVEFORMS  C  BOARD
128  Vp-p  (H)
3
2
C
[ R,G,B DRIVE ]
C
I
1
0
7
C
I
2
-
D
2
0
7
C
I
2
-
A
3
0
7
C
I
1
-
C
R
O
T
S
I
S
N
A
R
T
1
0
7
Q
1
-
C
E
D
O
I
D
1
0
7
D
2
-
B
4
0
7
D
1
-
A
5
0
7
D
1
-
A
7
0
7
D
1
-
A
9
0
7
D
2
-
B
0
1
7
D
2
-
C
1
1
7
D
2
-
D
2
1
7
D
4
-
C
3
1
7
D
1
-
D
4
1
7
D
1
-
D
C BOARD LOCATION
C
[ PRINTED WIRING BOARD ]
A
B
C
D
1
2
3
4
40
39
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
D
[ DEFLECTION AND POWER SUPPLY ]
C
I
0
0
6
D
1
-
C
0
0
5
C
I
6
-
I
1
0
6
D
3
-
C
0
0
6
C
I
2
-
D
3
0
6
D
3
-
C
1
0
6
C
I
3
-
C
4
0
6
D
3
-
D
2
0
6
C
I
5
-
F
5
0
6
D
3
-
C
3
0
6
C
I
6
-
C
6
0
6
D
3
-
C
6
0
6
C
I
5
-
C
7
0
6
D
3
-
D
0
0
8
C
I
6
-
H
8
0
6
D
5
-
E
0
0
2
1
C
I
5
-
F
9
0
6
D
5
-
F
1
0
2
1
C
I
5
-
B
1
1
6
D
5
-
C
R
O
T
S
I
S
N
A
R
T
2
1
6
D
5
-
D
1
0
5
Q
6
-
J
3
1
6
D
3
-
E
2
0
5
Q
6
-
I
4
1
6
D
5
-
D
3
0
5
Q
7
-
I
7
1
6
D
5
-
E
1
0
6
Q
2
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D
8
1
6
D
5
-
G
5
0
6
Q
5
-
E
9
1
6
D
3
-
A
6
0
6
Q
7
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D
0
2
6
D
4
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C
7
0
6
Q
4
-
D
2
2
6
D
4
-
C
1
1
6
Q
4
-
B
5
2
6
D
6
-
E
1
0
8
Q
5
-
G
7
3
6
D
4
-
C
2
0
8
Q
1
-
F
8
3
6
D
4
-
C
3
0
8
Q
4
-
G
0
0
8
D
6
-
H
4
0
8
Q
5
-
H
1
0
8
D
6
-
H
5
0
8
Q
5
-
G
2
0
8
D
6
-
H
0
0
9
Q
6
-
A
3
0
8
D
5
-
H
0
0
2
1
Q
6
-
F
7
0
8
D
5
-
G
1
0
2
1
Q
6
-
D
8
0
8
D
3
-
H
2
0
2
1
Q
6
-
B
0
1
8
D
1
-
G
3
0
2
1
Q
5
-
B
1
1
8
D
5
-
G
4
0
2
1
Q
6
-
B
2
1
8
D
2
-
G
E
D
O
I
D
5
1
8
D
3
-
H
0
0
5
D
7
-
H
7
1
8
D
7
-
G
2
0
5
D
4
-
J
2
0
9
D
7
-
B
3
0
5
D
3
-
J
3
0
9
D
7
-
C
4
0
5
D
7
-
I
4
0
9
D
7
-
B
5
0
5
D
7
-
I
5
0
9
D
7
-
B
6
0
5
D
7
-
I
6
0
9
D
7
-
B
7
0
5
D
7
-
I
0
2
9
D
6
-
A
0
1
5
D
5
-
I
1
0
2
1
D
6
-
C
0
7
5
D
5
-
I
2
0
2
1
D
6
-
B
1
7
5
D
6
-
I
51  Vp-p  (H)
51  Vp-p  (V)
1
2.7  Vp-p  (H)
2
WAVEFORMS  D  BOARD
12  Vp-p  (H)
3
4
NOTE:
Portions of the circuit marked as shown are high
voltage areas. Use care to prevent electric shock
during inspection or repair.
D BOARD LOCATION
B
A
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
H
I
J
K
L
M
N
O
P
Q
R
S
T
21
41
42
43
D
[ DEFLECTION AND POWER SUPPLY ]
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
B
A
C
D
E
19
18
20
21
46
45
44
A1
[ DIGITAL AUDIO PROCESS, RAM SURROUND ]
A1
[ PRINTED WIRING BOARD [A] ]
A1
[ PRINTED WIRING BOARD [B] ]
J1
[ PRINTED WIRING BOARD [A] ]
J1
[ CENTRE SURROUND AMPLIFIER AND EXTERNAL SPEAKER CONNECTION ]
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