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Does the SIM supports 3V?
Check the condition of
J301 Good?
Voltage of pin 1
in J301=2.85V
No
No
No
Check ABB
Good?
Re-download
SW Work?
Change SIM card Does it
work properly?
No
No
Yes
Yes
Yes
Yes
Yes
START
Change the SIM. Our Phone supports 3V SIM only
Resolder or replace J301
Replace Main board
The SIM is malfunctioned
.
Change the SIM.
No
SIM will be DETECTED.
Z3X-BOX.COM
Summary of Contents for CE500
Page 3: ... 4 Z 3 X B O X C O M ...
Page 77: ...4 TROUBLE SHOOTING 78 5 Check Tx I Q TXQP TXQN TXIN TXIP U704 Test Point Z 3 X B O X C O M ...
Page 85: ...Note 86 Z 3 X B O X C O M ...
Page 93: ... 94 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 94: ... 95 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 95: ... 96 Z 3 X B O X C O M ...
Page 103: ...9 CALIBRATION 104 L Standalone Test Equipment Setup Oscilloscope Z 3 X B O X C O M ...
Page 105: ... 106 Z 3 X B O X C O M ...
Page 127: ...Note 128 Z 3 X B O X C O M ...