Nokia N80 - Power Amplifier (PA) and Switch Mode Power Supply (SMPS) Troubleshooting

Band RF ASIC N7505 RF ASIC N7500 Expected Result
GSM900 R7514 No test point 897,4 MHz
GSM1800 R7523 (no fit) L7541 (no fit) 1747,8 MHz
GSM1900 R7523 (no fit) L7541 (no fit) 1880,0 MHz
Power amplifier (PA) and switch mode power supply (SMPS) troubleshooting
Troubleshooting flow
RM-91; RM-92
Nokia Customer Care RF Troubleshooting and Manual Tuning Guide
Page 7 –24 COMPANY CONFIDENTIAL Issue 1
Copyright © 2006 Nokia. All rights reserved.