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SGH-Z510 Flow Chart of Troubleshooting and Circuit Diagrams
2-1-3. Sim Part
Power Can not access SIM Card
YES
NO
Check the Voltage at pin 1 of
Check the circuit
SIM400 ≒2.85V
Related to SIM400
YES
NO
Check the SIM400's Connection
Resolder SIM400
To SIM card
YES
Check the circuit around UME400 and
Data stored in it
END
V_2.85USIM
USIM_CLK
USIM_RESET
SIM400
C411
C410
C412
R407
C413
USIM_DATA
C414
2-8
SAMSUNG Proprietary-Contents may change without notice
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