Philips CT6558 Tuning Up Procedure & Operational Manual page 21

PHILIPS
Tuning Up procedure & Operational Manual
Check SIM card issue:
Check whether the SIM card can work
Check no soldering issue to SIM connector.
Check the good contact between SIM card and the connector
Check if the power signal is correct.
Check if the clock signal is correct.
Check if I/O signal is correct.
Otherwise change SIM connector, PMU, CPU in turns.
Revision :
Date :2004-9-7
Page No. : Page 21 of 21
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