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Nokia Customer Care
RH-21 Series Transceivers
Disassembly/Assembly
Issue 2 07/2004 2004 Nokia Corporation. Page 1
Company Confidential
RH-21 Company Confidential
Disassembly/Assembly Nokia Customer Care
Page 2 2004 Nokia Corporation. Issue 2 07/2004
Company Confidential RH-21
Nokia Customer Care Disassembly/Assembly
Contents
Page No
ESD Protection ............................................................................................................5
Step-by-Step Disassembly Guide................................................................................... 5
Remove B-cover ..........................................................................................................5
Remove RF Plug ..........................................................................................................6
Remove A-cover ..........................................................................................................6
Remove screws ............................................................................................................6
Remove lightguide assembly .......................................................................................7
Remove metal frame and earpiece ...............................................................................7
Remove PWB assembly ..............................................................................................8
Remove shielding lids ..................................................................................................9
Remove components from D-cover assembly .............................................................9
SALT speaker.......................................................................................................... 10
Step-by-Step Assembly Guide ..................................................................................... 11
Mount components in D-cover ..................................................................................11
Mount shielding lids on PWB ...................................................................................12
Mount PWB on D-cover ............................................................................................12
Mount earpiece and metal frame ...............................................................................12
Mount domesheet .......................................................................................................13
Mount display assembly on D-cover .........................................................................13
Mount screws .............................................................................................................14
Mount keymat and A-cover assembly .......................................................................14
Insert RF Plug ............................................................................................................15
Place battery ...............................................................................................................16
Mount B-cover assembly ...........................................................................................16
Issue 2 07/2004 2004 Nokia Corporation. Page 3
RH-21 Company Confidential
Disassembly/Assembly Nokia Customer Care
Page 4 2004 Nokia Corporation. Issue 2 07/2004
Company Confidential RH-21
Nokia Customer Care Disassembly/Assembly
ESD Protection
Step-by-Step Disassembly Guide
The following diagrams may be helpful in explaining the correct sequence and technique
for disassembly of the RH-21 handsets.
Remove B-cover
1 Turn phone off
2 Remove the B-cover by pushing the button (indicated by arrow)
3 Lift the B-cover up as shown by the arrows.
Issue 2 07/2004 2004 Nokia Corporation. Page 5
RH-21 Company Confidential
Disassembly/Assembly Nokia Customer Care
Remove RF Plug
Remove the RF Plug from RF connector opening in the antenna.
Remove A-cover
Place thumb under the edge of the A-cover and fingers on top of the A-cover, then pull
gently until it snaps. Once lifted, ensure that the keymat does not fall out of the A-cover.
Remove screws
Unscrew the six screws as indicated.
4
3 1
2 5
6
Page 6 2004 Nokia Corporation. Issue 2 07/2004
Company Confidential RH-21
Nokia Customer Care Disassembly/Assembly
Remove lightguide assembly
Follow the steps indicated in the following diagram:
Remove metal frame and earpiece
Follow the numbered steps in the following diagram.
Note: Use screwdriver size 2.50