Service Devices; Product Specific Devices; General Devices - Nokia 2700c-2 Service Manual

RM-561
Service Devices and Service Concepts

Service devices

Product specific devices

The table below gives a short overview of service devices that can be used for testing, error analysis, and
repair of product RM-561. For the correct use of the service devices, and the best effort of workbench setup,
please refer to various concepts.

General devices

The table below gives a short overview of service devices that can be used for testing, error analysis, and
repair of product RM-561. For the correct use of the service devices, and the best effort of workbench setup,
please refer to various concepts.
Issue 1
MJ-248
MJ-248 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 module
• Provides galvanic connection to all needed test pads in module
• Multiplexing between USB and FBUS media, controlled by Vusb
• MMC interface
• Duplicated SIM connector
• Connector for control unit
• Access for AV- and USB connectors
SA-130
SA-130 is an RF coupler for GSM RF testing. It is used together with
SS-46 and SS-62.
The following table shows attenuations from the antenna pads of the
mobile terminal to the SMA connectors of SA-130:
•
Band
GSM850
GSM900
GSM1800
GSM1900
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
Module jig
RF coupler
default f/ Attenuati
MHz RX on RX
881.6 0.20
942.4 0.20
1842.8 0.30
1960.0 0.30
default f/ Attenuati
MHz TX on TX
836.6 0.15
897.4 0.15
1747.8 0.25
1880.0 0.30
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