ViewSonic VX2245wm-1 Service Manual page 71

Defect Mode
Abnormal BIOS
&OSD
Abnormal
Loudspeaker
ViewSonic Corporation
Failure Analysis
※ " Panel Change" Should be Performed to
OSD Key
Unavailable
OSD Can't
Input
OSD Can't
Read
OSD No
Display
OSD Jiggle
OSD Display
Abnormal
Voice Loss
Abnormal
Loud
L/R
Abnormal
No Voice
L/R Same
Check Loudspeaker
Volume
Loudspeaker
Noise
Check PCB
Check Wire
Check BIOS
Check PCBA
Check Wire
Next Step
Confidential - Do Not Copy
68
Repair Testing
Level 3
Repair stage
AD/B Change
CNT/B Change
Power/B Change
Inverter/B Change
OSD/B Change
D-sub cable Change
OSD cable Change
VGA cable Change
DVI cable Change
BIOS Update
AD/B Change
CNT/B Change
Power/B Change
Inverter/B Change
OSD/B Change
OSD Cable Change
Loudspeaker
Change
NG
Completed
VX2245wm-1
TEST