Samsung GT-C5510 - Chart of Troubleshooting

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9. Flow Chart of Troubleshooting
9-1
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9-1.
Baseband
9-1-1.
Power ON
'
Power On' does not work
Check the Vbat
Voltage
>=3.3V
Download again
Charge the Battery
Check the pin
3
of TCXO
Check
No
Yes
Yes
Yes
Yes
Yes
No
No
Check the current consumption
Check the clock
Current
consumption
>= 100
mA
Current
consumption
>= 30
mA
Yes
No
Check the pin3
of Q401
Check the UCP300
High
Check the Q401
Low
Check the power
VREG_RF1_2.3V
VREG_RF2_1.4V
VREG_MSMC_1.2V
VREG_USIM_2.85V
VREG_TCXO_2.85V
VREG_RFTX2_1.3V
VREG_RFRX2_1.3V
VREG_RFA_2.2V
VREG_MSMP_2.6V
VREG_MSME_1.8V
VREG_GP1_2.85V
VREG_GP2_2.9V
Yes
Change the UCP300
No
END
Check the UCP300(32.768KHz)