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26"&32"&37" 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
Check U400
OK
2
Check I
C bus
NG
Change key board/IR board
NG
Check the power supply circuit
NG
Change U152
NG
Change U400
NG
2
Check I
C communication
43
Haier A626&A632&A637F
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