Grounding Of Display Frame - Nokia RH-3 Series Troubleshooting - Antenna

CCS Technical Documentation
and/or dirt needs to be removed. If the whip stopper doesn't properly contact the bot-
tom antenna clip, then the internal antenna gain will degrade by about 4-5dB at Cell
band and 3-10dB at PCS band when whip is retracted.

Grounding of Display Frame

Note that the display frame is grounded to the PWB through the two ground clips. The
grounding of the display frame will impact the radiation performance of the phone. If
the clips are not touching the PWB, or are corroded or obstructed, then the display frame
should be replaced.
The following figures show the contact between the display frame ground clips and the
PWB in greater detail.
Figure 15: Contacts of display frame clips with side plating of PWB
Issue 1 06/2003
Figure 14: Back view of display assembly
Nokia Corporation
Troubleshooting — Antenna
Confidential
RH-3
Page 13