General Voltage Checking - Nokia 6500 SLIDE RM-240 Service Manual

RM-240
RF troubleshooting
Note: Crossover Cable connection between computer and CU200 is recommended (refer to Service
Devices chapter and Module Jig concept).
Phoenix preparations
Install the phone specific data package, for example
specific settings..
Auto tuning procedure
1 Make sure the phone (in the jig) is connected to the equipment. Else, some menus will not be shown in
Phoenix.
2 To go to autotune, select
3 Start autotuning, clicking the

General voltage checking

Steps
1. Set up the main board in the module jig. The phone should be in local mode.
2. Check the following:
#
1 VCTCXO supply
2 AHNEUS supply from DC/DC conv
3 FEM supply
4 WCDMA PA supply from DC/DC conv
5 Vbat at WCDMA PA
6 Supply input to DC/DC conv
* With these settings, the result should be 1.3 V.
Issue 1
Figure 14 Auto tuning concept with CMU200
Tuning (Alt-U) > Auto-Tune (Alt-A) from the menu.
Tune button.
Signal name
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
RM-210_dp_1.78_sw_sh3.26.exe . This defines phone
Test point
R7501 2.5 V
C7590 3.1 V
C7523 3.9 V
C7543 0 V (1.3 V* when transmitting. Settings
as in note below)
C7547 3.9 V
L7591 3.9 V
Voltage (all bands)
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