Haier LTF42M1C - Repair Flow Chart

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5. Repair Flow Chart
No Picture (LED Orange)
Change key board/IR board
Check U400 Change U400
Check key board/IR board
No picture
OK
NG
OK
NG
Check 24V power supply
OK
Check the power supply circuit
NG
Check main board Standby power supply
Change U152
OK
NG
Check I
2
C bus
Check I
2
C communication
NG
OK