Ungrounded Display Frame - Nokia NPD-4 Series Troubleshooting - Antennas
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Also See for NPD-4 Series:
- Technical documentation manual (62 pages) ,
- Troubleshooting - bb (42 pages) ,
- Troubleshooting - gps (28 pages)
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NPD-4
Troubleshooting — Antennas
Ungrounded display frame
The display frame is normally grounded by two spring clips (Figure 6). The figure shows
the display frame grounding locations. If clips are missing or bent, replace display mod-
ule (UI) with a good one.
The D cover and light guide have snaps near the display frame ground positions. Make
sure they are locked in position for ESD protection. These snap features help maintain
display leg contact with the PWB.
Page 8
Figure 5: Properly installed whip antenna
Figure 6: Display frame grounded by two spring clips
Nokia Corporation
CCS Technical Documentation
Confidential
Issue 1 02/2003
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