![background image](http://html1.mh-extra.com/html/viewsonic/vg511s/vg511s_service-manual_1021193013.webp)
Picture Visible
Picture only
appear one
second
Stable
picture &
size correct
C
Yes
No
No
Yes
Picture
jumping
Picture
over-scaler
Picture
distortion
Incorrect panel type or cable
(1)Check OSD
information if mode
error
(2)H/V sync input
tolerance too big
Absent of H/V
sync of scaler O/P
or short CKT
No
Yes
No
No
OSD
distorted
Yes
Yes
No
Backlight off
after one
second
No
Yes
Picture normal
then panel
burn
No
(1)DC power source no enough
(2)Backlight wire short CKT
(3)Inverter shut down
Panel power abnormal
Yes
Scaler O/P CKT not assembled ok
A
10
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VG511s
VG512s
Содержание VG511s
Страница 26: ...23 ViewSonic Corporation Confidential Do Not Copy VG511s VG512s ...
Страница 35: ...11 PCB Layout Diagrams Main Board 32 ViewSonic Corporation Confidential Do Not Copy VG511s VG512s ...
Страница 36: ...Main Board 33 ViewSonic Corporation Confidential Do Not Copy VG511s VG512s ...
Страница 37: ...Control Board 34 ViewSonic Corporation Confidential Do Not Copy VG511s VG512s ...