Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Mobile Phone 2270-2272-2275-2285 8-anttrouble

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                  CCS Technical Documentation
                   RH-3 Series Transceivers




       Troubleshooting -- Antenna




Issue 1 06/2003    Confidential             Nokia Corporation
RH-3
Troubleshooting -- Antenna                       CCS Technical Documentation




Page 2              Nokia Corporation   Confidential           Issue 1 06/2003
                                                                                                       RH-3
CCS Technical Documentation                                                         Troubleshooting -- Antenna

Contents
                                                                                                                         Page No
  Troubleshooting - Antenna ............................................................................................ 5
   Whip Antenna ..............................................................................................................5
     Visual Quality Requirements .................................................................................... 5
   PIFA Antenna ..............................................................................................................6
     Visual Quality Requirements .................................................................................... 6
  Failures and Corrective Measures.................................................................................. 8
   Appearance of Phone ...................................................................................................8
     Antenna Position into D-cover.................................................................................. 8
   Internal Antenna ..........................................................................................................9
     Damaged RF Feed or Ground Pins ........................................................................... 9
     Wrong Internal Antenna Installed ........................................................................... 10
     Obstructed RF Feed and/or Ground Pads for the Main and GPS Antennas ........... 11
     Broken or Missing Bottom Antenna Clip ............................................................... 12
     Obstructed Whip Stopper ........................................................................................ 12
     Grounding of Display Frame................................................................................... 13
     Misinstalled Whip ................................................................................................... 14
     Damaged Whips ...................................................................................................... 15
     Detuning Circuit for Bottom Antenna Clip............................................................. 15
  Testing CDMA Antenna .............................................................................................. 15
     Calibration Factors .................................................................................................. 15
     Calibration Factor for Cell800 frequency ............................................................... 15
     Measurement Procedure for Cell800/PCS1900 phones .......................................... 15
  Testing GPS Antenna................................................................................................... 16
     Calibration Factor for GPS...................................................................................... 16
     Measurement Procedure for GPS Antenna ............................................................. 16




Issue 1 06/2003                   Nokia Corporation                  Confidential                                      Page 3
RH-3
Troubleshooting -- Antenna                       CCS Technical Documentation




Page 4              Nokia Corporation   Confidential           Issue 1 06/2003
                                                                                    RH-3
CCS Technical Documentation                                      Troubleshooting -- Antenna


Troubleshooting - Antenna
       This troubleshooting guide addresses potential failures that will affect antenna perfor-
       mance of the RH-3/RH-3P phone, and discusses methods for correction of these failures.

Whip Antenna

Visual Quality Requirements
       Following are the minimum acceptable visual quality standards of the RH-3/RH-3P whip
       assembly. This information may be used as an inspection guideline.

          

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