NEC AccuSync LCD72VM User Manual

6-7
5.2 No Backlight
Check CON102 PIN 12 =12V
Check IC201 PIN 11, 12, 19, 20
Check IC201 PIN 3=5V
End no output debug
Check ON/OFF signal
Check IC201 PIN 5=5V+-0.25V
Check adapter
Check Interface board
OK
OK NG
NG
Check Q201,Q202,ZD203 circuit
NG
NGOK
Check IC201 PIN 18 triangular wave is
normal
Check Q201, Q202, ZD203 circuit
Check R216, R217, C218, C220, IC201
circuit
Check R216, R217, C218, C220, IC201
OK
OK
OK
NG
NG

NEC AccuSync LCD72VM Specifications

General

Brand	NEC
Model	AccuSync LCD72VM
Category	Monitor
Language	English