AOC 2230FH - Troubleshooting: Key Board Issues

22" LCD Color Monitor AOC 2230FH
43
8.2.3 Key Board
OK
OK
OSD is unstable or not working
Is Keypad board connecting normally?
Is Button Switch normally?
Is Ke
yp
ad board normall
y
?
Check main board
Connect Keypad Board
Replace Button Switch
Replace Keypad Board
NG
NG
NG
OK