AOC L32W451B Servce Manual page 31

32'' LCD TV AOC L32W451B
5.6 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
31