Nokia RH-21 Series Disassembly/Assembly

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CCS Technical Documentation
RH-21 Series Transceivers
Disassembly/Assembly
 Nokia Corporation
Issue 1 05/2003 Confidential

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  Summary of Contents for Nokia RH-21 Series

  • Page 1 CCS Technical Documentation RH-21 Series Transceivers Disassembly/Assembly  Nokia Corporation Issue 1 05/2003 Confidential...
  • Page 2 RH-21 Disassembly/Assembly CCS Technical Documentation Nokia Corporation Confidential Page 2 Issue 1 05/2003...
  • Page 3: Table Of Contents

    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 Nokia Corporation Issue 1 05/2003 Confidential Page 3...
  • Page 4 RH-21 Disassembly/Assembly CCS Technical Documentation Nokia Corporation Confidential Page 4 Issue 1 05/2003...
  • Page 5: Esd Protection

    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. Nokia Corporation Issue 1 05/2003 Confidential Page 5...
  • Page 6: Remove Rf Plug

    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. Nokia Corporation Confidential Page 6 Issue 1 05/2003...
  • Page 7: Remove Lightguide Assembly

    Note: Use screwdriver size 2.50 – 3.50 mm. 1 Turn screwdriver at snaps only on one side 2 When removing the metal frame, be careful not to damage the four springs in the corners 3 Remove earpiece Nokia Corporation Issue 1 05/2003 Confidential Page 7...
  • Page 8: Remove Pwb Assembly

    RH-21 Disassembly/Assembly CCS Technical Documentation Remove PWB assembly Lift the PWB as indicated in the following drawing. Then, place the PWB on ESD table with LEDs on top. Nokia Corporation Confidential Page 8 Issue 1 05/2003...
  • Page 9: Remove Shielding Lids

    When working with the PWB, always use a repair jig. Remove components from D-cover assembly The following components are removable: 1 Power key 2 Battery connector 3 SALT speaker (see diagram) 4 Vibra 5 Bottom connector Nokia Corporation Issue 1 05/2003 Confidential Page 9...
  • Page 10: Salt Speaker

    RH-21 Disassembly/Assembly CCS Technical Documentation SALT speaker Nokia Corporation Confidential Page 10 Issue 1 05/2003...
  • Page 11: Step-By-Step Assembly Guide

    CCS Technical Documentation Disassembly/Assembly Step-by-Step Assembly Guide Mount components in D-cover 1 Power key 2 Battery connector 3 SALT speaker 4 Vibra 5 Bottom connector Note: Ensure that all components are placed correctly. Nokia Corporation Issue 1 05/2003 Confidential Page 11...
  • Page 12: Mount Shielding Lids On Pwb

    2 Place metal frame on lightguide — be careful about the springs in each of the four corners 3 Push the metal frame down (indicated with arrows in drawing below) until it snaps on Nokia Corporation Confidential Page 12 Issue 1 05/2003...
  • Page 13: Mount Domesheet

    When mounting the domesheet, use the two holes indicated as guide. Mount display assembly on D-cover 1 Place the display assembly in the D-cover 2 Push the display assembly down (indicated by arrows in the drawing below) until it snaps on Nokia Corporation Issue 1 05/2003 Confidential Page 13...
  • Page 14: Mount Screws

    Fasten the screws in the sequence indicated in the following diagram. Be sure to use a torx #6 screwdriver. Note: Max torque 28Ncm at 500-600RPM. Mount keymat and A-cover assembly 1 Place keymat 2 Push down the A-cover until it snaps on Nokia Corporation Confidential Page 14 Issue 1 05/2003...
  • Page 15: Insert Rf Plug

    RH-21 CCS Technical Documentation Disassembly/Assembly Insert RF Plug Insert RF Plug into RF connector opening in the antenna. Nokia Corporation Issue 1 05/2003 Confidential Page 15...
  • Page 16: Place Battery

    Slide battery under the hooks in the D-cover. Mount B-cover assembly 1 Place B-cover assembly on D-cover 2 Push the B-cover in the direction indicated by the arrow in drawing below until the B-cover snaps on Nokia Corporation Confidential Page 16 Issue 1 05/2003...