User Guide

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SGH-C110 Flow Chart of Troubleshooting

2-9

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6. Receiver

* Call before testing.

Put 'sine wave' from

8960, and Check the

pin5 & 7 of U502 is

sine wave

Receiver does not work

Check the pin3 & 9

of U502 is sine wave

Check U200 and speak related

circuit

Check U502 and soldering

END

Yes

Check the wave of

C412 & C421

Is Speaker working ?

Check the path from U502 to

SPK400

Replace the Speaker

Yes