Nokia NHL-2NA Series Installation instructions

CCS Technical Documentation
NHL-2NA Series Transceivers
Issue 1 07/02 ãNokia Corporation
Disassembly Instructions

NHL-2NA
Disassembly Instructions CCS Technical Documentation
Page 2 ãNokia Corporation Issue 1 07/02
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CCS Technical Documentation NHL-2NA
Issue 1 07/02 ãNokia Corporation Page 1
Table of contents Page No
Disassembly jig opened ...............................................................................................1
Phone with grip opened onto disassembly jig .............................................................2
Push transceiver module to separate module from grip ...............................................3
Protective tape disassembly from grip .........................................................................3
Flex connector disassembly from grip .........................................................................4
Detaching A-cover from transceiver ...........................................................................8
Transceiver keymat from transceiver ........................................................................10
UI-module B&B connector ........................................................................................11
UI-module from chassis assembly .............................................................................12
SIM connector from acoustic chamber ......................................................................13
Camera module from acoustic chamber ....................................................................14
Dismantling main PWB from chassis assembly ........................................................16
Main PWB from chassis assembly ..............................................................................1
Proximity sensor from chassis assembly: ....................................................................2
Proximity sensor from chassis assembly: ....................................................................3
Power key from chassis assembly: ..............................................................................4
Dismantling keymat cover assembly from grip: ..........................................................5
Dismantling of keymat cover .......................................................................................6
Dismantling of Battery connector from PWB .............................................................7
Take Grip from pallet to hand .....................................................................................8
DC-jack released from grip sequencies .......................................................................9
Grip module positioning springs ...............................................................................11
Things to remember when assembling ......................................................................12
Plastic SRT-6 opening tool (for all disassembly sequences) .....................................13

NHL-2NA CCS Technical Documentation
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CCS Technical Documentation NHL-2NA
Issue 1 07/02 ãNokia Corporation Page 1
Disassembly jig opened
Install phone onto disassembly jig with grip opened.
NOTE: Remember to wear gloves or finger covers when working!!

NHL-2NA CCS Technical Documentation
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Phone with grip opened onto disassembly jig
1 Place the phone onto lower tool cavity upside down.
2 Install upper part on the lower part so that the nails are in the phone tracks.
3 And in the same time put the upper part guides to the lower part grooves.
4 Push the upper part till end of the grooves (opening direction).
5 Pull with your thumb from battery cavity to completely disassemble phone.
6 Push the upper part back to the starting point.
7 Remove the upper part.

CCS Technical Documentation NHL-2NA
Issue 1 07/02 ãNokia Corporation Page 3
Push transceiver module to separate module from grip
Be careful when sliding transceiver away from grip module, preventing damage to flex
assembly.
Attention:
Be very careful not to
break the flex!
Solder joints to main
PWB.
Protective tape disassembly from grip
1 Take with tweezers protective tape from one corner and drag the tape away.
2 At the same time do hold the connector at its place with other hand, preventing-
connector to be damaged.

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Flex connector disassembly from grip
1 Take away battery cover.
2 Dismantle battery from transceiver.
3 Take the plastic SRT-6 opening tool.
4 Put one corner under the longer side of connector.
5 Gently rotate the plastic plate first from one side of connector then the other
side.
6 Connector will be released from grip.
7 Put Grip module to place where dust cannot reach the module.

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Issue 1 07/02 ãNokia Corporation Page 5

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Transceiver module onto jig upside down, removing screws from A-cover and Acous-
tic chamber.
1 Take B-cover away from transceiver in hand.
2 Put transceiver onto table.
3 Remove screws RF 1,8x8,0 T6+ No. 5,6
4 Remove screws RF 1.8x6.0 T6+ No. 1,2,3,4
Note: Arrange screws so that you can remember where to place them when assembling.
5 Remove Acoustic Chamber from transceiver put it to a place where dust cannot
reach camera cavity.
Lift from sides!
2
6
5
1
4
3

CCS Technical Documentation NHL-2NA
Issue 1 07/02 ãNokia Corporation Page 7
Note for assembly! Screws must be tightenend as illustrated in the picture above, cor-
rect tightening sequence is 1,2,3,4,5,6.
1.Screws RFF 1.8x6.0 T6+ to acoustic chamber (2 pcs).
2.Screws RFF 1.8x6.0 T6+ to chassis assembly (2 pcs, bottom corners).
3.Screws RF 1.8x8.0 T6+ to acoustic chamber (2 pcs, top corners).
Note! If only acoustic chamber is removed and replaced, tightening sequence is then
1,2,5,6.

NHL-2NA CCS Technical Documentation
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Detaching A-cover from transceiver
1 Take the plastic SRT-6 opening tool put it between the A-cover and chassis
assembly from side 1 gently turning the blade.
2 Turning the transceiver upside, separate the A-cover from transceiver in hand.
3 Put transceiver onto jig, attention not to drop UI-module UI-module faces
upwards.
Figure 1: Detaching sequence 1
Side 1

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Issue 1 07/02 ãNokia Corporation Page 9
Figure 2: Detaching sequence 2
Figure 3: Detaching sequence 3

NHL-2NA CCS Technical Documentation
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Transceiver keymat from transceiver
1 Take away transceiver keymat.
2 Check that inner plastic part (white) of rocker will remain on keymat.
UI-Module

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Issue 1 07/02 ãNokia Corporation Page 11
UI-module B&B connector
1 Use plastic SRT-6 opening tool.
2 Put plastic SRT-6 opening tool under longer side of UI-module connector..
3 Gently separate B&B connector form UI-module by turning the tool

NHL-2NA CCS Technical Documentation
Page 12 ãNokia Corporation Issue 1 07/02
UI-module from chassis assembly
1 Lift off the UI-module by hand from chassis assembly.
2 Place the UI-module (facing upwards) to a place where dust cannot reach UI-
module.

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Issue 1 07/02 ãNokia Corporation Page 13
SIM connector from acoustic chamber
1 Take acoustic chamber to hand.
2 Disconnect the sim connector with tweezers from front side.
3 Withdraw the sim connector from acoustic chamber.
Note! Sim connector can be loose in its cavity when assembled!
4 Be careful not to bend springs
Sim connector
springs Withdrawal from
this side

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Camera module from acoustic chamber
1 Put plastic SRT-6 opening tool under the camera PWB
2 With plastic SRT-6 opening tool gently pry out the camera from its housing by
turning tool (as in picture)
3 Be careful not to pop out the camera from its cavity.

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Issue 1 07/02 ãNokia Corporation Page 15
4 Put camera to place where dust cannot access camera module.
5 If gasket is damaged replace acoustic chamber.
6 If guiding pin in acoustic chamber (for camera) is broken replace acoustic cham-
ber.
7 Acoustic chamber shall be put to place where dust cannot reach camera cavity.

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Dismantling main PWB from chassis assembly
1 Remove screws RF 1.6x4.4 T5+ 1,2,3,4
Note: Do not scratch PWB with screwdriving tool.
Note: Assembly sequence for screws is as numbered. 1,2,3,4. Only one step:
1. Screws RFF 1.6x4.4 T5+ to Main PWB (4pcs).
1
2
3
4