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7-19
CONTINUE1
CONTINUE2
OK
NG
/Q4P1, Q4P3, MD4P1
/or its associated circuit failure
* When power switch on too, Check the voltage of IC801 pin 51 increase
at approx. C4P1 voltage (See Graph 5-8-1) + 0.5V
* Be sure to use voltage meter which has input impedance more than 10M
Ω
OK
NG
/Q4P4, D4P1, MD4P2, R4P7
CRT, DY failure
/or its associated circuit failure
C 4 P 1 T i m e vs V o
0
0 . 1
0 . 2
0 . 3
0 . 4
0 . 5
0 . 6
0 . 7
0 . 8
0 . 9
1
0
1
2
3
4
5
6
7
8
9
1 0
T i m e( m i n u t e)
Volt
age(V)
C4 P1 Tim e v s Vo
0
0. 5
1
1. 5
2
2. 5
3
3. 5
4
0
60
12 0
18 0
24 0
30 0
Ti me( min ute )
Vo
lta
ge(
V)
Graph 5-8-1: C4P1 Voltage