8.
Bad Screen
Bad Screen
Workmanship
LVDS Cable NG
1.Check
X101,C154,C155
2.Check
X102,C126,C168
Check ALE/RDZ/
WRZ/AD0/AD1/AD2/
AD3/HWRESET
Check the pins of
U104 and U105
LVDS Cable Reinsert
Change LVDS Cable
Check Crystal:pin20,21 of
U105 and pin 33,34 of U104
Check the communication of
U104 and U105
OK
NG
OK
NG
NG
OK
NG
OK
31
ViewSonic Corporation
Co
nfidential
-
Do
Not
Copy
VA902/b
Содержание VA902B - 19" LCD Monitor
Страница 32: ...6 Black Screen and backlight turn on 29 ViewSonic Corporation Confidential Do Not Copy VA902 b...
Страница 49: ...46 ViewSonic Corporation Confidential Do Not Copy VA902 b 9 PCB Layout Main board Top layout...
Страница 50: ...47 ViewSonic Corporation Confidential Do Not Copy VA902 b POWER board...