Nokia 2300 Service Manual 05 rm4 disassy

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Customer Care Solutions
Technical Documentation

Disassembly Instructions

ISSUE 1 02/2004 COMPANY CONFIDENTIAL 1
Copyright © 2003 Nokia. All Rights Reserved.
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RM-4/RM-5
CCS Technical Documentation Disassembly Instructions
2 COMPANY CONFIDENTIAL ISSUE 1 02/2004
Copyright © 2003 Nokia. All Rights Reserved.
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RM-4/RM-5 Disassembly Instructions CCS Technical Documentation
Table of Contents
Page No
Disassembly Instructions ...............................................................................................5
Domesheet Exchange Instructions ................................................................................8
ISSUE 1 02/2004 COMPANY CONFIDENTIAL 3
Copyright © 2003 Nokia. All Rights Reserved.
Page 4
RM-4/RM-5
CCS Technical Documentation Disassembly Instructions
4 COMPANY CONFIDENTIAL ISSUE 1 02/2004
Copyright © 2003 Nokia. All Rights Reserved.
Page 5
RM-4/RM-5 Disassembly Instructions CCS Technical Documentation

Disassembly Instructions

(also see the video clips on care point)
If not already done, protect the display window with a film to avoid dust and scratches.
Open A-Cover from the bottom side on. Now, the Keymat can be taken away easily.
Press the Release Button before removing the Battery Cover.
Unscrew the six Torx Plus
assembly, the reverse order and a Torx Plus driver with a torque of 21Ncm have to be used.
ISSUE 1 02/2004 COMPANY CONFIDENTIAL 5
®
size 6 screws. For
Copyright © 2003 Nokia. All Rights Reserved.
Take the LCD Assy from the Engine Module.
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RM-4/RM-5
CCS Technical Documentation Disassembly Instructions
Unlock the LCD snaps of the LCD Light guide on the bottom side.
Use tweezers when removing the Speaker. Take the Engine Module fro m the D-Cover.
Unlock the LCD snaps of the LCD Light guide on the top side.
Lever out the Shielding. If the System Connector is tight in the D-Cover,
SRT-6 should be used to loosen it.
6 COMPANY CONFIDENTIAL ISSUE 1 02/2004
Copyright © 2003 Nokia. All Rights Reserved.
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RM-4/RM-5 Disassembly Instructions CCS Technical Documentation
Note that the Microphone fits very tight in its guidance. Carefully push out the Microphone from the System Connector. Moderate force is required for this action.
Lever out the Vibra Motor with tweezers.
ISSUE 1 02/2004 COMPANY CONFIDENTIAL 7
Copyright © 2003 Nokia. All Rights Reserved.
Page 8
RM-4/RM-5
CCS Technical Documentation Disassembly Instructions

Domesheet Exchange Instructions

Use SRT-6 to loosen one corner of the Dome Sheet.
Take a new Dome Sheet from the carrier film. Do not touch the keydomes from the adhesive side.
Tear off the Dome Sheet in diagonal direction to avoid remains of glue. Check pads for cleaness.
Use the guiding pin (red circle) and the C­Cover’s edges, as well as the two little assembly flags of the Dome Sheet as reference points.
Carefully place the Engine Module from topside on. Note the guiding pin.
8 COMPANY CONFIDENTIAL ISSUE 1 02/2004
Copyright © 2003 Nokia. All Rights Reserved.
Before sinking the Engine Module, make sure that it is also close to the same side of the shielding.
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RM-4/RM-5 Disassembly Instructions CCS Technical Documentation
Place the Engine Module into the D-Cover. Carefully press on the Dome sheet to the Engine Module to avoid bubbles.
Finally, check if the holes of the Dome Sheet match exactly the ones in the Engine Module. Otherwise, change the Dome Sheet again! Check the Keyboard functionality.
ISSUE 1 02/2004 COMPANY CONFIDENTIAL 9
Copyright © 2003 Nokia. All Rights Reserved.
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RM-4/RM-5
CCS Technical Documentation Disassembly Instructions
10 COMPANY CONFIDENTIAL ISSUE 1 02/2004
Copyright © 2003 Nokia. All Rights Reserved.
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