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- 30 -
- 30 -
~ A Board Waveforms ~
2ms/div
5ms/div
TP1
TP2
744 mVp-p (V)
53 Vp-p (V)
10us/div
20us/div
TP3
TP4
TP4
1.4 Vp-p (H)
688 mVp-p (H)
5ms/div
5ms/div
TP5
TP6
264 mVp-p (H)
272 mVp-p (H)
~ A Board Difference Table ~
R
f e
2
8
L
S
6
0
B
2
8
L
S
6
0
E
2
8
L
S
6
0
U
3
2
L
S
6
0
B
3
2
L
S
6
0
E
C
1
0
1
1
1
2
0
P
F
5
%
5
0
V
_
_
1
2
0
P
F
5
%
5
0
V
_
C
1
0
1
2
5
6
P
F
5
%
5
0
V
_
_
5
6
P
F
5
%
5
0
V
_
C
1
0
1
6
1
0
P
F
0
5 .
0
P
F
5
0
V
_
_
1
0
P
F
0
5 .
0
P
F
5
0
V
_
C
1
0
1
7
6
8
P
F
5
%
5
0
V
_
_
6
8
P
F
5
%
5
0
V
_
L
1
0
0
4
1
8
U
H
_
_
1
8
U
H
_
Q
1
0
0
2
M
S
D
6
0
1
R -
S
T
1
_
_
M
S
D
6
0
1
R -
S
T
1
_
Q
1
0
0
3
D
T
C
1
1
4
E
K
_
_
D
T
C
1
1
4
E
K
_
R
1
0
1
1
3
3
0
5
%
1
1 /
0
W
_
_
3
3
0
5
%
1
1 /
0
W
_
R
1
0
1
2
3
3
0
5
%
1
1 /
0
W
_
_
3
3
0
5
%
1
1 /
0
W
_
R
1
0
1
4
_
S
H
O
R
T
0
S
H
O
R
T
0
_
S
H
O
R
T
0
R
1
0
1
5
4
7
0
5
%
1
1 /
0
W
_
_
4
7
0
5
%
1
1 /
0
W
_
R
1
0
1
6
1
0
0
5
%
1
1 /
0
W
_
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1
0
0
5
%
1
1 /
0
W
_
R
1
0
1
8
2
2 .
K
5
%
1
1 /
0
W
_
_
2
2 .
K
5
%
1
1 /
0
W
_
R
1
0
2
0
S
H
O
R
T
0
_
_
S
H
O
R
T
0
_
R
5
3
0
3
5
6
K
0
5 .
%
1
1 /
0
W
5
6
K
0
5 .
%
1
1 /
0
W
5
6
K
0
5 .
%
1
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W
2
7
K
0
5 .
%
1
1 /
0
W
2
7
K
0
5 .
%
1
1 /
0
W
2
7
R
5
3
0
6
6
8 .
K
0
5 .
%
1
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0
W
6
8 .
K
0
5 .
%
1
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W
6
8 .
K
0
5 .
%
1
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W
7
5 .
K
0
5 .
%
1
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7
5 .
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0
5 .
%
1
1 /
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W
7
5 .
R
5
3
2
7
8
2
5
%
3
W
8
2
5
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3
W
8
2
5
%
3
W
3
9
5
%
3
W
3
9
5
%
3
W
R
5
3
3
8
1
K
5
%
1
4 /
W
1
K
5
%
1
4 /
W
1
K
5
%
1
4 /
W
4
7
0
5
%
1
4 /
W
4
7
0
5
%
1
4 /
W
4
R
5
4
0
0
1
8
0
K
5
%
1
1 /
0
W
1
8
0
K
5
%
1
1 /
0
W
1
8
0
K
5
%
1
1 /
0
W
2
2
0
K
5
%
1
1 /
0
W
2
2
0
K
5
%
1
1 /
0
W
2
2
R
5
4
0
7
5
6
0
K
5
%
1
1 /
0
W
5
6
0
K
5
%
1
1 /
0
W
5
6
0
K
5
%
1
1 /
0
W
1
M
5
%
1
1 /
0
W
1
M
5
%
1
1 /
0
W
1
R
5
8
7
8
8
2
0
5
%
1
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0
W
8
2
0
5
%
1
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0
W
8
2
0
5
%
1
1 /
0
W
1
K
5
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1
1 /
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1
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5
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1
1 /
0
W
1
R
5
8
8
3
2
2 .
M
5
%
1
1 /
0
W
2
2 .
M
5
%
1
1 /
0
W
2
2 .
M
5
%
1
1 /
0
W
6
8
0
K
5
%
1
1 /
0
W
6
8
0
K
5
%
1
1 /
0
W
6
8
T
U
1
0
0
0
B
T
F
E -
F
4
1
1
B
T
F
E -
C
4
1
1
B
T
F
E -
U
6
1
1
B
T
F
E -
F
4
1
1
B
T
F
E -
C
4
1
1
~
A Schematic [ Video & Audio Processors, Audio Output,
Vertical Deflection] page 2/2~
3
2
L
S
6
0
K
3
2
L
S
6
0
U
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
S
H
O
R
T
0
S
H
O
R
T
0
_
_
_
_
_
_
_
_
K
0
5 .
%
1
1 /
0
W
2
7
K
0
5 .
%
1
1 /
0
W
K
0
5 .
%
1
1 /
0
W
7
5 .
K
0
5 .
%
1
1 /
0
W
3
9
5
%
3
W
3
9
5
%
3
W
7
0
5
%
1
4 /
W
4
7
0
5
%
1
4 /
W
0
K
5
%
1
1 /
0
W
2
2
0
K
5
%
1
1 /
0
W
M
5
%
1
1 /
0
W
1
M
5
%
1
1 /
0
W
K
5
%
1
1 /
0
W
1
K
5
%
1
1 /
0
W
0
K
5
%
1
1 /
0
W
6
8
0
K
5
%
1
1 /
0
W
B
T
F
E -
C
4
1
1
B
T
F
E -
U
6
1
1
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