Nokia 7280 Manual Do Serviço
Nokia Customer Care
Schematics and Layouts/RM-14, v.1.0
RM-14
ISSUE 1 11/04
Copyright ©Nokia 2004. All rights reserved.
Page A-1
Audio
Earpiece connector
"MIC1N"
same GND connection
"XMICP"
Place close to system connector
same GND connection
same GND connection
"XEARP"
"EARP"
IHF speaker connection
"HF"
"HFCM"
"MIC1P"
"XEARN"
"MICN"
"MICP"
same GND connection
"EARN"
Awaiting final symbol from Mech
"EARP"
"EARN"
"HEADINT"
"XMICN"
Place close to BB can
same GND connection
XE153
/2 22p
1
C162
2x22p
2x22p
34
XE151
2
R911
/2 16V
1
1
Not_assembled
EXC24CB102U
L151
1
2
3
4
2
5
J305
GND
C159
2 /2 10n
J306
R167
1
/2 16V
34
16
0
XE156
XE152
XE158
XE165
1u0
C163
/2 16V
1
1
XE164
R168
XE150
1
GND
L156
30nH
1
3
4
2x22p
C162
2 /2 22p
EXC24CB102U
L153
1
2
B150
Not_assembled
MICP
MICN
MICN
EXC24CB102U
L150
1
2
3
4
R168
/2 16V
2
2
GND
C156
NOT_ASSEMBLED
27p
12
XE154
1
R167
2
/2 16V
30nH
L155
34
GND
2
/2 16V
R161
/2 10n
2
C164
/2 10n
1
C164
2
15
C159
1 /2 10n
2
/2 16V
R911
Not_assembled
1
3
GND
XE157
XE159
NOT_ASSEMBLED
C152
27p
27p
X151
Not_assembled
1
2
2
4
XE155
EXC24CB102U
L152
1
2
3
XE166
4
GND
0
0
1
5
R190
100k
R161
/2 16V
1
1
12
0
1
XAUDIO(17:0)
6
AUDIO(6:0)
HOOKINT
UIDRV(5:0)
AUDUEMCTRL(3:0)
PUSL(3:0)
GENIO(31:0)
MIC(2:0)
SLOWAD(6:0)
IHF(1:0)
EAR(1:0)
G_AUDIO(11:0)
MCBSP2(5:0)
APE_AUDIO(4:0)
APE_GPIO(15:0)
IHF_XEAR(1:0)
XMIC(2:0)
XEAR(3:0)
HEADINT(1:0)