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7.
White Screen
White Screen
Workmanship
LVDS Cable Reinsert
Change LVDS Cable
Check VLCD is 5V
Check Panel-Enable of
U105(pin2) is low
LVDS Cable NG
Check the HWRESET of
U104 exists
Check RP101
Check the pins of
U105
END
OK
NG
OK
NG
OK
OK
NG
OK
NG
NG
Check LVDS signals
OK
Panel Fail
NG
Check
Q101,Q102,Q107,R103
30
D
o
Not
Copy
VA702/b
ViewSonic
Corporation
Co
nfidential
Содержание VA702B - 17" LCD Monitor
Страница 32: ...6 Black Screen and backlight turn on 29 Do Not Copy VA702 b ViewSonic Corporation Confidential ...
Страница 51: ...9 PCB Layout Main board Top layout 48 Do Not Copy VA702 b ViewSonic Corporation Confidential ...
Страница 52: ...Main board bottom Layout 49 Do Not Copy VA702 b ViewSonic Corporation Confidential ...
Страница 53: ...POWER board 50 Do Not Copy VA702 b ViewSonic Corporation Confidential ...
Страница 54: ...51 Do Not Copy VA702 b ViewSonic Corporation Confidential ...