User Guide

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SGH-E610 Flow Chart of Troubleshooting and Circuit Diagrams
2-5
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3. Sim Part
Check the SIM
connector's
(CON501)
connector's to SIM
card
Check the circuit related to
U301
NO
resolder or change
CON501
NO
Check the related circu it of
CON501
NO
YES
YES
YES
Phone can't access
SIM card
Check the circuit around
U301 output
and voltage supply circuitry
END
YES
Check the pin 1 of
CON501.
Voltage = 3V
Check the circuit around CON501
input circuitry
Check the related circuit of
U301
NO