TCL LCD20W5HE, Service Manual

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20” LCD TV TCL LCD20W5HE
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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