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Flow Chart of Troubleshooting
9-6
9-2. Sim Part
"Insert SIM" is displayed on the LCD
Yes
VSIM_3.0V at the pin#1
(SIM_3.0V) = "H"
No
Check the SIM Power
Yes
After Power ON,
Check SIMCLK Signal on
pin 3 of SIM600
in a few second
Check the Clock
No
Yes
After SIM card insert,
SIM600 pin 2(SIMRST)
= "H"
Replace PBA
No
Yes
Check the SIM Card
Yes
END