Buffalo FTD-W932HSR/WH Service Manual page 36

19" LCD Color Monitor Buffalo FTD-W932HSR
8.2.3 Key Board
OSD is unstable or not working
N
Connect Key Pad Board
Is Key Pad Board connecting normally?
Y
N
Replace Button Switch
Is Button Switch normally?
Y
N
Is Key Pad Board normally?
Replace Key Pad Board
Y
Check Main Board
36