NHL-10
CCS Technical Documentation RF Troubleshooting
26 COMPANY CONFIDENTIAL ISSUE 2 01/2004
Copyright © 2003 Nokia. All Rights Reserved.
Figure 2: GSM RF area
Preparation for Fault Finding
1 Place phone (mechanics removed) on module jig.
2 Connect the module jig to the PC via a DAU-9S cable.
3 Connect the module jig to the power supply (4.2V).
4 Connect the RF output to a spectrum analyzer or another measurement instru-
ment.
Use a 10dB attenuator at the input to spectrum analyzer to avoid damaging it.
5 Make sure the dongle is connected and start Phoenix.
6 In Phoenix, select File -> Open Product -> NHL-10 6600 Product Menu.
7 Select Testing -> RF Controls.
8 From the toolbar, set Operating Mode to Local.
9 Select band: GSM900, GSM1800 or GSM1900.
10 Set Operation Mode to Burst.
11 Set Active Unit to TX.
12 Set TX Data Type to All1.
EGSM
SAW Filter
DCS/PCS
Balun
EGSM
Pre-Amp
Up-mixer bias
networks
(EGSM/DCS/PCS)
ASM
Power
Amplifier
Power
Detector
Circuit
Directional
Coupler
Mjolner
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