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1
2
A
B
C
D
1
2
3
4
R81
R85
22.1k
22.1k
BLM18EG601SN1D
2
FB54
C207
1
L
GND_ANALOG
Do not Populate
3
U3A
600 OHM
100pF, 25V
TL072CPWR
P10V_AUDIO
FB35
L15
C208
C124
+
1.2nH
C125
100pF, 25V
100nF, 50V
Do Not Populate
22uF, 16V
C263
9.1pF, 50V
Do Not Populate
RawiPod_L
GND_ANALOG
C231
R21
GND_ANALOG
R89
R90
Audio_Return
499R
RawiPod_R
22.1k
22.1k
1uF, 16V
D10
C127
5.6V
100nF, 50V
U3B
5
GND_ANALOG
C206
FB55
7
R
Do not Populate
6
600 OHM
100pF, 25V
BLM18EG601SN1D
TL072CPWR
R92
R94
22.1k
22.1k
3
4
5
iPod_L
P3V3
C126
100nF, 50V
U7
GND_DIGITAL
P3V3
1
20
NC
NC
iPod_R
2
19
MODE1
NC
I²C Address: 0x20
14
18
MODE0
NC
3
17
NC
NC
GND_DIGITAL
6
16
NC
NC
7
15
NC
NC
8
NC
9
21
NC
VSS
10
NC
GND_DIGITAL
D17
12
4
SCL3_3
I2C_CLK
nRESET
C2
13
BAT54
SDA3_3
I2C_SDA
GND_DIGITAL
R135
430k
GND_DIGITAL
Duo-i Plus iPod/iPhone Interface
5
6
7
Title
Size
Date:
File:
6
7
8
A
B
C
D
Integrated Products Division
300 Jubilee Drive
Peabody, MA 01960 USA
978.538.5000 FAX: 978.538.6226
Duo-I+
Number
Revision
D
iPod/iPhone Interface
3.0
9/10/2009
Time: 11:00:58 PM
Drawn By:
GlennR
Sheet
7
of
9
C:\BostonAcoustics\ClockRadio\Duo-I Plus\Hardware\iPod Interface.SchDoc
8
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