Bush bauer a642f - 5 Repair Flow Chart

42”&47” LCD TV BAUER A642F&A647F
40
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