User Guide

Nokia Customer Care 2118 Schematics / Layouts 2118 (RH-77)
Issue 01 04/2005 ©2005 Nokia Corporation Company Confidential Page A-5
Audio
"HOOKINT"
"MIC2N"
"MIC2P"
"HF"
"HFCM" "XEARN"
"XMICP"
"XMICN"
"XEARP"
VESPA REFRESH
EDMS USE 4341429
IHF speaker connection
"EARN"
"MICB1"
Capacitors should be placed near
"MIC1P"
SPEAKER IS ON UI SHEET
"EARP"
514B011
"MIC1N"
IHF
Place at B300
N150, Audio Amplifier, and connected
"EARP"
"MICB2"
1
"EARN"
AUDIO AMPLIFIER
to VBAT & GND pins.
C172
100n
GND
R179
34
?/2 VWM16V
J306
C152
39p
R172
2 /2 1k0
2x1k0
2x1k0
GND
J306_B
R150
/2 1k0
1
39p
GND
IHF_N
C178
47p
C171
R156
180k
1
AGND1
22n
C166
AGND1
47k
VBAT
5
3
GND
R173
C175
1u0
R155
GND
2
R171
2x1k0
1 /2 1k0
47k
L151
240R/100MHz
/2 5R61
R178
0
R154
470R
100n
C174
IHF_P
AGND1
34
1
R152
12
/2 1k02
R151
A3
+IN
Bypass
C1
Vo2
C3
_Shutdown
/2 1k0
AGND1
AGND1
B1,B2= GND
VBAT
N150
LM4890ITLXNOPB
B3=
-IN
A1
Vo1
R152
2
/2 1k0
34
J305_B
C180
39p
C179
1
4
100n
R171
2 /2 1k0
2x1k0
/2 100n2
C151
VBAT
1/2 100n
C151
1
0
3
AGND1
2x1k0
/2 1k0
2
R150
C169
100n
R151
1
12
GND
/2 VWM16V ?
12
/2 1k0
C164
28
VBAT
R179
GND
2n2
1u0
C167
J305
39p
4
NA
C165
C156
R168
2
2 /2 5R6
R178
2 /2 5R6
22p
C177
1
/2 1k0
R170
2x1k0
C153
0
1
47p
AGND1
C155
22n
2x1k0
AGND1
0
C181
1 /2 1k0
R172
R170
2 /2 1k0
2x1k0
100n
1
GND
R168
/2 5R6
6
5k6
R157
0
0
1
HEADINT
XAUDIO(17:0)
L150
240R/100MHz
MIC(2:0)
GENIO(31:0)
AUDIO(6:0)
EAR(1:0)
XMIC(2:0)
XEAR(3:0)
MIC(0)
MIC(1)