Nokia 7650 Service Manual 10 nhl2 disass
NHL-2NA Series Transceivers
Disassembly Instructions
Issue 2 11/02 ¤Nokia Corporation
Disassembly Instructions CCS Technical Documentation
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Page 2 ¤Nokia Corporation Issue 2 11/02
CCS Technical Documentation
Disassembly jig opened ...............................................................................................5
Phone with grip opened onto disassembly jig .............................................................6
Push transceiver module to separate module from grip ...............................................7
Protective tape disassembly from grip .........................................................................7
Flex connector disassembly from grip .........................................................................8
Detaching A-cover from transceiver .........................................................................12
Transceiver keymat from transceiver ........................................................................14
UI-module B&B connector ........................................................................................15
UI-module from chassis assembly .............................................................................16
SIM connector from acoustic chamber ......................................................................17
Camera module from acoustic chamber ....................................................................18
Dismantling main PWB from chassis assembly ........................................................20
Main PWB from chassis assembly ............................................................................21
Proximity sensor from chassis assembly: ..................................................................22
Proximity sensor from chassis assembly: ..................................................................23
Power key from chassis assembly: ............................................................................24
Dismantling keymat cover assembly from grip: ........................................................25
Dismantling of keymat cover .....................................................................................26
Dismantling of Battery connector from PWB ...........................................................27
Take Grip from pallet to hand ...................................................................................28
DC-jack released from grip sequencies .....................................................................29
Grip module positioning springs ...............................................................................31
Things to remember when assembling ......................................................................32
Plastic SRT-6 opening tool (for all disassembly sequences) .....................................33
Page No
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CCS Technical Documentation
Page 4 ¤Nokia Corporation Issue 2 11/02
CCS Technical Documentation
Disassembly jig opened
Install phone onto disassembly jig with grip opened.
NOTE: Remember to wear gloves or finger covers when working!!
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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
Page 2 ¤Nokia Corporation Issue 2 11/02
CCS Technical Documentation
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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CCS Technical Documentation
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 2 11/02 ¤Nokia Corporation Page 5
CCS Technical Documentation
Transceiver module onto jig upside down, removing screws from A-cover and Acoustic 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!
5
4
1
6
2
3
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CCS Technical Documentation
Note for assembly! Screws must be tightenend as illustrated in the picture above, correct 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.
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