Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Mobile Phone 7190 4SysMod

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           Programmes After Market Services
               NSB-5 Series Transceivers




                System Module




Issue 1 03/01                       Nokia Mobile Phones Ltd.
NSB-5
System Module                              PAMS Technical Documentation




Page 2          Nokia Mobile Phones Ltd.                     Issue 1 03/01
                                                                                                                NSB-5
PAMS Technical Documentation                                                                              System Module

Contents
                                                                                                                            Page No
  System Connector ........................................................................................................ 7
   DC Connector ............................................................................................................. 9
   Slide Microphone ........................................................................................................ 9
   Slide Connector ...........................................................................................................9
   Roller Interface ........................................................................................................... 9
   Keys and Keymatrix ................................................................................................... 9
   Headset Connector ...................................................................................................... 9
   Battery Connector ......................................................................................................15
     Vibra Alerting Device ............................................................................................. 16
   SIM Card Connector ..................................................................................................16
   Infrared Transceiver Module .................................................................................... 17
   Real Time Clock ....................................................................................................... 18
  Baseband Module....................................................................................................... 18
   Technical Summary .................................................................................................. 18
   Power Distribution .................................................................................................... 20
   Power Up .................................................................................................................. 22
     Power up with a charger.......................................................................................... 22
     Power Up With the Power Switch (PWRONX)...................................................... 22
     Power Up by RTC ....................................................................................................23
     Power Up by IBI ..................................................................................................... 23
     Acting Dead............................................................................................................. 23
     Active Mode............................................................................................................ 23
     Sleep Mode.............................................................................................................. 23
     Battery charging ...................................................................................................... 24
     Startup Charging ..................................................................................................... 25
     Battery Overvoltage Protection.............................................................................. 25
     Battery Removal During Charging ......................................................................... 26
     Different PWM Frequencies (1Hz and 32 Hz)........................................................ 27
     Battery Identification............................................................................................... 28
     Battery Temperature................................................................................................ 29
     Supply Voltage Regulators...................................................................................... 29
   Audio Control ........................................................................................................... 30
     Internal Microphone and Earpiece ......................................................................... 31
     External Audio Connections .................................................................................. 32
     Analog Audio Accessory Detection....................................................................... 32
     Internal Audio Connections ................................................................................... 33
     4

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