User Guide

PAMS Technical Documentation Troubleshooting Instructions
NHM-8NX
Issue 1 05/02 ãNokia Corporation Page 33
Figure 16 : TX measurement point in Mjolner (N600) shielding can
General instructions for GSM TX troubleshooting
Apply a RF-cable to the RF-connector to allow the transmitted signal act as normal. RF-
cable should be connected to measurement equipment or to at least a 10-dB attenuator,
otherwise the PA may be damaged.
Start Phoenix-Service-Software and establish a connection to the phone e.g. FBUS.
Select File and Product: Gemini
Select: Maintenance, Testing and RF Controls
Band: GSM 900
Active Unit: TX
Tx Power Level: 5
Tx Data Type: Random
'
OUT_D_T
X
OUT_G_TX
V
T
X
TXIP
TXIM
Bal_Input1
GSM
Bal_Input2
GSM
Bal_Input1
Bal_Input2
TXQM
TXQI