Haier LTF42K1, Service Manual, Page: 42 / 141

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