User Guide

Power amplifier (PA) and switch mode power supply (SMPS) troubleshooting

Troubleshooting flow

RF tunings

Introduction to RF tunings

Phone RF is tuned in production. There is no reason to do the re-calibration unless:

• One or more of the RF components is changed

• FLASH memory chip (D5000) is changed or otherwise corrupted.

RM-100

Nokia Customer Care RF Troubleshooting and Manual Tuning Guide

Page 7 –24 COMPANY CONFIDENTIAL Issue 2