User Guide

nokia
CONFIDENTIAL
(PCB)VersionMu4
Audioschematic
2(11)
NPM-5Maverick
ADC_SEL1 ADC_SEL2
Line in 0 V 0 V
FMR Source 2.7 V 0 V
Phone Source 0 V 2.7 V
Invalid 2.7 V 2.7 V
AudioRouting
DigitalAudioData
fromDSPU101
DigitalAudioout
toDSPU101
2.8V
AudioCodec
(DAC,ADC)
2.8V
2.8V
2.8V
MCUU301
1.6V
StereoHeadset
connectorHDD-2
(black)J602
{
MCUU301
Earpiece
FromN100Cobba
overBtoBJ301
{
{
FMRU801
11.9952MhzClock
FMRU801
EMI/ESD
EMI/ESD
Audio
Multiplexer
AudioLinein
(ADE-2)J601
2.8V
MCUU301
EMI/ESD
Resistiveattenuator
{
Bottomconnector
J603
MIC
Ext.Ear
(mono
headset)
connection
Ext.Mic
connection
Charger
connection
EMI/ESD
EMI/ESD
Headset
connector
HDD-2
(grey)or
Standard
Headset
{
{
{
2.8V
Headsetconnected
detectiontoMCUU301
EMI/ESD
EMI/ESD
FromN100Cobba
overBtoBJ301
N100Cobbaover
BtoBconnectorJ301
FromN100Cobba
overBtoBJ301
{
EMI/ESD
EMI/ESD
EMI/ESD
EMI/ESD
N200Chapsover
BtoBconnectorJ301
Modified:12.02.2002
CustomerCareEurope&Africa
SCCETrainingGroup
Onlyfortrainingandservicepurposes©2002NMP
Version1.0Approved