Repair Flow Chart - AOC L20W451T Service Manual

20" LCD TV

6. Repair Flow Chart

6.1 No Power (No LED indicator)
Check power cord and board interface
OK
Check F901, BD901, D910
OK
Check IC930, Q930 (VCC1)
OK
Check Q931, ZD930 (VCC2)
OK
Check PC950, TL950 (FB)
OK
Check T901
OK
Check D970, D980
OK
Check F970 (12V), F980 (24V)
NG
Plug in power cord and interface
NG
Replace F901 or BD901 or D910
Check the load
NG
Replace IC930 or Q930
NG
Replace Q931 or ZD930
NG
Replace PC950 or TL950
NG
Replace T901
NG
Replace D970 or D980
NG
Replace F970 or F980
Check IC 960
OK
Check Q961, Q962
OK
Check Q960
OK
OK
Check F960
Check the load
22
AOC L20W451T
NG
Replace IC 960
NG
Replace Q961 or Q962
NG
Replace Q960
NG
Replace F960
Check the load