Nokia NHM-7 series Instrucciones de instalación

PAMS Technical Documentation

NHM–7 Series Transceivers

Issue 1 10/2001 Nokia Corporation

Disassembly Instructions

NHM–7

Disassembly Instructions PAMS Technical Documentation

Page 2 Issue 1 10/2001

Nokia Corporation

CONTENTS

Disassembly of NHM–7 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NHM–7

Disassembly Instructions

PAMS Technical Documentation

Page 3

Issue 1 10/2001 Nokia Corporation

Disassembly of NHM–7

Remove Battery cover.

Remove Battery.

In assembly note!

NHM–7

Disassembly Instructions PAMS Technical Documentation

Page 4 Issue 1 10/2001

Nokia Corporation

Remove A–cover.

Remove Keypad

(only if it is necessary to re-

place keypad).

In assembly place A–cover

pins (4 pieces) in respective

holes in the keypad.

NHM–7

Disassembly Instructions

PAMS Technical Documentation

Page 5

Issue 1 10/2001 Nokia Corporation

Remove the 6 screws.

Drive size is torx plus 6.

Tightening torque is 17 Ncm.

Fastening order in the picture, reverse

in disassembly.

In assembly check that PCB is not bent.

Note! Screws contain thread lock-

ing compound. Used screws must

be scrapped and not used again.

Remove UI module.

1. Use plastic tweezers or similar

tool to gently press the UI module

locking snap.

Note locking snaps when assem-

bling UI.

2. Carefully lift up the UI module.

2UI handling precautions!

Do not damage the following

items when handling the UI

module:

1. Speaker spring contacts.

2. LCD driver.

3. LCD contact pads.

4. UI PWB contact pads.

5. UI frame metal coating.

NHM–7

Disassembly Instructions PAMS Technical Documentation

Page 6 Issue 1 10/2001

Nokia Corporation

Remove speaker

(only if it is necessary to replace

speaker).

Speaker can be lifted up using

straight–bladed screwdriver as

shown in the picture.

Note! Do not touch speaker

springs or membrane.

UI handling precautions!

1. Speaker spring contacts.

2. LCD driver.

3. LCD contact pads.

4. UI PWB contact pads.

5. UI frame metal coating.

NHM–7

Disassembly Instructions

PAMS Technical Documentation

Page 7

Issue 1 10/2001 Nokia Corporation

Remove System connector

Note! Do not damage the spring

contacts in the System connector.

Remove System Module

System Module handling pre-

cautions!

Do not touch the following

spring contacts when handling

the module:

1. LCD connector.

2. Board to board connector.

1. 2.

NHM–7

Disassembly Instructions PAMS Technical Documentation

Page 8 Issue 1 10/2001

Nokia Corporation

Remove SIM cover

(only if it is necessary to replace SIM

cover).

3. Turn the SIM cover to upright

position.

4. Squeeze the SIM cover slightly

from the side to release the side

fixings one at the time.

1. Slightly lift the front edge of the

SIM cover to unlocked position

2. and slide it backwards.

55. Pull SIM cover out of B cover.

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