Haier A626 Service Manual page 45

26"&32"&37" LCD TV
No Power (No LED Indicator)
Check power cord and board interface
OK
Check F901, BD901, C925 or C920
OK
Check IC901, IC902, IC903
OK
Check T901, T902
OK
Check D950, C954, D970,
D972, C975, C946, or D951,
or D952, or C975, or C959
No Display (LED Indicator Green)
Check the source
Check LVDS cable
Check IC901, Q901
Check IC903, Q903
Check D951, D952, or D970, or D972
Check U400
NG
NG
Replace IC901, IC902, IC903
NG
Replace T901, T902
NG
Replace D950, C954, D970,
D972, C975, C946, or D951,
or D952, or C975, or C959
NG
OK
NG
OK
OK
OK
NG
Check T902
OK
NG
OK
NG
OK
NG
Check panel
NG
Plug in power cord and interface
Replace F901, BD901, C925 or C920
Reset source
Reset LVDS cable
NG
Replace IC901 or Q901
NG
Replace IC903 or Q903
Replace T902
Replace D951, D952 or D970, or D972
Replace main board
Replace panel
45
Haier A626&A632&A637F