Nokia 2300 서비스 매뉴얼
Customer Care Solutions
Schematics / Layouts
RM-4/RM-5
ISSUE 1 02/2004
Copyright © Nokia 2003. All rights reserved.
Page A-
Audio, v. 1.3, ed. 48
BUZZER
" SPEAKER"
Need cooling
NICKEL ONLY
NA
"MICB2"
"MIC2P"
"MIC2N"
PENNY ONLY
"HF"
"EARP"
"EARN"
"MICP"
"MICN"
"XEARP"
"XEARN"
"XMICP"
"XMICN"
"HFCM"
"EARP"
"EARN"
"MIC1N"
"MIC1P"
"MICB1"
1u0
C182
NA
"NOT SMD COMPONENT"
IHF
R180
22k
GND
GND
1n0
C153
1n0
C172
C154
C152
33n
R181
1n0
2
1
12k
GND
2k2
R152
R155
2k2
J151
GND
R158
22k
R159
12k
GND
3
C188
56p
30nH
L180
0
1
4
J154
VBAT
33n
C159
0
330p
C183
12p
12p
C189
C190
470n
C181
2
C173
33n
C158
R161
/2 10R
10k
100n
GND
R154
C170
GND
R156
2x2k2
2
GND
1n0
33n
C174
GND
R157
2x2k2
R168
22k
R153
GND
GND
C187
0
2x1k
1
2
56p
33n
C180
B301
R151
2x1k
C151
12p
33n
12p
C192
C191
R161
1
0
GND
5
/2 10R
C186
0
J153
1
2
3
4
330p
22k
R164
EXC24CB102U
Z150
0
1
4u7
C171
L183
GND
VBAT
L182
220nH
220nH
GND
GND
3
4
2k2
R162
R160
2k2
C168
4u7
220R
C2=
IN-
BYPASS
Vo1
Vo2
Vo2
IN+
_SHUTDOWN
R166
C185
LM4890IBLX
N180
VBAT
GND
GND
A2,B2=
1
0
6
22p
J152
1
22p
C184
GND
/2 22R
R183
1
2
R183
220R
R165
GND
/2 22R
14
J150
L181
30nH
HOOKINT
PUSL(3:0)
EAR(1:0)
AUDUEMCTRL(3:0)
SLOWAD(6:0)
IHF(1:0)
MCBSP2(5:0)
APE_AUDIO(4:0)
APE_GPIO(15:0)
IHF_XEAR(1:0)
AUDIO(6:0)
XAUDIO(17:0)
GENIO(31:0)
MIC(2:0)
XMIC(2:0)
HEADINT(1:0)
G_AUDIO(11:0)
XEAR(3:0)
UIDRV(5:0)