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SGH-I700 Flow Chart of Troubleshooting
2-8
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6. Speaker Part
CN602 pin 7,8
!= sine wave ?
Speakerdoesnotwork
Check the pin 1 of
U405 is "H" ?
ReplaceSpeakerandIfspeakeris
well, than replace side key F-PCB
Hardware Reset or Download Image
Istheresinewavesignal
on the U403 pin35,36
during window Media
playing?
Hardware Reset or Download Image
END
No
Yes
Yes
Yes
No
No
Check the pin 4 of
U407 is "H" ?
Hardware reset or Resodering or
download image.
No
Yes
Yes