Nokia 6020b Service Manual
RM-31
Nokia Customer Care 3 - Service Software and Tuning Instructions
44
COMPANY CONFIDENTIAL
Issue 1 03/2005
Copyright © 2005 Nokia. All Rights Reserved.
Phoenix Tuning
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General instructions for tuning
Connect the phone to a PC, which has Phoenix Service Software and a dongle installed, using
either
either
• repair jig and DAU-9S (RS232) cable or
• repair jig and XCS-4 cable via FPS-8 flash box or
• DAU-9T cable (RS232).
Connect the phone to a power supply (DC voltage of 3.6V, min. current of 3A) and switch the
phone on.
phone on.
Start Phoenix Service Software and open FBUS connection.
Select <Scan Product> (Ctrl-R or in menu file < Scan Product>).
Wait until the phone information is shown in the lower right corner of the screen.
Set operating mode to <Local>.
NOTE: PHOENIX automatically selects the product (phone) by scanning when using the CCS-
dongles, e.g. PKD-1CS or PKD-1. This means all commands
dongles, e.g. PKD-1CS or PKD-1. This means all commands
SelectScan ProductCtrl-R
as mentioned in this document are irrelevant !
NOTE: The screenshots of Phoenix windows displayed in this document showing RH-37, are
also valid for RM-31.
also valid for RM-31.
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RF tuning after repairs
Following tunings have to be performed after repairs:
• Repairs in the TX part will require "TX Power Level Tuning".
• When component replacements around the modulator area (RF path from UEM
via RF ASIC to RF PA) have been done, "TX IQ Tuning" is additionally required.
via RF ASIC to RF PA) have been done, "TX IQ Tuning" is additionally required.
• In general, repairs in the RX front-end always require "RX Calibration" and “Rx
Band Filter Calibration” for all three bands.
Band Filter Calibration” for all three bands.
• Repairs in the PLL circuit always require "RX Calibration" of the low band
(GSM850).
(GSM850).
• If the RF ASIC was replaced all calibrations mentioned above have to be carried
out.
out.