User Guide

Service tools

Product specific tools

The table below gives a short overview of service tools that can be used for testing, error analysis and repair

of product RM-244, refer to various concepts.

FS-56 Flash adapter

Flash adapter FS-56 is used for phone testing and flashing. FS-56 is

used with the generic flash adapter base SS-60/62 and control unit

CU-4 or interface adapter SS-46.

When flashing or system testing the phone, the adapter is attached to

replace the phone own battery.

All functions (as well as the calibration voltages, current and the

protections for over voltages, over current and voltage polarity), are

performed by CU-4.

Flash adapter FS-56 main features:

• VBATT supply interface

• USB / FBUS multiplexed interface to the phone

MJ-141 Module jig

MJ-141 can be used for flashing as well as for RF, battery and system

testing.

MJ-141 main functions:

• CU-4 interface adapter to phone

• FBUS interface to phone

• UI Interface to phone

• WCDMA and GSM RF-interface

All functions are performed in CU-4 e.g. calibration voltages and

currents both all protections (over current, over voltage and voltage

polarity).

MJ-141 contains following interfaces to phone:

• VBATT interface

• UI interface containing Display connector

• WCDMA and GSM RF interfaces

• Bluetooth RF interface

• Earpiece interface

• IHF speaker interface

• Microphone interface

RJ-175 Soldering jig

RJ-175 is a soldering jig used for soldering and as a rework jig for the

engine module.

RM-244

Service Tools and Service Concepts

Issue 1 COMPANY CONFIDENTIAL Page 2 –5