Nokia 6225 Service Manual 8rh27ant
CCS Technical Documentation
RH-27 Series Transceivers
Troubleshooting - Antennas
Issue 1 11/2003 Confidential ©2003 Nokia Corporation
RH-27
Troubleshooting - Antennas CCS Technical Documentation
Contents
Page No
Troubleshooting - Antennas........................................................................................... 3
Failures and Corrective Measures ...............................................................................3
Appearance of phone................................................................................................. 3
Missing internal antenna or antenna radiator............................................................ 3
Missing GPS antenna, damaged GPS feed/ground pin or damaged heatstick.......... 4
RF feed pin/ground pin, IHF speaker pins in C-cover missing or damaged............. 5
Obstructed RF feed & ground pads, GPS feed and ground pads, IHF speaker pads 6
CDMA or GPS RF connector failure........................................................................ 6
Display Assembly ..................................................................................................... 7
Missing or damaged baseband shield........................................................................ 9
Page 2 ©2003 Nokia Corporation Confidential Issue 1 11/2003
RH-27
CCS Technical Documentation Troubleshooting - Antennas
Troubleshooting - Antennas
This troubleshooting guide addresses potential failures that will affect the antenna performance of the RH-27 phone, and discusses methods for correction of these failures.
Failures and Corrective Measures
Appearance of phone
Figure 1: Front and back views of the RH-27 (6225) phone
Missing internal antenna or antenna radiator
Internal
antenna
Antenna cap
is missing
Figure 2: RH-27 (6225) phone with and without antenna cap
Antenna
Slot
Antenna cap
Issue 1 11/2003 Confidential ©2003 Nokia Corporation Page 3
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