White Screen - Acer AL1917x Service Manual

Acer

6. White screen

White screen
LVDS Cable
Reinsert
NG
Change
LVDSCable
NG
Check VLCD
is 5V
NG
Check Panel-Enable of
U105(pin39) is low
OK
Check
Q101,Q103,R104,
R105
END
OK
OK
OK
Check LVDS
signal
Check the
RTD_RSTOUT of
U104 exists
NG
Check the pins of
U105
OK
NG
OK
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Service Manual
Workmanship
LVDS cable NG
Panel Fail
Check R188
NG