Hardware Set Up; General Voltage Checking - Nokia 2228Arte Service Manual

Hardware set up

Hardware requirements for tuning:
• PC (Windows 2000/XP)
• Power supply
• Product specific module jig
• Cables: RF cable and USB cable
• Signal analyzer (TX), signal generator (RX) and RF-splitter or one device including all.

General voltage checking

Steps
1. Set up the main board. The phone should be in FTM mode.
2. Check the following:
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1
2
3
4
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Figure 4 Tuning concepts with CMU200
Signal name
VREG_TCXO
BATT_VDD
VREG_RFRX
VREG_RFTX
COMPANY CONFIDENTIAL
Copyright © 2008 Nokia. All rights reserved.
Test point
R1016
R1013
C1004
R401
RM-377
RF troubleshooting
Voltage
2.85V
3.85V
2.6V
2.6V
Issue 1