White Screen - ViewSonic VA702-2 Service Manual

7.

White Screen

White Screen
LVDS Cable Reinsert
Change LVDS Cable
Check VLCD is 5V
Check Panel-Enable of
U105(pin2) is low
Q101,Q102,Q107,R103
ViewSonic Corporation
NG
NG
OK
NG
OK NG
Check
END
OK
OK
Check LVDS signals
NG
Check the HWRESET of
U104 exists
OK
Check the pins of
U105
Confidential - Do Not Copy
38
Workmanship
LVDS Cable NG
OK
Panel Fail
NG
Check RP101
VA702-2_VA721-3_VA721b-3