Nokia 2280 Service Manual 7 rh17anttrouble
CCS Technical Documentation
RH-17 Series Transceivers
Troubleshooting — Antennas
Issue 1 04/2003 Confidential Nokia Corporation
RH-17
Troubleshooting — Antennas CCS Technical Documentation
Page 2 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting — Antenn as
Contents
Page No
Troubleshooting - Antennas........................................................................................... 5
Appearance of the Phone .............................................................................................5
Failures and Corrective Measures ...............................................................................6
Missing Internal Antenna or Whip Antenna ............................................................. 6
Damaged RF Feed Pin or Ground Pin....................................................................... 6
Wrong Internal Antenna Installed............................................................................. 7
Obstructed RF Feed and Ground Pads for the Internal Antenna............................... 8
Broken or Missing Antenna Clip .............................................................................. 8
Obstructed Whip Stopper.......................................................................................... 9
Grounding of Display Frame..................................................................................... 9
Misinstalled Whip................................................................................................... 12
Damaged Whips...................................................................................................... 12
Detuning Circuit for Bottom Antenna Clip............................................................. 12
RF Connector Failure.............................................................................................. 13
Issue 1 04/2003 Nokia Corporation Confidential Page 3
RH-17
Troubleshooting — Antennas CCS Technical Documentation
Page 4 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting — Antenn as
Troubleshooting - Antennas
This troubleshooting guide addresses potential failures that will affect the antenna performance of the RH-17 phone, and how to correct these failures.
For additional information, refer to Haukka Antenna RF Specifications and Plan
(DHS02290-EN-1.0)
Appearance of the Phone
Figure 1: Front of RH-17
Figure 2: Back of RH-17
Figure 3: Back and Top of RH-17
Note in Figure 3 that when the whip antenna is properly installed, the cap “clicks” into
the D-cover when the whip is fully retracted.
Issue 1 04/2003 Nokia Corporation Confidential Page 5
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