AOC Adelpia TGL2010A Service Manual page 38

20" LCD Color Monitor Adelpia TGL2010A
Keypad Board
OSD is unstable or not working
N
Is Key Pad Board connecting normally? Connect Key Pad Board
Y
N
Replace Button Switch
Is Button Switch normally?
Y
N
Replace Key Pad Board
Is Key Pad Board normally?
Y
Check Main Board
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