Nokia NPL-3 Series User manual

Customer Care Solutions
NPL-3 Series Transceivers
Issue 1 3/03 ãNokia Corporation.
NPL-3 Disassembly and Assembly
Instructions

NPL-3 Company confidential
NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
Page 2 ãNokia Corporation. Issue 1 3/03
Table of Contents
Page No
Disassembling NPL-3 .................................................................................................... 3
Assembling NPL-3....................................................................................................... 10

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 3
Disassembling NPL-3
NOTE! Before you start
- Ensure that you are connected to the ESD wristband
NOTE! While disassembling/assembling the phone
- Use only the specified tools
- Be careful when handling sensitive components
- Avoid touching sensitive spring contacts connectors
- Protect the LCD with a foil whenever possible
1. Place the phone face down, press the Release Key and slide the battery cover downwards.
2. Flip gently the A-cover from down corner. Remove the A-cover.

NPL-3 Company confidential
NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
Page 4 ãNokia Corporation. Issue 1 3/03
3. Remove the Keymat.
4. Spread the B-cover from both sides until snaps inside will release it.
5. Remove the B-cover.

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 5
6. Remove the antenna
NOTE! Use only a specified opening tool, and be careful not to damage the mechanical parts.
Do not touch the antenna plate inside without gloves.
7. Remove the screws (6pcs) to get the module out from C-cover.
8. Remove the module out from the C-cover.
Note! Always use the specified tools.

NPL-3 Company confidential
NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
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9. Remove the UI module from the engine board.
NOTE! The UI module and the engine board are linked together by two board-to-board connec-
tors. Be careful not to damage them.
10. Remove the microphone by pressing it from its edge, or take the tweezers between the frame
and microphone and lift it out from the frame.

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 7
11. Remove the speaker by lifting it from the guiding pin.
NOTE! The speaker is attached into the frame by adhesive tape. Therefore, it may not loose easily.
12. To remove the Display shield, open the snaps from both sides by using the specified tool and
remove the shield.
NOTE! Be careful not to damage the shield.
13. To remove the LCD Module, keep it on a table by using soft cloth, and flip the LCD frame gen-
tly until the LCD Module detaches.
NOTE! Be careful not to damage the sensitive parts. Do not press the LCD module.

NPL-3 Company confidential
NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
Page 8 ãNokia Corporation. Issue 1 3/03
14. Remove the UI Board from the LCD frame.
NOTE! The UI Board is attached into the frame by adhesive tape. Therefore, it may not loose eas-
ily. Be careful not to damage the LCD Frame.
15. Remove the Volume Key and the Power Key.
16. Remove the Vibra by lifting it out of its place.

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 9
17. Remove the DC Jack by lifting it out of its place
NOTE! Be careful not to damage the C-cover.
18. Lift the Release Spring by tweezers from its place
19. Remove the Release Key by pressing the snaps towards the center from inside.
DISASSEMBLING COMPLETED!

NPL-3 Company confidential
NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
Page 10 ãNokia Corporation. Issue 1 3/03
Assembling NPL-3
Reassembly takes place in reversed order compared with disassembly.
1. Press the Release Key downright into its place.
2. Put the Release Spring into its place.
3. Put the DC Jack into its place.

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 11
4. Put the Vibra into its place.
NOTE! Avoid touching the spring contacts.
5. Put the Volume Key into its place.
6. Put the Power Key into its place.

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NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
Page 12 ãNokia Corporation. Issue 1 3/03
7. Put the Antenna into its place
NOTE! Do not touch the inside of the Antenna plate.
8. Put the UI Board into its place.
9. Place the LCD to the UI Frame.
NOTE! Do not press the LCD as it may damage.

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 13
10. Fit the Display Shield in its place.
Make sure the shield is properly locked on both sides to the frame.
11. Put the Speaker into the frame so that the guiding pin goes into its place.
12. Put the Microphone into the frame.
NOTE! Do not touch the spring contacts.

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NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
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13. Place the UI Module and the engine together by closing the Display connector.
14. Put the unit into the C-cover.
15. Tighten the six screws by using following order.
NOTE! Set 20Ncm/650rpm to your Torque driver before tightening.
1.
2.
3.
4.
5.
6.

CCS Technical Documentation NPL-3 Disassembly and Assembly Instruc-
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 15
16. Place the B-cover into its place. Make sure the snaps on both sides are locked to the module.
17. Place the Keymat into its place.
18. Place the A-cover into its place.

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NPL-3 Disassembly and Assembly Instructions CCS Technical Documentation
Page 16 ãNokia Corporation. Issue 1 3/03
19. Slide the Battery cover into its place until the Release Key locks it.
ASSEMBLING COMPLETED!