20” LCD TV
AOC L20W451T
26
6.5 No sound
Check the source
OK
Reset source
Check signal filter circuit
NG
Replace the filter or inductance
OK
NG
SIF signal
Check TV system setup
OK
Check TU101
Replace TU101
AV, AIR1/AIR2, PC signal
Check Audio decoder MSP3410G U602
NG
Replace U602
OK
Check U603
NG
Replace U603
OK
NG
Replace U602
Check Earphone jack
NG
Replace the Earphone jack
OK
Check speaker
NG
Replace speaker
Check Amplifier MAX9714ETJ U602
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 ...
Page 36: ...20 LCD TV AOC L20W451T 36 ...
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 ...