General; Service Functions In The Software - Sony Ericsson J100a Troubleshooting Manual, Mechanical

1 General

This document outlines the mechanical repairs that should be made in an attempt to fix the common failures that are seen in the
field. To gain a complete understanding of how to test and repair a specific failure, this document should be used in conjunction
with the Test Instructions, Mechanical and the Working Instructions, Mechanical.
1.1

Service functions in the software

There are two different service menus.
#82#; Here you will find information about software and hardware versions.
#890#; Here you will find the test menu.
The test menu will looks like this:
Keypad
Vibrator
LCM
Buzzer
Voice loop back
NOTE: Different names may occur depending on language setting and customization.
4/000 21-1/FEA 209 544/114 A
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
; Display test
; Ring signal test
; Microphone and speaker test
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