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SGH-I700 Flow Chart of Troubleshooting
2-10
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7. Receiver Part
Receiver does not work
Check the pin 2,4 of
U404 is sine wave ?
CN401 pin
=sinewave?
Replace Receiver.
Yes
Yes
Check U404 (pin 1 must be "H")
Check the pin 35,36 of
U403 is sine wave ?
Chech U407, (pin 4 must "H")
END
No
Check the pin 3,9 of
U407 is sine wave ?
Hardware reset or Resodering or
download image.
Yes
No
No
No
Yes
Yes