Sony KV-21FT1B Service Manual page 24

Fd trinitron color tv
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C [
]
R, G, B OUT
C board Semiconductor Voltage Table
C board IC Voltage Table
C I
V
l o
a t
g
e
T
a
b
e l
R
f e
(
) e
(
) b
(
) c
R
f e
(
) e
(
) b
(
) c
R
f e
(
) e
) b
(
(
) c
R
f e
N
o
P
n i
N
o
V
l o
a t
g
e
(
) V
Q
7
0
1
1
2
4
2 .
1
2
4
8 .
2
0
2
Q
7
0
6
7
5 .
8
1 .
1
2
5
0 .
Q
7
1
2
1
2
5
8 .
1
2
6
4 .
2
0
1
9 .
1
1
3 .
Q
7
0
2
2
3 .
3
0 .
7
5 .
Q
7
0
7
1
2
4
6 .
1
2
5
8 .
5
5 .
Q
7
1
3
1
3
3
0 .
1
3
2
4 .
2
0
1
9 .
2
1
3 .
Q
7
0
3
7
5 .
8
1 .
1
3
1
6 .
Q
7
0
8
3
5 .
2
1 .
7
5 .
Q
7
1
5
1
3
2
3 .
1
3
1
5 .
8
1 .
3
1
4 .
C I
1
8
0
1
5
4
1 .
Q
7
0
4
1
3
1
1
3
2
4 .
5
2 .
Q
7
0
9
7
5 .
8
1 .
1
2
3
3 .
Q
7
1
6
1
2
5
8 .
1
2
5
0 .
8
1 .
6
4
1 .
7
7
0 .
Q
7
0
5
2
5 .
3
1 .
7
5 .
Q
7
1
0
1
2
3
0 .
1
2
4
3 .
5
5 .
Q
7
1
7
1
2
4
2 .
1
2
3
4 .
8
1 .
8
8
0 .
27
[ C
]
PRINTED WIRING BOARD
C board Waveforms
A board Waveforms
TP1
TP2
20us/div
TP1
20us/div
TP2
20us/div
TP3
20us/div
TP4
10us/div
1.77 Vp-p (H)
1.88 Vp-p (H)
1.88 Vp-p (H)
1.84 Vp-p (H)
1.86 Vp-p (H)
6.0 Vp-p (H)
20us/div
TP3
20us/div
TP4
TP4
20us/div
20us/div
20us/div
TP5
TP6
TP7
TP8
1.88 Vp-p (H)
74 Vp-p (H)
1.83 Vp-p (V)
49.8 Vp-p (V)
5.4 Vp-p (H)
16.8 Vp-p (H)
20us/div
20us/div
TP5
TP6
5ms/div
20us/div
TP9
TP10
TP11
5ms/div
74 Vp-p (H)
74 Vp-p (H)
TP7
20us/div
488 mVp-p (V)
1.06 kVp-p (H)
50.8 Vp-p (V)
1.76 Vp-p (H)
28
A
B
C
D
E
F
1
2
3
4
5
6
7
20us/div
8
5ms/div
9
10
[ A
]
PRINTED WIRING BOARD
G
H
I
J
K
L
M
29
A board IC Voltage Table
A board Semiconductor Voltage Table
R
f e
(
) e
(
) b
(
) c
R
f e
(
) e
) b
(
(
) c
C I
V
l o
a t
g
e
T
a
b
e l
Q
0
1
3
0
0
7 .
0
Q
6
0
4
0
0
2
5 .
R
f e
N
o
P
n i
N
o
V
l o
a t
g
e
(
) V
R
f e
N
o
P
n i
N
o
V
l o
a t
g
e
(
) V
Q
0
1
6
0
0
3
3 .
Q
6
0
8
0
0
5
6 .
1
0
6
7
4
8 .
Q
2
1
2
0
0
7 .
0
Q
6
0
9
5
6 .
5
6 .
0
2
3
2 .
6
8
0
4 .
Q
4
0
1
4
8 .
4
2 .
1
8 .
3
2
9 .
6
9
0
Q
4
1
1
1
1 .
1
7 .
4
2 .
R
f e
(
) s
) g
(
(
) d
5
0
7
0
0
Q
6
0
1
5
6 .
4
8 .
5
3 .
Q
6
0
6
1
0
9 .
1
4
5 .
8
6
7 .
6
2
0 .
7
1
0
Q
6
0
2
1
4
2 .
5
1 .
8
Q
6
0
7
8 -
2
4 .
7 -
9
9 .
1
0
9 .
8
2
3 .
7
2
0
Q
6
0
3
8
8
0
Q
5
3
5
0
2
5 .
9
5
2 .
9
8
0 .
7
3
7
1 .
C I
0
0
1
1
0
5
0 .
7
4
5
0 .
1
2
0
7
5
8
1 .
1
3
0
7
6
3 -
5 .
1
4
4
0 .
7
7
0
1
6
1
4 .
7
8
3
2 .
1
7
1
5 .
7
9
3
2 .
A board Location Table
1
8
0
8
0
0
1
9
0
1
0
3 .
I D
O
D
E
D
4
3
5
A
-
2
D
6
3
4
F
-
1
0
D
0
0
1
J
-
2
D
4
3
6
A
-
3
D
6
3
9
- I
6
2
0
3
8 .
3
1 -
2
6 .
D
0
0
2
J
-
4
D
5
0
1
D
-
9
D
6
4
0
L
-
5
2
1
3
8 .
C I
5
0
1
5
0
2 .
