Nokia 2600 服务手册

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页码 52
 RH-59/60
Nokia Customer Care
34
COMPANY CONFIDENTIAL
ISSUE 1 09/2004
Copyright © 2004 Nokia. All Rights Reserved.
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General instructions for RH-60 GSM1900 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.
Phoenix commands
RF Controls .Band GSM 1900 RX .Continuous mode
Channel 661 
Your screen should look like:
Figure 29:GSM1900 RF controls screen shot
GSM1900 TX output power
Measure the output power of the phone.  
It should be around 29.7 dBm. 
Remember the loss in the jig; around 0.7 dB.