Samsung SGH-E100 Service Manual page 36

SGH-E100 Flow Chart of Troubleshooting
8. Receiver Part
Receiver does not work
U515 pin 9,10 = 1.5V?
U507 pin 9,10 = 1.5V?
EAR500 pin 2,3 = short?
EAR500 pin 2,3,6 = 1.5V?
CN100 pin 20,21 = 1.5V?
Check the soldering of the
speaker wire
Is Receiver working?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
END
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No
Resolder or replace U515
No
Resolder or replace U507
No
Resolder EAR500
No
Resolder EAR500
No
Replace CN100
No
Modify the speaker wire soldering
No
Replace the Receiver
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