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1
A
+D3.3V-1
MIDI OUT
R22
47 ohm
4
1
C21
1000pF
DGND-1
B
MIDI IN
4
1
C20
1000pF
C
DGND-1
DGND-1
D
1
2
5
R21
47 ohm
3
J10
C22
MIDI
1000pF
DGND-1
DGND-1
R17
220 ohm
D4
BAV99
5
U2
TLP181
1
3
J9
2
MIDI
C19
1000pF
R19
R18
C24
0.1uF
220 ohm
220 ohm
DGND-1
DGND-1
Approval
2
U9A
74LVC1G17
VCC
VCC
U9B
74LVC1G17
G G
+D3.3V-1
4
R20
10K
3
C23
Q1
0.1uF
MBT4401
DGND-1
DGND-1
Check
Design
REV
DATE
Description
3
+D3.3V-1
C165
0.1uF
DGND-1
USB
FULL-SPEED
MIDI_OUT.
VBUS-1
MIDI_IN.
J11
1
+VBUS
2
USB_MIDI_DM
D-
3
USB_MIDI_DP
D+
4
C157
0.1uF
R197
1M
DGND-1
Title:
LXAN USB MIDI
Size
Number
A4
PC13A022
Date :
2013/11/29
File Name:
USB MIDI.SchDoc
3
4
A
B
+D3.3V-1
1
2
3
4
5
C
6
7
CN101
DGND-1
D
Revision
0
Sheet
6
of
6
Design By :
ALESIS
4
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