Haier LT32M1CA, Service Manual

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32
”LCD TV Haier LT32M1CA&LT32M1C
31
5. Repair Flow Chart
No picture (LED orange)
Abnormal display
Change key board/IR board
Check U400 Change U400
Check I 2 C bus
Check key board/IR board
Check I 2 C communication
No picture
OK
NG
OK
OK
NG
Check 24V power supply
OK
Check the power supply circuit
NG
NG
Check main board Standby power supply
Change U152
OK
NG
Check TV system setup
Reset source
NG
Replace the filter or resistance
RF signal
Check Tuner
Replace Tuner
Check LVDS cable
Check input
Replace LVDS cable
Check panel
Replace panel
OK
OK
NG
OK
OK
NG
OK
OK
NG
OK
Check signal filter circuit
Check the source