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Mobilchips
2. SGH-X610 Flow Chart of Troubleshooting
2-
1
2-1.Baseband
2-1-1. Power ON
Check the current
consumption more
than 100mA
'Power On' does not work
Check the VBAT
more than 3.3V
Download again
Change the Battery
Check the pin
J12 of U101 is
more than 2.8V
Check the C114
U101 pin A13
= 2.8V
Check U101 and C113
Check the clock signal at
pin3 of OSC301
Freq=13MHz ?
Vrms
≥
700mV ?
Vpp is around
1.3Vpp ?
Check the clock generation
circuit
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
U101 pin G11
= 1.8V
No
Yes
Check the CON To
CON and KEY PBA
Resolder or change CON To
CON and KEY PBA
No
Yes