Nokia 616 - Customer Care Solutions Nokia 610 & 616 Carkit Phone (Tfe-4;Rv-1)

TFE-4/RV-1 Company Confidential
TF5 Technical Information Nokia Customer Care
Page 8a-2 Copyright © 2005 Nokia Corporation. Issue 2.0 Mar/2005
Company Confidential
Table of Contents
Description Page No.
Technical Information...................................................................................................................... 5
Internal signals and connections ......................................................................................... 5
User interface ............................................................................................................................ 5
Modes of operation .................................................................................................................. 6
Functional descrpition ............................................................................................................ 7
Block diagram .................................................................................................................... 7
Electrical module description ........................................................................................ 7
PWBs ..................................................................................................................................... 8
Functional description of software .............................................................................. 8
Introduction ...................................................................................................................................... 8
Block diagram of Junctionboard .......................................................................................... 9
Description of the Powerstates ............................................................................................. 10
Standbye mode ..................................................................................................................10
Active mode ........................................................................................................................ 10
Active locked mode .......................................................................................................... 10
Ignition Off mode ..............................................................................................................11
Carbatt fail mode ..............................................................................................................11
Description of the blocks ........................................................................................................ 12
Power supply ...................................................................................................................... 12
Block diagram of Power supply .............................................................................. 12
Desciption of inputs, outputs and block internal lines ................................... 12
Description of the Hardware Realization ............................................................ 13
Power control/Reset block ............................................................................................. 17
Power control/Reset block diagram ..................................................................... 18
Desciption of inputs, outputs and block internal lines ................................... 18
Description of the HW Realization ....................................................................... 20
Description of the Audio Block .................................................................................... 22
Block diagram of Audio Block .............................................................................. 22
Desciption of Inputs, Outputs and Block-internal Lines ................................ 23
Description of the HW Realization ....................................................................... 24
Level shifter description .................................................................................................. 27
Block diagram of Levelshifter part ........................................................................ 27
CRM Levelshifter ...............................................................................................................28
Functional description .............................................................................................. 28
Antenna line ............................................................................................................................... 29
Connectors ................................................................................................................................. 29
B2B connectors .................................................................................................................. 29
External connectors .......................................................................................................... 31