Haier LT19Z6 Service Manual page 38

For LTF24Z6
Check power cord and board interface
OK
Check F901, BD901
OK
Check IC901
OK
Check T901
OK
Check Q901 Q920 D901
D908 D913
No Display (LED Indicator Green)
Check the source
Check LVDS cable
Check Q750, Q7501
Check Q401, Q402
Check U4 01
NG
NG
NG
NG
Replace Q901 Q920 D901
D908 D913
NG
OK
NG
OK
OK
OK
NG
OK
NG
Check panel
NG
Plug in power cord and interface
Replace F901, BD901
Replace IC901
Replace T901
Reset source
Reset LVDS cable
NG
Replace Q750, Q7501
NG
Replace Q401, Q402
Replace main board
Replace panel
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