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Nokia RM-484 User Manual

Nokia RM-484
232 pages
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Table of Contents
FMTx 2.1 schematic ................................................................................................................................................7–5
FMTx 2.1 component layout ..................................................................................................................................7–5
FMTx 2.1 PWB traces ..............................................................................................................................................7–6
Specific digital and power supply test points .....................................................................................................7–6
FMTx2.1 specific RF test points .............................................................................................................................7–7
Specific clock test points........................................................................................................................................7–7
General visual inspection guidelines....................................................................................................................7–7
FMTx2.1 troubleshooting.......................................................................................................................................7–8
FMTx2.1 antenna visual inspection troubleshooting .........................................................................................7–9
FMTx2.1 audio path visual inspection troubleshooting.................................................................................. 7–10
FMTx2.1 Si4713 visual inspection troubleshooting ......................................................................................... 7–11
Checking validity of signals................................................................................................................................ 7–11
FMTx2.1 troubleshooting faults......................................................................................................................... 7–12
Phoenix PC tool.................................................................................................................................................... 7–12
List of Tables
Table 6 Bus mode selection truth table...............................................................................................................7–6
Table 7 I2C 7-bit bus address selection summary...............................................................................................7–7
Table 8 Left and right audio self test truth table............................................................................................. 7–15
List of Figures
Figure 52 FMTx 2.1 schematic ...............................................................................................................................7–5
Figure 53 FMTx 2.1 component references and location ...................................................................................7–5
Figure 54 FMTx 2.1 layout......................................................................................................................................7–6
Figure 55 FMTx panel before connection to the handset................................................................................ 7–13
Figure 56 FMTx panel after connection to the handset................................................................................... 7–13
Figure 57 FMTx panel in action .......................................................................................................................... 7–15
RM-484; RM-485; RM-486
FMTx 2.1 Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 7 –3
Copyright © 2009 Nokia. All rights reserved.

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Nokia RM-484 Specifications

General IconGeneral
BrandNokia
ModelRM-484
CategoryCell Phone
LanguageEnglish

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