RH-41
System Module
Accessories Interface ................................................................................................... 19
System connector ......................................................................................................... 19
Introduction ............................................................................................................. 19
Interface................................................................................................................... 19
Technical Information ............................................................................................. 21
PPH-1 Handsfree .......................................................................................................21
Introduction ............................................................................................................. 21
Interface................................................................................................................... 21
Charger IF ..................................................................................................................21
Introduction ............................................................................................................. 21
Interface................................................................................................................... 21
Test Interfaces .............................................................................................................. 22
Production Test Pattern ..............................................................................................22
Other Test Points .......................................................................................................22
EMC ............................................................................................................................. 23
General .......................................................................................................................23
Keyboard lines......................................................................................................... 23
C-Cover ................................................................................................................... 23
PWB ........................................................................................................................ 23
LCD......................................................................................................................... 23
Microphone ............................................................................................................. 23
EARP....................................................................................................................... 23
Buzzer...................................................................................................................... 23
System Connector Lines.......................................................................................... 24
Battery Connector Lines.......................................................................................... 24
MBUS and FBUS.................................................................................................... 24
Transceiver Interfaces .................................................................................................. 24
BB Internal Connections ............................................................................................28
UPP Block Signals .....................................................................................................33
Memory Block Interfaces ..........................................................................................37
Audio Interfaces .........................................................................................................38
Key/Display blocks ....................................................................................................40
Keyboard Interface .................................................................................................. 40
Display Interface ..................................................................................................... 40
RF Module ................................................................................................................... 40
Requirements .............................................................................................................40
Design ........................................................................................................................41
Software Compensations ...........................................................................................41
RF Frequency Plan .................................................................................................. 41
DC Characteristics .....................................................................................................42
Regulators................................................................................................................ 43
Receiver .....................................................................................................................44
Page 4
Nokia Corporation
CCS Technical Documentation
Confidential
Issue 2 09/2003