Repair Flow Chart - Haier LT32M1CA Service Manual

32"LCD TV

5. Repair Flow Chart

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