Nokia NPM-10 Series Quick start guide

CCS Technical Documentation
NPM-10 Series Transceivers
Issue 1 03/2003 Confidential Nokia Corporation
Disassembly/Assembly

NPM-10
Disassembly/Assembly CCS Technical Documentation
Page 2 Nokia Corporation Confidential Issue 1 03/2003

CCS Technical Documentation Disassembly/Assembly
NPM-10
Issue 1 03/2003 Nokia Corporation Confidential Page 3
Contents Page No
Disassemble the NPM-10 Transceiver........................................................................... 5
Preparation for Disassembly ........................................................................................5
Disassembly Tools .................................................................................................... 5
ESD Protection.......................................................................................................... 5
Assembly .....................................................................................................................5
1. Remove B-cover ......................................................................................................6
2. Remove Battery .......................................................................................................6
3. Remove SIM card ....................................................................................................6
4. Remove A-cover ......................................................................................................7
5. Remove screws (Torx #6) ........................................................................................8
6. Remove Lightguide Assembly ................................................................................8
6.1 Remove Metal frame and Earpiece..................................................................... 9
7. Remove the PWB Assembly .................................................................................10
7.1 Remove shielding lids....................................................................................... 10
8. Remove components from D-cover Assembly ......................................................11

NPM-10
Disassembly/Assembly CCS Technical Documentation
Page 4 Nokia Corporation Confidential Issue 1 03/2003

CCS Technical Documentation Disassembly/Assembly
NPM-10
Issue 1 03/2003 Nokia Corporation Confidential Page 5
Disassemble the NPM-10 Transceiver
Preparation for Disassembly
Disassembly Tools
Shown left to right: Torque-limiting screwdriver (torque set at 28N-cm), fiberglass sol-
dering aid, and T6 Torx+ driver.
ESD Protection
Some form of ESD protection should be used when handling the PWB and other elec-
tronic components. The photo above shows a wrist strap, which can be grounded to a
bench. This or some other form of ESD protection should be used when handling the
phone.
Assembly
Use the Disassembly Instructions, which follow, in the reverse order.

NPM-10
Disassembly/Assembly CCS Technical Documentation
Page 6 Nokia Corporation Confidential Issue 1 03/2003
1. Remove B-cover
1 Press and hold the release button.
2 With other hand, place thumb on logo badge and push B-cover towards the top
of the phone.
3 Once B-cover is pushed forward, lift it off to remove.
2. Remove Battery
Lift the battery out by lifting from the bottom of the battery compartment.
3. Remove SIM card
1 Press plastic spring down.
2 Place the thumb from the other hand on SIM card. Press and slide the SIM card
towards the top of the phone.

CCS Technical Documentation Disassembly/Assembly
NPM-10
Issue 1 03/2003 Nokia Corporation Confidential Page 7
4. Remove A-cover
Place thumb under the edge of the A-cover and fingers on top. Pull the A-cover gently
until a snaps deactivates.

NPM-10
Disassembly/Assembly CCS Technical Documentation
Page 8 Nokia Corporation Confidential Issue 1 03/2003
5. Remove screws (Torx #6)
6. Remove Lightguide Assembly
Use screwdriver size 2.50 – 3.50 mm
Between PWB&Bottom connector. Be careful not to
damage the Bottom connector.
3
1
2
PWB
Bottom
connector

CCS Technical Documentation Disassembly/Assembly
NPM-10
Issue 1 03/2003 Nokia Corporation Confidential Page 9
6.1 Remove Metal frame and Earpiece
Use screwdriver size 2.50 – 3.50 mm.
1 Turn screwdriver at snaps, only on one side (#1a and 1b above).
2 When removing the metal frame, be careful not to damage the four springs in
the corners (#2 above).
3 Remove the Earpiece (#3 above).
1a
1
b
2
3

NPM-10
Disassembly/Assembly CCS Technical Documentation
Page 10 Nokia Corporation Confidential Issue 1 03/2003
7. Remove the PWB Assembly
Remove PWB assembly.
Place PWB on ESD table with LED upwards.
7.1 Remove shielding lids
Remove shielding lids, as shown above. Do not re-use shielding lids once removed.
LED

CCS Technical Documentation Disassembly/Assembly
NPM-10
Issue 1 03/2003 Nokia Corporation Confidential Page 11
When working with PWB, always use repair jig (shown below).
8. Remove components from D-cover Assembly
The following components are removable:
1Powerkey
2 Battery connector
3 Vibra assembly
4 Bottom connector

NPM-10
Disassembly/Assembly CCS Technical Documentation
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5MALTspeaker
Use screwdriver size 2.50 – 3.50 mm.
Remove MALT speaker by turning the screwdriver as shown here.