Nokia 3105 Servicehandbuch
CCS Technical Documentation
3105
Schematics / Layouts (1dg_07a)
RH-48
Issue 1 11/2003
©
2003 Nokia Corporation Confidential
Page A-11
Audio
SPEAKER IS ON UI SHEET
"EARP"
IHF speaker connection
"EARN"
AUDIO AMPLIFIER
514B011
"MIC1P"
Place at B300
C-MAX
to VBAT & GND pins.
"MICB1"
Capacitors should be placed near
"XEARN"
N150, Audio Amplifier, and connected
IHF
"XMICP"
"HF"
"EARP"
"MIC1N"
"HOOKINT"
"XEARP"
"HFCM"
"XMICN"
"EARN"
"MICB2"
"MIC2P"
"MIC2N"
EDMS USE 4341429
C165
AGND1
AGND1
6
L150
240R/100MHz
100n
C174
2n2
C164
IHF_N
1 /2 1k0
1
2
0
1
R170
2x1k0
1
/2 1k0
1
R152
C175
1u0
1u0
L151
240R/100MHz
AGND1
1
R167
5R6
GND
GND
AGND1
A3
BYPASS
B1
Vo1
Vo2
B3
IN+
C1
C3
_SHUTDOWN
4
AGND1
J306
R172
A2,B2= AGND1
VBAT
N150
LM4890IBLX
C2=
IN-
A1
1
2
AGND1
2 /2 1k0
2x1k0
R179
/2 VWM16V
?
/2 1k0
2x1k0
R171
100n
C180
2
2
AGND1
R170
2 /2 1k0
5
C155
22n
2x1k0
2x1k0
2
1 /2 1k0
R172
C153
VBAT
C156
39p
47p
J305
22n
C166
28
4
47k
R173
J305_B
3
0
3
4
1u0
C167
1
2
/2 1k0
2
R151
/2 1k0
R151
1
C152
39p
AGND1
AGND1
47k
J306_B
R155
22p
C177
5k6
R157
47p
C171
R179
3
4
AGND1
5R6
R177
?
/2 VWM16V
3
4
R152
2 /2 1k0
VBAT
C169
100n
5R6
0
1
0
1
R168
100n
C154
100n
C151
VBAT
R156
180k
SMART
0
1
AGND1
5R6
R178
/2 1k0
1
0
AGND1
100n
C181
2x1k0
R150
C172
100n
3
R154
470R
1 /2 1k0
R171
2x1k0
AGND1
39p
C178
/2 1k0
2
R150
AGND1
2x1k0
39p
C179
HEADINT
XMIC(2:0)
HOOKINT
IHF_P
HOOKINT
UIDRV(5:0)
AUDUEMCTRL(3:0)
PUSL(3:0)
IHF(1:0)
MIC(2:0)
XEAR(3:0)
GENIO(31:0)
SLOWAD(6:0)
AUDIO(6:0)
EAR(1:0)
XAUDIO(17:0)
APE_AUDIO(3:0)
APE_GPIO(15:0)
MCBSP2(5:0)
MIC(1)
MIC(0)
MIC(0)