User Guide

CCS Technical Documentation Service Tools
RH-12/RH-28
Issue 1 02/04 Nokia Corporation Page 9
MJ-12 Module repair jig
The MJ-12 Module repair jig is designed for Regional service centers to allow component
level trouble shooting and testing.
Product code
MJ-12 Module Repair Jig: 0770544”
General features
• EDS proof design
• Component level access while inserted in the jig
• Access to system connector
• SIM cards reader
• UI board with key mat integrated in the jig
• Access to phone module POWER-On push button
• Access to phone module side keys (volume keys)
• Support for IrDa testing
• BT coupler for Go/NoGo test
Power supply features
• Jig and phone supply via 5mm DC jack
• 2A replaceable fuse
• Voltage regulator
• Direct power feeding (bypassing regulator with a jumper)
• Reverse voltage protection
• Over-voltage protection
• On-indicator (green LED)
Spare parts
• Pogo pins used for RF connector (0770446)
• Pogo pins used for flash I/F (needs soldering) (0770551)