Nokia RM-155, 2366i Vari Antenna Description and Troubleshooting
Nokia Customer Care
2366i (RM-155)
Mobile Terminals
Antenna Description and
Troubleshooting
Issue 2 - February 2007 Company Confidential
2366i (RM-155)
Antenna Description and Troubleshooting Nokia Customer Care
Contents Page
Introduction ..................................................................................................................................................... 3
CDMA Antenna Assembly............................................................................................................................. 4
Remove the CDMA Antenna Assembly ..................................................................................................5
Circuit Description ......................................................................................................................................6
Damaged RF Feed Contact ........................................................................................................................ 6
Damaged RF Connector .............................................................................................................................7
GPS Antenna .................................................................................................................................................... 8
Expose the GPS Antenna Circuits ...........................................................................................................8
Malfunctions .................................................................................................................................................8
GPS Matching Components ......................................................................................................................9
Bluetooth Antenna...................................................................................................................................... 11
Page 2 Company Confidential Issue 2 - February 2007
2366i (RM-155)
Nokia Customer Care Antenna Description and Troubleshooting
Introduction
This chapter addresses potential failures that affect antenna performance of the 2366i
mobile terminals and discusses methods for correction of these failures. There are three
serviceable antennas used in the 2366i mobile terminal:
• CDMA antenna (a dual-band stub antenna)
• GPS antenna (mounted to the main PWB)
• Bluetooth antenna (a printed trace on the main PWB)
The following sections describe these antennas and their connections to the mobile
terminal components.
Issue 2 - February 2007 Company Confidential Page 3
2366i (RM-155)
Antenna Description and Troubleshooting Nokia Customer Care
CDMA Antenna Assembly
You can disconnect the dual-band CDMA antenna assembly. Partial disassembly of the
mobile terminal is required to remove and replace the CDMA antenna assembly. (See the
Disassembly and Assembly chapters for instructions.) When installed, a T-shaped locking
tab on the antenna assembly engages two locking ramps molded into the D-cover and an
electrical spring clip contact connects to a pad on the main PWB. Figure 1 shows the
antenna assembly and its mounting arrangement.
Locking
ramps
Figure 1: CDMA Antenna Assembly and mounting arrangement
Antenna pogo pins
Spring Clip Contact
Locking Tab
Antenna Contact Pad
CDMA Antenna
Assembly
Figure 2: Antenna Contact Pad
Page 4 Company Confidential Issue 2 - February 2007
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