Nokia NPM–9 Series Installation instructions

PAMS Technical Documentation
NPM–9 Series Transceivers
Issue 1 02/2002 Nokia Corporation
Disassembly Instructions

NPM–9
Disassembly Instructions PAMS Technical Documentation
Page 2 Issue 1 02/2002
Nokia Corporation
CONTENTS
Disassembly of NPM–9 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NPM–9
Disassembly Instructions
PAMS Technical Documentation
Page 3
Issue 1 02/2002 Nokia Corporation
Disassembly of NPM–9
1. DISASSEMBLYINSTRUCTIONS
Attention : Before starting this procedure you must take care of ESD precautions like being in your ESD–
area and connecting your arm wrist.
Push the unlock–button and move the batterycover
in direction to the System Connector. Pull the A–Cover and B–Cover apart to open the unit.
Remove thesix screws with screwdriver Torx T6 in
the shownorder. When assembling the reverse
order has to be taken with a torque of 17Ncm.
Before removing the UI module LU9 this clip has
to be released with a screwdriver or tweezers.
Now theUI modulecan be removed. Pleasetake care
not to damage the board to board connector
afterwards which is located on the CMT module.
Lift up the CMT module LA5 carefully. Sometimesit
happens that the battery connector gets stuck at the
SIM CardCover. Take care not to bend the spring
contacts of thebattery connector.

NPM–9
Disassembly Instructions PAMS Technical Documentation
Page 4 Issue 1 02/2002
Nokia Corporation
If you needto change the speakeryou shouldn tgrab
it at the spring connectors. Take tweezers and lift
the speaker as shown in the picture.
Turn around the B–Cover. If the System Connectoris
jammed, press with tweezersbetween cover and
connector.
The System Connector contains Vibra Motor and
Microphone, which can be easily pushed out of the
System Connector.
Grab the Keymatand removeit. It is always good to
protect the windowalso from the inner side.
If you needto remove or changethe SIM CardCover
you first have to release it. The second step is to push one hinge to the middle
to lift up the Card Cover.
New screws have a special locking compound on
the thread. Never take used screws a second time!
When assembling the phone, screws must be
tightend with atorque of17 Ncm !
The final GoNoGo test verifies that the electrical
specifications will be fulfilled.