20” LCD TV
AOC L20W451T
22
6. Repair Flow Chart
6.1 No Power (No LED indicator)
NG
Check power cord and board interface
Plug in power cord and interface
OK
Check F901, BD901, D910
NG
Replace F901 or BD901 or D910
OK
Check IC930, Q930 (VCC1)
Check D970, D980
NG
Replace IC930 or Q930
Check Q931, ZD930 (VCC2)
NG
Replace Q931 or ZD930
OK
OK
Check T901
OK
NG
Replace T901
Replace D970 or D980
OK
Check F970 (12V), F980 (24V)
Check PC950, TL950 (FB)
Replace PC950 or TL950
OK
NG
NG
NG
Replace F970 or F980
Check the load
OK
Check IC 960
NG
Replace IC 960
OK
Check Q961, Q962
Replace Q961 or Q962
NG
OK
Check Q960
NG
Replace Q960
Check F960
NG
Replace F960
OK
Check the load
Check the load
Summary of Contents for L20W451T
Page 5: ...20 LCD TV AOC L20W451T 5 2 Operating Instructions 2 1 The Use Of Remote Control ...
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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 ...