Nokia 7250, 7250i Service Manual 05 nhl4jx disassembly

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Customer Care Solutions
NHL-4J/NHL-4JX Series Transceivers
Disassembly Instructions
Issue 2 06/03 Nokia Corporation.
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NHL-4J/NHL-4JX Company confidential
Disassembly Instructions CCS Technical Documentation
Table of Contents
Disassembly Procedure (see also video clips) ............................................................... 3
Assembly Instructions for Camera Module ................................................................... 6
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Company confidential NHL-4J/
CCS Technical Documentation Disassembly Instructions

Disassembly Instructions (see also video clips)

Push the Release Button to the left before pulling up the B-Cover.
Unscrew the six TORX PLUS® size 6 screws, using the order shown. For assembly, the reverse order and a torque of
22Ncm have to be used.
Unlock the top guidance to remove the A-Cover.
Take the modules from C-Cover and unplug the display connector by pulling the modules apart carefully.
The Speaker is attached with double-sided adhesive Foam Tape. Always use a new tape when mounting the Speaker.
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Do not damage the spring contacts, when removing the Microphone.
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NHL-4J/NHL-4JX Company confidential
Disassembly Instructions CCS Technical Documentation
Open the snaps with SRT-6 on both sides of the Display Shield.
Take a clean cloth and press the LCD from the LCD Frame. Bend the frame a bit, shift the UI Module to the right and
The Display Shield is attached with hooks at its bottom side.
then pull it up.
Remove UI-Module. To remove the DC Jack, place tweezers between the spring
contacts and under the jack. You’ll need to use additional force to pull the jack upwards
Remove the Vibra Motor with the rubber and pull it from its guidance.
Volume Key and the Infrared Window can be easily removed.
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Company confidential NHL-4J/
CCS Technical Documentation Disassembly Instructions
The Power Key has to be unlocked on the lower side first. Unlock Antenna on both sides with SRT-6.
Antenna Pogo Pins can be removed by pushing with Torx driver through the C-Cover.
Remove Connector Shield when cleaning contacts or changing Camera Module.
If there is a need to change the Release Button, also SRT-6 can be used.
Camera Module is attached with four snaps into its guidance. Place SRT-10 as shown in the picture and unlock the snaps on both sides. Note releasing order.
Remove Camera Module carefully. Take care that Camera marking shows to right side when assembling.
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Do not touch contacts and camera lens. Use always SRT-10 for assembly and disassembly.
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NHL-4J/NHL-4JX Company confidential
Disassembly Instructions CCS Technical Documentation

Assembly Instructions for Camera Module

Shift the SRT-10 into the camera groove. Take the Camera Module carefully and note the marking.
Place Camera Module into its guidance. It is very important to take correct position of the Camera Module to avoid destruction of this device.
Put the Connector Shield on the camera guidance and press it down.
Use SRT-10 to lock Camera Module into its guidance. Note locking order.
Check, that Camera Module is clean. When it is necessary to clean the Camera lens, use compressed air for this procedure only.
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