AOC L19W831 - Page 20

19″LCD TV AOC L19W831
20
3. No display (LED indicator green)
Check 12V
power supply
Check Panel
NG
Replace Panel
Check back light is OK
OK
Check LVDS cable
and connector
OK
Check UH200
NG
Replace
U
H2
00
OK
Check U202
NG
Replace U202
NG
NG
OK
Check BL-ON/OFF signal
Check PS
signal
OK
OK
Check power
board
NG
NG
NG
Check Q705、Q706
Replace Q705、Q706