User Guide

Customer Care Solutions Schematics / Layouts 1bj_09 RH-30/31
Issue 2 11/04 Copyright © Nokia 2004. All rights reserved. Page A-
Audio
"MIC3N"
B
"EARN"
"MIC1N"
"MICB2"
"MIC3P"
"MIC2N"
"FM-RADIO L"
C
IHF speaker connection
"HOOKINT"
"RIGHT P"
D
"MIC2P"
"FM-RADIO R"
"EARN"
"RIGHT N"
"EARP"
3
"HEADINT"
Varistor arrays have reliability issues
"XMICP"
"XMICN"
"HFCM"
"MICN"
"LEFT P"
"LEFT N"
"PHONE AUDIO"
"MIC1P"
"HF"
IHF/MONO/STEREO
AUDIO AMPLIFIER
"EARP"
"MICP"
A
"MICB1"
C169
100n
100n
C170
GND
GND GND
C173
68p
C174
68p
2u2
C152
10R
R164
0
/2 33n2
C154
C157
GND
/2 27p2
GND
C166
1u0
C150
2u2
EU, US
C156
2 /2 1n
GND
EU, US
/2 1n1
C156
/2 27p1
C155
GND
GND
2
J152
GND
11
L151
33nH
7
5
Vanessa Audio
Name
dd-mmm-y
Appr
R165
10R
C158
GND
2
4
R163
GND
/2 27p1
3k3
R159
14V/50V 14V/50V
R158
1
23
4
10
/2 33n2
C153
resistors
MCZ1210AD102T
L150
4
GND
R157
2x2k2
/2 27p1
C157
GND
R173
1k0
C154
1 /2 33n
/2 1n2
C164
J154
J153
R155
/2 27p2
C155
220R
R171
2x2k2
C159
2 /2 27p
R172
220R
GND
VBAT
1
33nH
L152
14V/50V
R152
1
R154
GND
16
15
14
1k0
R153
1k0
100n
C162
2k2
R156
100n
C165
GND
100n
C151
C168
C151
1 /2 1n /2 1n2
10R
3
0
10R
R166
R167
C167
1
1u0
C164
/2 27p2
C158
100n
/2 1n1
GND
1
C160
C163 100n
15p
GND
2
GND
GND
C171
Phone_inIHF
D6
LOut+
E1
CLK
E3
ENB
E5
DATA
LOut-
E7
0
8
GND
VBAT
N150
LM4855ITLX
C3,C5=
Bypass
A1
Phone_inHS
A3
Rin
A5
ROut-
A7
SPKRout-
B2
B4
Lin
ROut+
B6
SPKROut+
D2
D4
14V/50V
C1,C7=
100n
R151
GND
GND
C161
3
GND
1
2
1
0
1 /2 27p
1
0
0
9
C159
C153
1 /2 33n
GND
GENIO(31:0)
6
HOOKINT
UIDRV(5:0)
AUDUEMCTRL(3:0)
PUSL(3:0)
SLOWAD(6:0)
HEADINT
IHF(1:0)
AUDIO(6:0)
XAUDIO(17:0)
MIC(2:0)
EAR(1:0)
XMIC(2:0)
XEAR(3:0)