AOC i2252VW Service Manual page 42

Service Manual
Key Board---
OSD no working
OSD is unstable or not
working
Is Key Pad Board connecting
normally?
OK
Is Button Switch normally?
OK
Is Key Pad Board normally?
OK
Check Main Board
Connect Key Pad Board
NG
Replace Button Switch
NG
Replace Key Pad Board
NG
42
AOCi2252VW
Check flow chart
For the key board