Nokia NHM-7 series Installation instructions

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
1
2
3
Remove Battery cover.
Remove Battery.
1
2
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.
1
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.
1.
3.
2.
4.
5.
6.

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.
1.
3.
2.
4.
5.

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.
1
4
55. Pull SIM cover out of B cover.
3
2