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SGH-E700 Flow Chart of Troubleshooting
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8. Receiver Part
U602 pin 3,4 = 1.5V?
Resolder or replace U602
END
No
Yes
Yes
Receiver does not work
HDC700 pin 40,42 = 1.5V?
Replace the HDC700
No
Yes
Is Receiver working?
Replace the Receiver
No
Yes
No
Resolder or replace U602
Yes
No
Resolder EAR600
EAR600 pin 2,3 = short?
Yes
EAR600 pin 2,3,6 = 1.5V?
No
Resolder EAR600
Yes
Check the soldering of the
spaeaker wire
No
Modufy the speaker wire soldering
Yes
U602 pin 12,15 = 1.5V?