27’’ LCD TV AOC L27W451B
30
5.4 Abnormal display
Check the source
OK
Reset source
NG
Check signal filter circuit
NG
Replace the filter or inductance
OK
NG
RF signal
Check TV system setup
OK
Check Tuner
Replace Tuner
AV, SCART1/2_CVBS signal
S-video SCART2_Y/C signal
Check U3
NG
Replace U3
PC signal
Check U11
NG
Replace U11
OK
Check U21, U20
NG
Replace U20
OK
Summary of Contents for L27W451B
Page 3: ...27 LCD TV AOC L27W451B 3 1 Monitor Specifications ...
Page 4: ...27 LCD TV AOC L27W451B 4 ...
Page 5: ...27 LCD TV AOC L27W451B 5 2 Operations Instructions 2 1 The Use of Remote Control ...
Page 6: ...27 LCD TV AOC L27W451B 6 2 2 The Use Of Teletext ...
Page 7: ...27 LCD TV AOC L27W451B 7 2 3 Front Panel Control Knobs ...
Page 8: ...27 LCD TV AOC L27W451B 8 2 4 OSD Operations ...
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Page 16: ...27 LCD TV AOC L27W451B 16 2 5 How to Connect ...
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Page 26: ...27 LCD TV AOC L27W451B 26 The end N A ...
Page 35: ...27 LCD TV AOC L27W451B 35 Fig 4 Fig 5 Fig 6 ...
Page 37: ...27 LCD TV AOC L27W451B 37 7 PCB Layout 7 1 Main Board ...
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Page 39: ...27 LCD TV AOC L27W451B 39 7 2 Power Board 0 ...
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Page 42: ...27 LCD TV AOC L27W451B 42 7 3 Key Board 7 4 IR Board ...
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Page 44: ...27 LCD TV AOC L27W451B 44 7 5 DC DC Board ...
Page 45: ...27 LCD TV AOC L27W451B 45 7 6 Earphone Board ...
Page 47: ...27 LCD TV AOC L27W451Bʳ 47 8 2 Power Board 27 TV Power Board ...
Page 48: ...27 LCD TV AOC L27W451Bʳ 48 8 3 Exploded View ...