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A
MAIN CIRCUIT
+5D
CN6
E
1
+5D 2
L41
0
SOFT 3
TO
L42
0
FJASP
SOSU 4
L43
0
CN6
SUST 5
L44
0
MRXD 6
L45
0
MTXD 7
CN9
+5D
E 1
SW 2
CHECK
TERMINAL
LED 3
R18
10K
+5D 4
CN8
MAC 1
PC1 2
PC2 3
MIDI 4
TO
MSEL 5
COM
TXD- 6
CN1
TXD+
7
E
8
RXD+
9
RXD-
10
UNLESS OTHERWISE SPECIFIED:
DIODES ARE MA111TX.
R15
1.5K
E
R16
1.5K
D
R17
1.5K
C
R10
470
B
R11
470
A
L50
0
L46
470
L47
470
L48
470
L49
470
R20
0
C23
B
D31
0.001
R21
0
C
+5D
Z11
10Kx4
R22
0
A
R23
0
D
IC5
T7WU04FTE12L
(TRIPLE INVERTER)
1 2 3 4 5 6 7 8
R36
X3
4.7K
QSXG2F0100DA
C24
100P
+5D
R4
2.2K
Q2
2SB709ARTX
C2
0.22
5MI
R6
D2
C1
1K
0.22
+5D
SNS
L35
D3
0
R8
100K
GND
+VCC
D21
+5D
C26
0.1
R35 1M
R25
0
C25
100P
B
D1
R5
MA8030HTX
1K
Q3
2SD601AQTX
R7
100K
C3
0.1
+5D
IC3
C11
M5M34051FPE2
0.1
(BUS TRANSCEIVER)
+5D
16
R111
VCC
10K
1
3
B
2
+5D
6
5
7
R112
1DE
4
10K
13
15
A
14
2DE
12
11
9
10
GND
8
IC4
T7WU04FTE12L
(TRIPLE INVERTER)
GND
+VCC
1 2 3 4 5 6 7 8
R26
470
C
+5D
R24 1M
X2
QSXG2FR614DA
C14
C13
100P
100P
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