Charging Troubleshooting - Nokia RM-761 Service Manual

RM-761; RM-799; RM-800
BB Troubleshooting and Manual Tuning Guide
Troubleshooting flow

Charging troubleshooting

Can not identify charger
When inserting the wall adaptor into the phone, the phone will detect a valid voltage if charger output
voltage is 4.6 – 9.3V. But if something is wrong with the voltage detect/measurement circuit, then the phone
cannot correctly identify the charger.
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