Acer AL2016 User Manual

Acer Service Manual
5. AL2016W backlight can’t be turned on(INL inverter)
No Raster
Yes
Check pow er boardNO
Yes
Is there 14V voltage on
pin13 of IC501?
NO F501 open
LED G reen?
Yes
Yes
Check IC501-pin8 voltage
is H igh-le vel voltage
NO
Check R509, R511, C519
are ok
NO
Yes
Change R509, R511,
C519
Check I/F boardYes
Check IC501-pin7 voltage
is PW M pulse w ave
Check CN 501~CN 504 are
OK
Yes
NO
Restart connect the
lamp w ire
Check protection circuit
Q501, Q502 are ok
NO Change Q 501, Q 502
Check U501, U502, U503,
U504 are OK
NO
Change U 501, U 502,
U503, U504
Yes
NO
Check R501, R508 and
C515 are ok
NO
Yes
Change R501, R508,
C515
Check I/F board
Check IC501-pin12
voltage is 5.0V
NO
IC501 fail, change
IC501
Yes
EN D
Yes
24

Acer AL2016 Specifications

General

Brand	Acer
Model	AL2016
Category	Monitor
Language	English