Nokia n81 Service Manual page 190

SIM IF connections..........................................................................................................................................
Charger connector and charging interface connections & electrical characteristics
Internal interfaces..........................................................................................................................................
Back-up battery interface electrical
RF description ......................................................................................................................................................
Block diagram.................................................................................................................................................
Receiver (RX) ...................................................................................................................................................
Transmitter (TX) .............................................................................................................................................
Frequency mappings...........................................................................................................................................
GSM850 frequencies
EGSM900 frequencies
GSM1800 frequencies.....................................................................................................................................
GSM1900 frequencies.....................................................................................................................................
WCDMA 2100 Rx frequencies
WCDMA 2100 Tx frequencies
List of Tables
Table 7 Nominal voltages
Table 8 General WLAN specifications
Table 9 Display characteristics
Table 10 AV interface electrical characteristics
Table 11 Charging interface connections
Table 12 Charging IF electrical characteristics
Table 13 Back-up battery
Table 14 Back-up battery electrical characteristics
List of Figures
Figure 53 Battery pin order ...................................................................................................................................6-9
Figure 54 Battery connector...............................................................................................................................
Figure 55 Small (right) and wide (left) charger
Figure 56 Clocking scheme
Figure 57 Bluetooth hardware block diagram
Figure 58 SIM interface
Figure 59 SD interface.........................................................................................................................................
Figure 60 Main camera image orientation
Figure 61 Secondary camera mechanical outline
Figure 62 Flash LED..............................................................................................................................................
Figure 63 Camera overview................................................................................................................................
Figure 64 Display overview
Figure 65 Display mechanical outline
Figure 66 ITUT and S60 keymat
Figure 67 S60 and Menue flex
Figure 68 RM-179 key matrix
Figure 69 Illumination overivew
Figure 70 ITUT keyboard and side key backlight
Figure 71 High side driver schematic
Figure 72 Hall sensor connection
Figure 73 Internal microphone
Figure 74 MicBias circuitry..................................................................................................................................
Figure 75 External mic circuitry
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COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
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RM-179; RM-223
System Module and User Interface
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Issue 1