Internal Antenna; Damaged Rf Feed Or Ground Pins - Nokia RH-3 Series Troubleshooting - Antenna

CCS Technical Documentation
.
If the internal antenna is missing, install one. If the radiator looks obviously damaged,
then replace the internal antenna.
If no internal antenna is installed, the antenna gain will be degraded by more than
25 dB.
If the whip is missing, then remove the internal antenna, install a whip and reinstall the

internal antenna.

Internal Antenna
RH-3/RH-3P internal antenna shown in Figure 8 has a metal sheet (main antenna radia-
tor) and a metal strip (GPS antenna) attached to a plastic carrier (Models 2285 and 2270
only).
Figure 8: RH-3/RH-3P internal antenna from two different view angles

Damaged RF Feed or Ground Pins

Both main and GPS antennas have pins (spring clips) that should properly touch the
PWB. Positioning of these pins is shown in Figure 9.
Issue 1 06/2003
Figure 7: RH-3 D-cover assembly
Nokia Corporation
Troubleshooting — Antenna
Confidential
RH-3
Page 9