NEC MultiSync FP1350 - Page 131

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 10MΩ
OK NG
/Q4P4, D4P1, MD4P2, R4P7
CRT, DY failure /or its associated circuit failure
C4P1TimevsVo
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
012345678910
Time(minute)
Voltage(V)
C4P1TimevsVo
0
0.5
1
1.5
2
2.5
3
3.5
4
0 60 120 180 240 300
Time(minute)
Voltage(V)
Graph 5-8-1: C4P1 Voltage