20” LCD TV
AOC L20W451T
25
6.4 Abnormal Display
Check the source
OK
Reset source
NG
Check signal filter circuit
NG
Replace the filter or inductance
OK
Check U106
NG
Replace U106
RF signal
Check TV system setup
OK
Check TU101
Replace TU101
AV, SCART1/2_CVBS signal
OK
NG
Check U107
NG
Replace U107
S-video SCART2_Y/C signal
Check U104
NG
Replace U104
PC signal
Check U102
NG
Replace U102
OK
Check U401, U407
NG
Replace U401
Summary of Contents for L20W451T
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Page 7: ...20 LCD TV AOC L20W451T 7 2 2 To Use The Menus ...
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Page 18: ...20 LCD TV AOC L20W451T 18 Fig 5 Fig 6 Fig 7 ...
Page 32: ...20 LCD TV AOC L20W451T 32 8 PCB Layout 8 1 Main Board 715T1539 2 2 ...
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Page 35: ...20 LCD TV AOC L20W451T 35 8 2 Power Board 715T1599 4 ...
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Page 37: ...20 LCD TV AOC L20W451T 37 8 3 Tuner Board 715T1529 1 2 ...
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Page 40: ...20 LCD TV AOC L20W451T 40 8 4 IR Board 715T1453 1 I 8 5 Key Board 715T1816 2 ...
Page 41: ...20 LCD TV AOC L20W451T 41 8 6 Headphone Board 715T1290 1 5 ...