User Guide

SGH-E620 Flow Chart of Troubleshoo ting
2-12
2-6. Speaker Part
*Callbeforetesting.
Check the soldered
status of Speaker
Receiver does not work
Check the pin 7 of U401
"High"?
Resolder Speaker
Check U401 and the audio path of
U400,U100
END
No
Yes
Yes
No
Is Speaker working?
Is Speaker working ?
Check the path from U100 to CN500
Change Speaker
No
Yes
Yes
No
1