42
’’ LCD TV AOC L42W761
24
2. Can not start (LED indicator yellow)
NG
Repair the key board
OK
Check the standby voltage of main board
NG
Replace U903
,
U906
,
U907
,
U908
,
U909
,
U911
OK
Check U401
NG
Replace U401
OK
Check U404
NG
Replace U404
NG
Replace Q906
,
Q907
,
Q913
OK
Check I
2
C communication
Check key board
OK
Check the POWER_ON SIGNAL
Check the components of I
2
C communication
NG
Summary of Contents for L42W761
Page 15: ...42 LCD TV AOC L42W761 15 2 4 Front Panel Control Knobs ...
Page 20: ...42 LCD TV AOC L42W761 20 5 Remove the screws and pull out the connecters to remove the board ...
Page 22: ...42 LCD TV AOC L42W761 22 7 Remove the screws to remove the left and right metallic bracket ...
Page 28: ...42 LCD TV AOC L42W761 28 6 PCB Layout 6 1 Main Board ...
Page 29: ...42 LCD TV AOC L42W761 29 ...
Page 30: ...42 LCD TV AOC L42W761 30 6 2 Power Board ...
Page 31: ...42 LCD TV AOC L42W761 31 ...
Page 32: ...42 LCD TV AOC L42W761 32 ...
Page 33: ...42 LCD TV AOC L42W761 33 6 3 IR Board ...
Page 34: ...42 LCD TV AOC L42W761 34 6 4 Side Board 6 5 Key Board ...
Page 37: ...42 LCD TV AOC L42W761 37 8 Block Diagram ...
Page 38: ...42 LCD TV AOC L42W761 38 9 Schematic Diagram 9 1 Main Board ...
Page 39: ...42 LCD TV AOC L42W761 39 ...
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Page 55: ...42 LCD TV AOC L42W761 55 9 3 IR Board ...
Page 56: ...42 LCD TV AOC L42W761 56 9 4 Key Board ...
Page 57: ...42 LCD TV AOC L42W761 57 9 5 Side Board ...
Page 58: ...42 LCD TV AOC L42W761 58 9 6 Audio Board ...