![background image](http://html1.mh-extra.com/html/viewsonic/va702b-17-lcd-monitor/va702b-17-lcd-monitor_service-manual_1020942034.webp)
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
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 ...