19’’ LCD TV AOC L19W631
20
5. Repair Flow Chart
1. No Power (No LED indicator)
2. Can not start (LED indicator green)
Check the 12V Supply
OK
Repair the power
NG
OK
Check Q801
,
Q802
,
Q803
,
Q806,Q805
NG
Replace Q801 or Q802 or Q803 or Q806, Q806
OK
OK
Check LVDS cable
NG
Replug or replace the cable
OK
Check PT801,PT802, Q804,Q807
Check Panel
Check IC801
Replace IC801
NG
NG
Replace PT801,PT802,Q804,Q807
NG
Replace panel
Check the source
OK
Reset source
NG
NG
Check power cord and board interface
Plug in power cord and interface
OK
Check F901, BD901, C905
NG
Replace F901 or BD901 or C905
OK
Check the start voltage of IC901 pin8
Check D902, C906, ZD905
NG
Replace IC901, R931, R904, R938
OK
Check T901
OK
Replace T901
Replace D902 or C906 or ZD905
OK
NG
NG
Check the output wave of IC901 PIN5
NG
Replace D901 or Q903 or ZD904
OK
Check the feedback circuit& protect circuit
Содержание L19W631
Страница 18: ...19 LCD TV AOC L19W631 18 4 Remove the shield 5 Remove the main board power board ...
Страница 19: ...19 LCD TV AOC L19W631 19 6 Remove the key board IR board speaker 7 Relax the clips to remove the bezel ...
Страница 25: ...19 LCD TV AOC L19W631 25 6 PCB Layout 6 1 Main Board ...
Страница 26: ...19 LCD TV AOC L19W631 26 ...
Страница 27: ...19 LCD TV AOC L19W631 27 ...
Страница 28: ...19 LCD TV AOC L19W631 28 6 2 Power Board ...
Страница 29: ...19 LCD TV AOC L19W631 29 ...
Страница 30: ...19 LCD TV AOC L19W631 30 ...
Страница 31: ...19 LCD TV AOC L19W631 31 6 3 Tuner Board 6 4 IR Board ...
Страница 54: ...19 LCD TV AOC L19W631 54 10 Exploded View ...