45
GND
POWER +
POWER -
GND
+DATA
DATA
VBUS
GND
USB B'D
TO
ET
HERN
ET
B
'D
11/12
+3 3V OLED
ISELA
ISELB
GND OLED2
1 2mm
Board in Wire Hole
POWER SW
GND
LED CONT1
LED CONT2
NC
TO
F
RO
N
T B
'D
TO
F
RO
N
T B
'D
POWER SW B'D
VOLUME B'D
VR
10
R6
45
4.
7K
R6
46
4.
7K
R647
100
R648
100
C623
0
1u
F
C624
0.
1u
F
D6
02
OP
EN
D6
03
OP
EN
C626
0 1uF
4
1
JK
81
54321
BN
01
R625
0
R626
0
C663
0.
1u
F
C664
220/
6.
3V
R6
27
OP
EN
A
A
D6
15
OP
EN
A
A
D6
16
OP
EN
A
A
D6
17
OP
EN
C665
OP
EN
C666
OP
EN
R6
28
OP
EN
R6
29
OP
EN
C667
OP
EN
C668
OP
EN
C669 0.
1u
F
C670 1000P
C671
0.
01u
F
C629
OPEN
C630
OPEN
7654321
CN
82
J601
0
J602
0
JW61
R8
01
240
R8
02
120
C801
0.
1u
F
C802
0.
1u
F
SW
81
5
4
3
2
1
CN
83
R
G
D801
R630
0
R6
31
0
R6
62
OP
EN
R6
61
OP
EN
GND OLED2
+3 3V OLED E
GND C3
GND OLED2
+3 3V OLED E
GND LED
GND LED
GND C6
GND C6
8
7
6
5
4
3
2
1
A
B
C
D
E
F
SCHEMATIC DIAGRAMS (7/12)