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42 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
No picture
OK
OK
OK
OK
NG
Check U401
OK
2
Check I
C bus
NG
Change key board/IR board
NG
Check the power supply circuit
NG
Change U706
Change U401
NG
2
Check I
C communication
19
Haier HL42XD1
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