
SGH-E910 Flow Chart of Troubleshooting
2-
4
Check and resolder
con-to-con connector
HDC301,HDC101 or
con-to-con FPCB
change
2-1-2. Initial
Initial Failure
Yes
①
Check the signal at pin
K9 of U301 is
"Low" for 250ms after
when the phone is boot
No
Check
TP301
of U301
Yes
②
Check the pin4 of
OSC201 is around
No
Check the soldered status of
UCP201, OSC201, C214, C215
③
Yes
No
Check
HDC500
and LCD part
LCD display is O.K?
Yes
Check audio part
Sound is O.K?
No
END
Yes
Yes