User Guide

Nokia Customer Care 2115i/2116/2116i (RH-66) Schematics / Layouts 2115i/2116/2116i (RH-66)
Issue 1 03/2005 ©2005 Nokia Corporation Company Confidential Page A-5
Audio
"MIC1N"
"MICB1"
"HF"
"MIC1P"
Place at B2100
AUDIO AMPLIFIER
"XMICP"
"EARP"
"XEARN"
IHF
"HOOKINT"
"XMICN"
N150, Audio Amplifier, and connected
"HFCM"
MICROPHONE CONTACTS
Capacitors should be placed near
"MIC2P"
"MIC2N"
EARPIECE CONTACTS
IHF CONTACTS
514B011
"MICB2"
GND
"EARN"
to VBAT & GND pins.
"XEARP"
C2116
100n
C2104
47p
/2 1k02
R2103
GNDB1,B2=
A1
IN-
A2
Vo1IN+
A3
C1
Bypass
Vo2
C2
_Shutdwn
C3
1
2x1k0
470R
R2111
GND
B3=
LM4990ITLX
N2100
VBAT
J2104
R2102
/2 100n?
2x100n
C2102
47k
2x1k0
/2 1k01
R2101
1
6
GND
GND
AGND1
AGND1
2x1k0
R2104
/2 1k0
0
NOT_INSTALLED
B2101
OUT
1
GND
2
C2108
2/2 100n
0
1
R2100
22n
C2112
/2 5R62
34
3
R2108
1 /2 1k0
C2118
22p
R2107
47k
C2108
/2 100n1
47p
C2105
100n
39p
C2109
AGND1
C2101
180k
R2113
39p
C2106
GND
0
C2100
R2101
39p
2x1k0
/2 1k02
0
1
C2114
1u0
1 /2 5R6
R2100
2x1k0
/2 1k02
R2104
1
/2 100n?
2x100n
C2102
5
GND
R2112
5k6
R2110
1 /2 5R6
J2104_B
VBAT
C2111
2n2
R2106
2
/2 1k0
34
NOT_INSTALLED
B2100
AGND1
C2115
R2108
12
VBAT
2
C2110
100n
/2 1k0
2
AGND1
C2113
22n
240R/100MHz
L2101
VBAT
240R/100MHz
L2100
1u0
C2117
J2105
AGND1
/2 1k01
2x1k0
R2103
12
R2109
2
/2 1k0
2x1k0
34
R2105
/2 VWM16V?? /2 VWM16V
R2105
1
/2 1k0
R2109
GND
C2107
3
2
2x1k0
GND
J2105_B
39p
R2106
/2 1k0
12
4
/2 5R62
28
1
J2101
4
R2110
IHF_P
IHF_N
AGND1AGND1
J2100
AUDIO(6:0)
GENIO(31:0)
XAUDIO(17:0)
XEAR(3:0)
EARP
ACI
EARN
XMIC(2:0)
MIC1P
MIC1N