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Flow Chart of Troubleshooting
9-14
9-8. Receiver Part
Are the signal at
C525,C528
pins OK?
Receiver does not work
Check the signal at 15,17
Pins of
U500
Check the supply voltage of U500
No
Yes
No
Change the PBA
Yes
Check the signal at
45,47
pins of LCD
Connector on LCD module
Replace con to con FPCB
No
Yes
END
Yes
Check the Speaker
contact pins
Replace Speaker
No
Yes