AOC L22W631 Service Manual page 21

22'' LCD TV
3. No display (LED indicator yellow)
Check key board and IR board
OK
Check main board power supply
OK
Check U402
OK
2
Check I C communication
No display
OK
NG
NG
NG
Replace the key board or IR board
Replace U402
2
Repalce I C communication component
21
AOC L22W631