Acer AL2623W Service Manual page 21

Acer
2. No backlight & LED on
No backlight
& LED on
Yes
Check PFC DC
output voltage
Yes
Check pin1 of
IC802 voltage if
under 7.2V
Yes
Check D807､ D810､
T802､ C825､ C826､
L804､F802
Yes
END
No
Check circuit
if short
Yes
Check Q801､
C808､ZD801
No
Check Pin6 of
IC802 voltage
12V
Yes
No
Check loading
circuit is short
Yes
20
Service Manual
No
Check IC801､
T801､Q806
No
Check R835､
Q804､ IC802､
C815