Receiver Part - Samsung SGH-E700 Service Manual

Gsm telephone

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8. Receiver Part

Receiver does not work

U602 pin 3,4 = 1.5V?

U602 pin 12,15 = 1.5V?

EAR600 pin 2,3 = short?

EAR600 pin 2,3,6 = 1.5V?

HDC700 pin 40,42 = 1.5V?

Check the soldering of the

Is Receiver working?

Yes

spaeaker wire

Yes

END

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SGH-E700 Flow Chart of Troubleshooting

Resolder or replace U602

Resolder EAR600

Replace the HDC700

Modufy the speaker wire soldering

Replace the Receiver

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