Nokia 7260 서비스 매뉴얼

ISSUE 1 09/2004

COMPANY CONFIDENTIAL

3

Copyright © 2004 Nokia. All Rights Reserved.

RM-17
7 - System Module

Nokia Customer Care

Absolute maximum ratings...............................................................................  13
Temperature conditions ...................................................................................  13
Humidity and water resistance.........................................................................  13
Frequencies in baseband.................................................................................  14
PWB.................................................................................................................  14

Modes of operation  ........................................................................................ 17
No Supply  ...................................................................................................... 17
Backup ........................................................................................................... 17
Acting Dead  ................................................................................................... 17
Active ............................................................................................................. 17
Sleep Mode .................................................................................................... 18
Charging ........................................................................................................ 18

Power distribution ............................................................................................  18
DC characteristics............................................................................................  19

Internal microphone  ....................................................................................... 21
Internal speaker  ............................................................................................. 22
IHF speaker  ................................................................................................... 23
External audio  ................................................................................................ 23
External microphone connection .................................................................... 23
Headset connections  ..................................................................................... 23
Test possibilities ............................................................................................. 23