Nokia 3510 Service Manual 8 nhm 8nx disass
PAMS Technical Documentation
NHM-8NX Series Transceivers
Assembly & Disassembly
Instructions
Issue 1 05/02 ãNokia Corporation
NHM-8NX
Assembly & Disassembly Instructions PAMS Technical Documentation
Table of Contents
Page No
Disassembling the NHM-8NX Transceiver................................................................... 3
Preparation for Disassembly ........................................................................................3
Disassembly Tools .................................................................................................... 3
ESD Protection.......................................................................................................... 3
1. Remove B-cover ......................................................................................................4
2. Remove Battery .......................................................................................................4
3. Remove SIM Card ...................................................................................................5
4. Remove A-cover ......................................................................................................5
5. Remove screws (Torx #6) ........................................................................................6
6. Remove Lightguide Assembly ................................................................................6
6.1 Remove Metal frame & Earpiece........................................................................ 7
7. Remove PWB Assembly .........................................................................................8
7.1 Remove Shielding Lids ....................................................................................... 8
8. Remove components from D-cover Assembly ........................................................9
8.1 Remove SALT Speaker..................................................................................... 10
8.2 Remove SIM Support........................................................................................ 10
8.3 Remove Release spring ..................................................................................... 11
Assembling the NHM-8NX Transceiver ..................................................................... 12
Exploded NHM-8NX Assembly ................................................................................12
1. Mount components in D-cover ..............................................................................13
1.1 Mount Release Spring ....................................................................................... 14
1.2 Mount new shielding lids on PWB ................................................................... 14
2. Mount PWB on D-cover ........................................................................................15
3. Mount Earpiece and Metal frame ..........................................................................15
4. Mount Domesheet ..................................................................................................16
5. Mount Display Assembly on D-cover ...................................................................16
6. Mount screws (Torx #6) ........................................................................................17
7. Mount Keymat and A-cover Assembly .................................................................17
8. Mount SIM Card ....................................................................................................18
9. Mount Battery ........................................................................................................18
10. Mount B-cover Assembly ....................................................................................19
Page 2 ãNokia Corporation Issue 1 05/02
NHM-8NX
PAMS Technical Documentation Assembly & Disassembly Instructions
Disassembling the NHM-8NX Transceiver
Preparation for Disassembly
Disassembly Tools
Shown left to right: Torque-limiting screwdriver (torque set at 22N-cm), fiberglass soldering aid, and T6 Torx+ driver.
ESD Protection
Some form of ESD protection should be used when handling the PWB and other electronic 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.
Issue 1 05/02 ãNokia Corporation Page 3
NHM-8NX
Assembly & Disassembly Instructions PAMS Technical Documentation
1. Remove B-cover
2
1
3
1 Press and hold release button.
2 With other hand place thumb on logo badge and push B-cover in the direction of
arrow 2.
3 Once B-cover is pushed forward lift off to remove.
2. Remove Battery
Grab with fingertip and nail and pull.
Page 4 ãNokia Corporation Issue 1 05/02
NHM-8NX
PAMS Technical Documentation Assembly & Disassembly Instructions
3. Remove SIM Card
1
2
1 Press plastic spring down
2 Place thumb from the other hand on SIM Card. Press and slide the SIM Card in
the direction of arrow 2.
4. Remove A-cover
Place thumb under the edge of the A-cover and fingers on top and pull gently until snaps
deactivates.
Be careful that the keymat does not fall out
Issue 1 05/02 ãNokia Corporation Page 5
NHM-8NX
Assembly & Disassembly Instructions PAMS Technical Documentation
5. Remove screws (Torx #6)
6. Remove Lightguide Assembly
2
Use screwdriver size 2.50 - 3.50 mm.
PWB
1
3
Between PWB and Bottom connector. Be
careful not to damage the bottom
connector.
Page 6 ãNokia Corporation Issue 1 05/02
Bottom Connector
Loading...