Haier LTF47K1 Service Manual page 42

42"&47" LCD TV
No Power (No LED Indicator)
Check power cord and board interface
Check F901, BD901, C933 or C9115,
or F9101, or BD9101
Check IC906, IC901, IC904, or
IC9101, or IC9201, or IC9401
Check T901, T902, or T9201, or T9401
Check D911, C951, D903, D906, D907,
C912, C922 or D9204, or D9403, or
D9404, or C9411, or C9414, or C9211
No Display (LED Indicator Green)
Check the source
Check LVDS cable
Check IC906, Q901 or IC9101, or Q9102
Check IC904, Q903, or IC9401, or Q9401
Check T902 or T9401
Check D903, D906, D907 or D9403, or D9404
Check U400
OK
OK
OK
OK
NG
OK
NG
OK
OK
OK
NG
OK
OK
NG
OK
NG
Check panel
NG
Plug in power cord and interface
NG
Replace F901, BD901, C933 or
C9115, or F9101, or BD9101
NG
Replace IC906, IC901, IC904, or
IC9101, or IC9201, or IC9401
NG
Replace T901, T902, or T9201, or T9401
NG
Replace D911, C951, D903, D906, D907,
C912, C922 or D9204, or D9403, or
D9404, or C9411, or C9414, or C9211
Reset source
Reset LVDS cable
NG
Replace IC906, Q901 or IC9101, or Q9102
NG
Replace IC904, Q903, or IC9401, or Q9401
Replace T902 or T9401
NG
Replace D903, D906, D907 or D9403, or D9404
Replace main board
Replace panel
42
Haier LTF42K1&LTF47K1