User Guide

CCS Technical Documentation EY1A System Module Schematics RH-9
Issue 1 11/02 ãNokia Corporation Page A-16
Audio
"XMICP"
C
B
"EARN"
"MICP"
"MICN"
"XEARN"
not assembled
"EARN"
"MICB2"
"MIC1N"
"MICB1"
"MIC1P"
"MIC2P"
"HF"
"MIC2N"
"HFCM"
"XMICN"
"XEARP"
"EARP"
"Close to UEM"
1 2 3 4 5
D
A
33n
"BUZZER"
6
"NOT SMD COMPONENT"
"EARP"
2x2k2
0
1
C162
J150
R156
4
R184
10k
C168
4u7
100n
C159
4k7
22k
R159
C161
R158
GND
33n
C173
100n
0
820p
C183
4k7
R181
1u0
C181
2
100n
C174
GND
R183
1
1n0
C172
/2 10R
1n0
C170
0
L181
42R/100MHz
GND
3
42R/100MHz
L180
1k0
R152
C155
33n
6
C153C154
1n01n0
33n
C156
1
R151
1k0
100n
C184
/2 10R2
100n
R161
GND
6
3
1
C152
1
0
1
GND
GND
14
B180
0
C157
1u0
2x1k
R153
4
5
1
100n
C151
R165
GND
220R
1u0
C182
R180
GND
22k
R164
GND
R167
10k
12k
4u7
C171
220R
100n
C180
R166
10k
GND
1
23
4
2
R154
EXC24CB102U
Z150
100n
C158
/2 10R
R161
1
R168
12k
/2 10R
0
R157
2x2k2
VBAT
2
R183
LM4890IBLX
N180
VBAT
GNDA2,B2=
IN-
BYPASS
Vo1
Vo2
IN+
_SHUTDOWN
HOOKINT
PUSL(3:0)
GENIO(31:0)
AUDUEMCTRL(3:0)
AUDIO(6:0)
MIC(2:0)
XAUDIO(17:0)
XMIC(2:0)
EAR(1:0)
XEAR(3:0)
UIDRV(5:0)
HEADINT
SLOWAD(6:0)
IHF(1:0)
C2=