Nokia 6310i Service Manual page 186

NPL-1
6 - Troubleshooting
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SIM Fault
Measure
VSIM at
X386. Is it
3V?
Yes
Check SIM power-up
sequence
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Check SIM
No
reader X386
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PAMS Technical Documentation
Measure
No
VSIM at
C302. Is it
3V?
Yes
Replace R388
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VSIM
Reset
Clock
Data
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