User Guide

Table of Contents
General information...............................................................................................................................................9–5
RM-349 Product data ........................................................................................................................................9–5
Main RF characteristics for GSM850/900/1800/1900 (quadband) and EDGE phones .................................9–6
BB troubleshooting ................................................................................................................................................9–7
Introduction to Bluetooth/FM radio troubleshooting...................................................................................9–7
GPS layout and basic test points......................................................................................................................9–9
RF troubleshooting.............................................................................................................................................. 9–10
RM-349 RF block ............................................................................................................................................. 9–10
System module.................................................................................................................................................... 9–11
Phone description .......................................................................................................................................... 9–11
Power distribution......................................................................................................................................... 9–13
Clocking scheme............................................................................................................................................. 9–15
List of Tables
Table 20 Main RF characteristics...........................................................................................................................9–6
List of Figures
Figure 73 View of RM-349......................................................................................................................................9–5
Figure 74 Bluetooth and GPS antenna in B-cover ...............................................................................................9–7
Figure 75 Bluetooth/FM Radio component layout and test points...................................................................9–8
Figure 76 BT and GPS antenna pads.....................................................................................................................9–9
Figure 77 GPS layout and basic test points....................................................................................................... 9–10
Figure 78 RM-349 RF key components .............................................................................................................. 9–11
Figure 79 Power distribution............................................................................................................................. 9–14
Figure 80 Clocking scheme................................................................................................................................. 9–15
RM-348; RM-349; RM-350
Service information differences between RM-349 and
RM-348
Issue 2 COMPANY CONFIDENTIAL Page 9 –3
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