D
0
0
3
J
-
2
D
5
0
2
D
-
9
D
1
2
0
1
H
-
1
D
0
0
4
M
-
8
D
5
0
3
- I
1
D
1
2
0
3
- I
4
2
2
5
0 .
6
1
3
9 .
D
0
0
6
M
-
8
D
5
0
4
H
-
2
D
1
2
0
4
H
-
4
2
6
0
7
0
3 .
D
0
0
7
J
-
2
D
5
0
5
J
-
1
C I
2
8
3
5 .
1
1
4 .
D
0
0
8
L
-
1
D
5
0
6
D
-
5
C I
0
0
1
K
-
2
2
9
3
6 .
2
2
3 .
D
0
1
0
G
-
2
D
5
0
7
J
-
1
C I
0
0
2
M
-
8
D
0
1
1
H
-
2
D
5
1
2
D
-
8
C I
0
0
3
- I
2
3
0
1
9 .
3
1
8 .
C I
5
3
1
D
0
1
2
J
-
2
D
5
1
3
D
-
9
C I
0
0
4
K
-
4
3
1
0
3 .
5
2
4 .
D
0
1
3
M
-
8
D
5
1
4
C
-
9
C I
4
0
1
- I
2
D
0
1
4
M
-
8
D
5
3
4
D
-
4
C I
5
0
1
D
-
1
0
3
2
3
6 .
6
1
6 .
C I
0
0
1
D
0
1
6
J
-
2
D
5
3
5
E
-
6
C I
5
3
1
E
-
4
3
4
1
9 .
7
6
4 .
D
0
1
7
L
-
1
D
5
3
6
B
-
6
C I
6
0
1
F
-
1
0
3
5
1
4 .
1
8 -
0
4 .
D
0
1
8
G
-
2
D
5
3
7
C
-
4
C I
6
0
2
F
-
7
3
6
3
9 .
2
8 -
0
5 .
D
0
1
9
L
-
1
D
5
3
8
F
-
6
C I
6
0
4
H
-
5
3
8
1
8 .
3
8 -
0
2 .
D
0
2
0
M
-
8
D
5
3
9
B
-
5
C I
6
0
8
L
-
6
D
0
3
5
L
-
2
D
5
7
3
F
-
5
C I
6
0
9
L
-
6
4
0
3
3 .
4
8 -
0
2 .
D
0
3
6
L
-
2
D
6
0
1
- I
9
C I
1
2
0
1
H
-
4
4
2
3
3 .
5
8 -
1
5 .
D
0
5
1
K
-
1
D
6
0
2
K
-
5
T
R
A
N
S
S I
T
O
R
4
3
1
4 .
6
8 -
1
6 .
D
1
0
1
B
-
1
D
6
0
4
F
-
9
Q
0
1
3
K
-
3
4
5
0
7
7 -
7
8 .
D
1
0
3
E
-
2
D
6
1
0
J
-
5
Q
0
1
6
- I
3
D
1
0
4
E
-
2
D
6
1
1
G
-
5
Q
2
1
2
- I
5
4
6
0
C I
6
0
1
9
8 -
1
8 .
D
2
1
0
- I
5
D
6
1
2
G
-
5
Q
4
0
1
C
-
1
4
7
3
6 .
1
0
7 -
6
D
2
1
1
- I
5
D
6
1
3
J
-
6
Q
4
1
1
D
-
1
4
8
2
8 .
1
1
8 -
1
9 .
D
2
1
2
- I
5
D
6
1
4
K
-
8
Q
5
3
2
D
-
4
4
9
2
3 .
1
2
7 -
9
4 .
D
4
0
2
B
-
2
D
6
1
5
H
-
5
Q
5
3
3
A
-
6
D
4
0
4
- I
2
D
6
1
6
G
-
6
Q
5
3
5
B
-
4
5
0
0
2 .
1
4
1
6
5 .
D
4
0
5
B
-
2
D
6
1
7
G
-
6
Q
6
0
1
K
-
5
5
1
2
5 .
1
5
1
1
D
4
0
6
B
-
2
D
6
1
8
H
-
6
Q
6
0
2
G
-
5
5
2
2
5 .
1
6
1
4
4 .
D
4
0
7
B
-
3
D
6
1
9
H
-
6
Q
6
0
3
G
-
5
5
3
2
5 .
1
8
8
6
4 .
D
4
0
8
B
-
2
D
6
2
0
M
-
5
Q
6
0
4
G
-
5
5
4
2
1 .
1
1
1
D
4
1
2
C
-
3
D
6
2
1
J
-
5
Q
6
0
6
G
-
1
0
D
4
1
4
B
-
3
D
6
2
3
J
-
5
Q
6
0
7
G
-
9
5
5
5
2 .
3
4
9 .
D
4
2
0
B
-
1
D
6
2
7
K
-
7
Q
6
0
8
J
-
6
5
6
3
0 .
5
0
D
4
2
1
C
-
2
D
6
3
1
L
-
6
Q
6
0
9
J
-
6
5
7
3
1 .
6
0
D
4
2
3
B
-
2
D
6
3
2
L
-
5
5
8
3
1 .
C I
1
2
0
1
7
1
1
3 .
D
4
2
4
M
-
2
D
6
3
3
L
-
5
5
9
3
2 .
9
0
3 .
6
2
0
1
0
0
6
3
0
1
2
0
6
4
0
1
4
1
1
3 .
5
6
5
0
NOTE:
Portions of the circuit marked as shown are high
voltage areas. Use care to prevent electric shock
during inspection or repair.
30

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