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Customer Care Europe, Middle East & Africa NHL-4u/NHL4/NHL-4j Repairhints
SCCE Training Group 6610/7210/7250 Version 3.0
2003 Nokia Mobile Phones
Date 21/05/2003
© NMP 2003
Checked by:
SCCE Training Group
Approved by:
CC Europe, Middle East & Africa
If VSIM is ok, check
following signals with inserted SIM card:
SIMCLK = 3.25MHz at X386 Pin1
SIMRST = 3VDC at X386 Pin2
SIMDATA at X386 Pin6
SIMDATA (example) Figure 4
SIMCLK Figure 5
If any of the signals above is not measureable, change R388. If the fault persists after changing R388, change UEM D200.
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