Nokia NPD-1 Series Troubleshooting - Antenna
Transceivers
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Also See for NPD-1 Series:
- Troubleshooting - rf (62 pages) ,
- Troubleshooting - bb (42 pages) ,
- Assembly (10 pages)
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Table of Contents
- 1 Table of Contents
- 2 Relevant Documents
- 3 Failures and Corrective Measures
- 4 Internal Antenna Not Installed or Unplated Internal Antenna Installed
- 5 Stamped Contact Spring Clips Missing/Miss-Installed for Internal Antenna
- 6 Bottom Antenna Clip Bent or Missing
- 7 Missing Whip
- 8 Ungrounded Display Frame
- Download this manual
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Table of Contents
Related Manuals for Nokia NPD-1 Series
Summary of Contents for Nokia NPD-1 Series
- Page 1 CCS Technical Documentation NPD-1 Series Transceivers Troubleshooting — Antenna Nokia Corporation Issue 1 11/2002 Confidential...
- Page 2 NPD-1 Troubleshooting — Antenna CCS Technical Documentation Nokia Corporation Page 2 Confidential Issue 1 11/2002...
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Page 3: Table Of Contents
Internal antenna not installed or unplated internal antenna installed ......5 Stamped contact spring clips missing/miss-installed for internal antenna....5 Bottom antenna clip bent or missing................. 6 Missing whip ......................6 Ungrounded display frame ..................7 Nokia Corporation Issue 1 11/2002 Confidential Page 3... - Page 4 NPD-1 Troubleshooting — Antenna CCS Technical Documentation Nokia Corporation Page 4 Confidential Issue 1 11/2002...
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Page 5: Troubleshooting - Antenna
Figure 3 shows both stamped contacts spring clips missing. If the either contact is miss- ing or bent, replace antenna module with new antenna. Figure 2: RF feed and ground stamped contact spring clips properly installed Nokia Corporation Issue 1 11/2002 Confidential... -
Page 6: Bottom Antenna Clip Bent Or Missing
CELL band when the whip is retracted. PCS band, retracted whip, degradation will be 10 to 15 db. Missing whip If the whip is missing, then the Eagle antenna module should be replaced. Figure 5 shows a properly installed whip antenna. Nokia Corporation Page 6 Confidential Issue 1 11/2002... -
Page 7: Ungrounded Display Frame
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. Nokia Corporation Issue 1 11/2002 Confidential... - Page 8 NPD-1 Troubleshooting — Antenna CCS Technical Documentation Nokia Corporation Page 8 Confidential Issue 1 11/2002...