General Instructions For Rm4/Rm-5 Gsm Tx Troubleshooting - Nokia RM-4 Troubleshooting Instructions

CCS Technical Documentation

General instructions for RM4/RM-5 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.
Select: Maintenance, Testing and RF Controls
Band:
Active Unit:
Tx Power Level:
Tx Data Type:
Your screen should look like:
Measure the output power of the phone; it should be around 32.5 dBm.
Remember the loss in the jig; around 0.3 dB.
34
GSM 900
Figure 17: GSM900 RF controls window
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Troubleshooting Instructions
TX
19
All 1
RM-4/RM-5
ISSUE 1 02/2004