ENVELOPE GATE
DECAY
DECAY
DECAY
FILTER ENVELOPE
ENVELOPE
AMOUNT
TUNE
PWM FILTER
SAW/SQUARE
CUTOFF
RESONANCE2-POLE SVF
DECAY VCA
PITCH FEEDBACK
SQUARE
SAW
Keep VCO Running or Short F.B. Cap
to prevent 1st cycle error due to saturation
ENVELOPE
Copyright 2014-20 15 - Aka i Pro fessional
AES/CAN
9-79-0715-A-0
9-40-0715-A
ASSY NUM BER:
123456
D
C
B
A
C
D
B
A
COMPANY:
TITLE:
PART NUM BER:
FILENAME:
SCALE:
RELEASED:
DRAWN: DATED:
DATED:
SIZE:
SHEET: OF
**
#NAME?
AS D3 MAIN-Two PCB
AKAI PROFESSIONAL
2015/6/3
ASD3MNA00A_Sch.PrjPcb
+
3
-
2
1
1
NJM4580C
U43A
+
5
-
6
7
7
NJM4580C
U43B
8
8
4
4
U43C
10k 1%R 455
10k 1%R 451
4.99K 1%R456
4.99K 1%R493
MBT4401
Q53
20.0k 1%R 479
10k 1%
R480
10k 1%
R457
4.75k 1%
R446
1
23
MBT4403
Q49
4.75k 1%
R438
10k 1%R 481
10k 1%R 439
MBT4401
Q45
10k 1%
R418
MBT4401
Q41
1uF
C193
100k 1%
R430
1.24K
R422
MBT4401
Q37
3.32K
R408
1
1
2
2
3
3
500KA
P20A
4
4
5
5
6
6
500KA
P20B
20.0R426 20.0R414
47uF, 50V
C188
+
3
-
2
1
1
LM393
U33A
+
5
-
6
7
7
LM393
U33B
8
8
4
4
U33C
249k 1%R371
10k 1%
R370
24.9k 1%
R366
200k 1 %R383
1N4148W
D44
1
2 3
MBT4403
Q33
10k 1%
R358
10k 1%
R359
3300pF
C154
10k 1%
R392
1N4148W
D45
1N4148W
D46
750 ohm 1%R384
+
3
-
2
1
1
NJM45 80C
U34A
2.2uFC174
1
2
3
BAT54C
D40
75.0k 1%R 398
383 ohm 1%R 372
1N4148W
D36
24.9k 1%R 347
24.9k 1%
R348
1
23
MBT4403
Q29
10k 1%
R330
10k 1%
R331
3300pF
C145
1N4148W
D28
1500pF C178
1
1
2
2
3
3
10KB
P19
+
5
-
6
7
7
NJM45 80C
U34B
8
8
4
4
U34C
100k 1% R338
100k 1%R342
100pFC150
249k 1%
R346
+
5
-
6
7
7
NJM45 80C
U47B
1
1
2
2
3
3
10KB
P5
+
3
-
2
1
1
NJM4580C
U47A
8
8
4
4
U47C
11.3k 1%R508 14.3k 1%R491
10k 1%
R504
20.0k 1%R 492
0.1uF
C228
0.068uFC224
+
5
-
6
7
7
LM393
U9B
8
8
4
4
U9C
100K
R92
20.0K
R104
86.6KR108
15.0K
R84
402KR116
15.0K
R128
MBT4401
Q25
+
3
-
2
1
1
LM358
U17A
4.99K 1% R47
2.00k 1% R46
1.18k 1% R48
+
5
-
6
7
7
LM358
U17B
8
8
4
4
U17C
1
1
2
2
3
3
4
4
5
5
6
6
SWSSE22E07-7.5K
S1
1N4148W
D57
24.9k 1%R 460
4.99K 1%
R458
1
2 3
MBT4403
Q54
2.49k 1%R 459
1
1
2
2
3
3
10KB
P11
499
R141
21.0KR154
20.0k 1%R 153
1
1
2
2
+
3
-
4
5
5
NJM13 600M
U18A
51.1 OHM 1%
R192
16
16
15
15
+
14
-
13
12
12
NJM13 600M
U18B
7
7
8
8
NJM13600M
U18C
10
10
9
9
NJM13600M
U18D
3900pF
50V
C108
4.99K 1%R191
51.1 OHM 1%
R193
499K 1%R 190
4.99K 1%
R195
7.50k 1%R 194
130k 1%R189
130k 1%R155
4.99K 1%R158
249 OHM 1%
R157
249 OHM 1%
R159
3900pF
50V
C77
4.99K 1%
R160
511 OHM 1%R196
1
1
2
2
3
3
20KB
P12
20.0k 1%
R185
+
3
-
2
1
1
NJM45 80C
U13A
+
5
-
6
7
7
NJM45 80C
U13B
8
8
4
4
U13C
100k 1%R 96
100k 1%
R97
4.02K
R83
0.01uF
25V
C50
+
3
-
2
1
1
NJM45 80C
U3A
+
5
-
6
7
7
NJM45 80C
U3B
8
8
4
4
U3C
4.02K
R78
33.2
R63
49.9K
R71
33.2
R62
MBT4401
Q2
MBT4401
Q1
4.99K
R13
499
R12
33.2k 1%R30
4.99K
R11
20.0K
R14
20.0KR 29
499
R31
1.00k 1%
R5
22uF,16V
C1
1
1
2
2
3
3
10KB
P1
4.02K
R58
100KR70
3.3uF
C192
11
11
6
6
U18E
0.1uF
C200
0.1uF
C204
0.1uF
C167
0.1uF
C166
0.1uF
C159
0.1uF
C158
0.1uF
C209
0.1uF
C208
0.1uF
C38
0.1uF
C42
0.1uF
C99
0.1uF
C100
0.1uF
C58
0.1uF
C62
0.1uF
C90
0.1uF
C94
0.1uF
C10
0.1uF
C22
+
3
-
2
1
1
LM393
U9A
10.0MR 156
0.47uF
C68
1N4148W
D32
1.50k 1%
R1
TP62
TP67
TP23
TP27
TP31
TP5
TP1
TP19
TP15
TP11
TP45
TP58
TP66
TP54
TP49
TP35
100pFC216
100pFC86
1000pFC17
1000pF
C46
0.01uF
25V
C247
2.00K R567
7.50K R14049.9K R142
1000pF
C248
10.0KR229
10.0KR230
3.32KR231
4700pF
50V
C112
100pFC21
10.0MR98
0
R102
PWM_1
PITCH_1
SUSTAIN_1
ENV_TRIG VOICE1_LVOICE1_H
TUNE_1
+3.3V_PWM
VOICE1
-3.3PWM
-3.3PWM
AGND
VOICE1_H
VOICE1_L
ENV_TRIG
AGND
SUSTAIN_1
AGND
+12VA
AGND
+12VA
AGND
+12VA
-12VA
+12VA
AGND
+12VA
+12VA
AGND
AGND
AGND
+3.3V_PW M
AGND
PWM_1
+12VA
-12VA
AGND
+12VA
DGND
PITCH_1
+3.3V
+12VA
AGND
+12VA
-12VA
AGND -12VA
AGND
AGND
AGND
AGND
+12VA
AGNDAGND AGND
VOICE1
AGND AGND AGND AGND AGND AGND AGND AGND AGND
-12VA
+12VA
+12VA
TUNE_1
AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
AGND
AGND AGND
+3.3V_PWM
AGND
-3.3PWM
-3.3PWM
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