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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
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