Nokia 2760 Service Manual page 31

RM-258; RM-259
Service Tools and Service Concepts
Issue 1
MJ-137
MJ-137 is meant for component level troubleshooting.
The jig includes an RF interface for GSM and Bluetooth. in addition, it
has the following features:
• Provides mechanical interface with the engine and UI module
• Provides galvanic connection to all needed test pads in module
• Duplicated SIM connector
• Audio components: IHF, MIC
• Connector for control unit
The following table shows the attenuation values for galvanic RF
connection:
•
Band
GSM850
GSM900
GSM1800
GSM1900
PCS-1
The PCS-1 power cable (DC) is used with a docking station, a module
jig or a control unit to supply a controlled voltage.
COMPANY CONFIDENTIAL
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Module jig
Tuning Attenuation RX
channel (dB)
128 0.13
190 0.12
251 0.11
38 0.08
124 0.10
975 0.11
512 0.46
700 0.46
885 0.49
512 0.50
661 0.56
810 0.56
Power cable
Attenuation
TX(dB)
0.11
0.09
0.08
0.13
0.12
0.08
0.39
0.41
0.45
0.44
0.48
0.52
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