Phone Does Not Power On; Power Supply Troubleshooting - Nokia RM-761 Service Manual

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

Phone does not power on

Troubleshooting flow

Power supply troubleshooting

High current
If the phone draws excessively high current upon power on or insertion of battery, it means that VBAT or a
LDO output is shorted.
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