![background image](http://html1.mh-extra.com/html/viewsonic/vg1930wm-3/vg1930wm-3_service-manual_1021077072.webp)
69
ViewSonic Corporation
Confidential - Do Not Copy
VG1930wm-3
Defect Mode
Failure Analysis
Repair
Testing
Abnormal BIOS
&OSD
Check PCB
Check Wire
AD/B Change
CNT/B Change
LVDS cable
OSD No
Display
OSD Key
Unavailable
OSD Can’t
Input
OSD Can’t
Read
OSD Jiggle
OSD Display
Abnormal
Check BIOS
LIPS Change
VGA cable
DVI cable
BIOS Update
Abnormal
Loudspeaker
Check PCBA
Check Wire
AD/B Change
CNT/B Change
No Voice
Voice Loss
Abnormal
Loud
L/R
Abnormal
L/R Same
Volume
Check Loudspeaker
LIPS Change
C/B Cable Change
Loudspeaker
Change
Loudspeaker
Noise
※
“
Panel Change” Should be Performed to
Level 3
Repair
Completed
Next Step
TEST
NG
CNT/B cable
Summary of Contents for VG1930wm-3
Page 81: ...78 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3 9 PCB Layout Diagrams...
Page 82: ...79 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3...
Page 83: ...80 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3...
Page 84: ...81 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3...
Page 85: ...82 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3...
Page 86: ...83 ViewSonic Corporation Confidential Do Not Copy VG1930wm 3...