NEC MultiSync FP1350 Service Manual page 131

CONTINUE1
OK
* 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
CRT, DY failure
/Q4P1, Q4P3, MD4P1
/or its associated circuit failure
/Q4P4, D4P1, MD4P2, R4P7
/or its associated circuit failure
Graph 5-8-1: C4P1 Voltage
7-19
CONTINUE2
NG
NG