![Nokia E72 Скачать руководство пользователя страница 82](http://html.mh-extra.com/html/nokia/e72/e72_service-manual_254263082.webp)
Loop test
Input
terminal
Output
terminal
Path gain
[dB] (fixed)
Input voltage,
1 kHz sine
[mVp-p]
Single-ended
output
voltage [mVp-
p]
Output
DC level
[V]
AV mic to AV ear HS_MIC
and GND
HS_EAR_R and
GND
+21.3
100
584
0
HS_EAR_L and
GND
AV mic to HP ear HS_MIC
and GND
B2101 pad1
and GND
+18.2
100
407
1.5
B2101 pad2
and GND
Ext microphone
in Int handsfree
out
HS_MIC
and GND
B2102 pad1
and GND
+3.6 with
lowpass
filter
1000
758 with
lowpass filter
See the
Measurement
data
graphics
below
NA
B2102 pad2
and GND
Measurement data
Figure 11 AV mic to AV ear, single-ended loop measurement. 16 kHz lowpass filter is used to attenuate noise from the
signal. The filter is optional.
RM-529; RM-530; RM-584
BB Troubleshooting and Manual Tuning Guide
Page 3 –34
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2009 Nokia. All rights reserved.
Содержание E72
Страница 119: ...4 RF Troubleshooting Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 4 1 Copyright 2009 Nokia All rights reserved ...
Страница 147: ...6 System Module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 6 1 Copyright 2009 Nokia All rights reserved ...
Страница 163: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2009 Nokia All rights reserved ...