User Guide

RM-94
Nokia Customer Care 4 - Service Tools
16 COMPANY CONFIDENTIAL Issue 1 04/2005
Copyright © 2005 Nokia. All Rights Reserved.
Module repair jig MJ-22 update
Power supply features
jig and phone power supply via 3mm DC jack, fuse
power stabilization and voltage regulator on jig (can be bypassed by jumper)
reverse and over-voltage protection of jig and phone module
Communication and status LED’s
green: Power supply
green: MBUS activity
orange: FBUS activity
jumper to disable LED’s for precise phone module current consumption measure-
ments
Spare parts
spring loaded test pins (used in upper part, can be replaced by soldering)
Test pins (10pcs / plastic bag)
The module repair jig MJ-22 needs to be updated because the holder can touch the soldering
point of the switch and cause mechanical stress (3).
Remove a small part of the press pad (2) with a simple file (1).
(3)
(2
)
(1)
(2)