32’’ LCD TV AOC L32W451B
27
5.2 Can not start (LED indicator yellow)
NG
Repair the key board
OK
Check 5V_SB
NG
Return to “5.1”
Check 3.3V_SB
Replace U701
OK
NG
Check PWR_ON signal
OK
NG
Check Q704, Q705, Q706, Q709
NG
Replace Q704 or Q705
or Q706 or Q709
Check U32, U21
NG
Replace U32 or U21
Check I
2
C communication
OK
Check PFC circuit
NG
Replace IC901 or Q901
OK
Check main board power supply
Check key board
Check Panel inverter board
NG
Replace panel
Summary of Contents for L32W451B
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Page 7: ...32 LCD TV AOC L32W451B 7 2 3 Front Panel Control Knobs 2 4 OSD Operations ...
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Page 16: ...32 LCD TV AOC L32W451B 16 2 5 How to Connect ...
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Page 34: ...32 LCD TV AOC L32W451B 34 Fig 4 Fig 5 Fig 6 ...
Page 36: ...32 LCD TV AOC L32W451B 36 7 PCB Layout 7 1 Main Board ...
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Page 38: ...32 LCD TV AOC L32W451B 38 7 2 Power Board 0 ...
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Page 41: ...32 LCD TV AOC L32W451B 41 7 3 Key Board 7 4 IR Board ...
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Page 43: ...32 LCD TV AOC L32W451B 43 7 5 DC DC Board ...
Page 44: ...32 LCD TV AOC L32W451B 44 7 6 Earphone Board ...
Page 46: ...32 LCD TV AOC L32W451B 46 8 2 Power Board 32 TV Power Board ...
Page 47: ...32 LCD TV AOC L32W451B 47 8 3 Exploded View ...
Page 60: ...32 LCD TV AOC L32W451B 60 9 2 Power Board ...
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Page 96: ...32 LCD TV AOC L32W451B 96 Q801 057T 763 4 RSS050P03 ...