Table of Contents
Advertisement
Acer
4.1 Black Sreen
Black Screen
Check power supply:
Pin 3, 4 of CN101
OK
Check power supply:
For U102
OK
Check reset:
pin114 of U102
OK
Check Crystal waveform
Pin 116,117 of U102
OK
Check CCFL_Enable
Pin 100 of U102
NG
U102 fail
04 Troubleshooting
NG
NG
NG
NG
OK
Check Pin 105 of
CN102
NG
POWER Fail
Check U101,
U106
Check C125,
R133
Check X101, C126,
C114,R134
OK
Inverter Fail
Acer –LCD-D240H
Advertisement
Chapters
Table of Contents
