AOC e936Swa Service Manual page 51

18.5" LCD Color Monitor
9.2.3 Key Board
OSD is unstable or not working
Is Keypad board connecting normally?
Is Button Switch normally?
Is Keypad board normally?
OK
OK
OK
Check main board
NG
Connect Keypad board
NG
NG
51
AOC e936Swa
Replace Button Switch
Replace Keypad Board