Nokia NPM–9 Series Installation instructions

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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.