MJ-137 Module jig
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 Tuning
channel
Attenuation RX
(dB)
Attenuation
TX(dB)
GSM850 128 0.13 0.11
190 0.12 0.09
251 0.11 0.08
GSM900 38 0.08 0.13
124 0.10 0.12
975 0.11 0.08
GSM1800 512 0.46 0.39
700 0.46 0.41
885 0.49 0.45
GSM1900 512 0.50 0.44
661 0.56 0.48
810 0.56 0.52
PCS-1 Power cable
The PCS-1 power cable (DC) is used with a docking station, a module
jig or a control unit to supply a controlled voltage.
RM-258; RM-259
Service Tools and Service Concepts
Issue 1 COMPANY CONFIDENTIAL Page 2 –9
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