Mobilchips
SGH-X610 Flow Chart of Troubleshooting
2-
4
2-1-2. Initial
Check the signal at the
pin M9 of U101 is
"High" when the phone
is boot on
Initial Failure
Check the pin C15,L7 and Q104
END
No
Yes
Check the key metrix
of the U201
Yes
Check the key program and
the key pcb
Check the VCCD,
VCC1.8A of U201
Check the soldered status of U201,
OSC201
Yes
No
No
Yes
Yes
Check the VCCD of
U201 is around 2.8V
Check the soldered status of
U201,OSC201
No
