(Service Manual rev. 2) con disegni, schema elettrico

T.O.S.
13-note Top Octave Synthesizer
with
M083B1 / M082B1
MK50240 / MK50241
S50240 / S50241 / S50244
integrated circuits
Technical Manual
©2014 by Valter Narcisi – San Benedetto del Tronto (AP) - ITALY
http://www.narcisivalter.it/progetti/tos_m083.html
[email protected]
D
M1
Power Supply +
10-15 Vcc
D1
+V
1N4001
IN
C1
220uF
25v
D
+V
+
U4 OUT
78L05
C12
+5
C15
47nF
0.1
+
COM
C2
100uF
16v
R1
10
Frequency
Adj.
T1
100
3
CLR
1
R3
4k7
Fine
Pitch
R4
5k6
In A
+
In B
C3
22u
Tant.
15
9
13
Q
In A
10
4
Cext
In B
RCext
14
7
C4
348p
2,5 %
R5
1k78
1%
P1
100 Lin.
Q
Q
12
5
U2B
SN74221N
Q
RCext
R11
1k
11
CLR
U2A
SN74221N
2
R2
1k
C
1
VCC
+V
12
13
R9
8k2
R10
3k9
Cext
6
8
U3D
11
9
10
U3C
Q1
BC172C
1 MHz
C5
348p
2,5 %
R6
100k
R7
1k78
1%
C low
C#
D
U1
D#
MK50240
or
E
M083
F
2
F#
Clock
G
G#
A
A#
B
C high
GND
3
16
4
5
6
7
8
9
10
11
12
13
14
15
M2
Octave Output
1 2094 Hz
2 2216 Hz
3 2349 Hz
4 2487 Hz
5 2635 Hz
6 2795 Hz
7 2959 Hz
8 3134 Hz
9 3321 Hz
10 3520 Hz
11 3730 Hz
12 3953 Hz
13 4187 Hz
14 GND
C
R8
100k
C6
1n
+5
+V
C11
C13
B
U3B
6
4
R13
R14
330k
330k
R15
270k
C10
.33u
1n
1
+
5
2
P2
100k Lin.
Vibrato
Level
U3A
C14
0.1
3
0.1
16
U2
SN74221N
14
8
LFO (8-10 Hz)
B
U3
CD4011
7
C7
0.33u
C8
56nF
R16
100k
C9
56nF
Author:
T2
100k
Vibrato Speed adj.
Valter Narcisi - San Benedetto del Tronto (AP)
Project:
A
Size:
Note:
TOS - 13-note Top Octave Synth. with M083B1
—
DWG no.
1
Rev.:
1
Scale:
www.narcisivalter.it - [email protected]
1:1
Year:
Sheet:
2014
1 of 1
A
13-Note Top Octave Synthesizer (M082B1-M083B1-MK50240-MK50241-S50240-S50241-S50244)
Used
====
1
1
1
2
2
1
2
1
3
1
1
2
1
1
2
3
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Part Type
======================
220uF
100uF
22u
348p
1n
0.33u
56nF
.33u
0.1
47nF
10
1k
4k7
5k6
1k78
100k
8k2
3k9
—
330k
270k
78L05
100
100 Lin.
100k
100k Lin.
1N4001
BC172C
M083B1/MK50240
SN74221N
CD4011
2-Vie
14-Vie
Designator
===========
C1
C2
C3
C4 C5
C6 C11
C7
C8 C9
C10
C12 C13 C14
C15
R1
R2 R11
R3
R4
R5 R7
R6 R8 R16
R9
R10
R12
R13 R14
R15
U4
T1
P1
T2
P2
D1
Q1
U1
U2
U3
M1
M2
Description
=========================================================
Condensatore Elettrolitico
Condensatore Elettrolitico
Condensatore Elettrolitico
Condensatore Ceramico/Poliestere
Condensatore Ceramico/Poliestere
Condensatore Ceramico/Poliestere
Condensatore Ceramico/Poliestere
Condensatore Elettrolitico
Condensatore Ceramico/Poliestere
Condensatore Ceramico/Poliestere
Resistenza
Resistenza
Resistenza
Resistenza
Resistenza
Resistenza
Resistenza
Resistenza
Eliminata
Resistenza
Resistenza
Stab. Pos. 78L05 (100 mA)
Trimmer
Potenziometro
Trimmer
Potenziometro
Diodo
Transistor NPN
TOS - 13 Note Top Octave Synthesizer
SC74221N - Dual Monostable Multivibrators
CD4011 - Quad 2-Input NAND
Morsettiera 2 vie
Connettore 14 vie
12-Note Top Octave Synthesizer with M087B1 - ©2014 by Valter Narcisi - [email protected] - http://www.narcisivalter.it/progetti/tos_m083.html
12-Note Top Octave Synthesizer with M087B1 - ©2014 by Valter Narcisi - [email protected] - http://www.narcisivalter.it/progetti/tos_m083.html
MASTER - Copper side (Lato rame)
12-Note Top Octave Synthesizer with M087B1 - ©2014 by Valter Narcisi - [email protected] - http://www.narcisivalter.it/progetti/tos_m083.html
MASTER - Mirror side (specchio)
12-Note Top Octave Synthesizer with M087B1 - ©2014 by Valter Narcisi - [email protected] - http://www.narcisivalter.it/progetti/tos_m083.html
M1
Power Supply
(9-15 Vcc)
Gnd
C High
B
A#
A
G#
G
F#
F
E
D#
D
C#
C Low
Close pin 2 and 3
if you don’t use
the Fine Pitch pot.
T1
Master Clock
adjustment
0
P1 (100Ω Lin.)
Fine
PITCH
(Leave to the
middle position
during frequency
adjustment)
M2
13-note
Output
OCTAVE
T2
VIBRATO
SPEED
adjust.
MAX.
P2 (100KΩ Lin.)
VIBRATO
Level
(turn to the left
during frequency
adjustment)
13-Note TOP OCTAVE SYNTHESIZER with M083B1 / MK50240 - ©2014 by Valter Narcisi [email protected]
- http://www.narcisivalter.it/progetti/tos_m083.html
AMI
S50240 - S50241
S50243 - S50244
—
Chip Package: DIP16
Power Supply (min./max.): 5 ÷ 18 V
Power Supply (typ.): 9 ÷ 15 V
MOSTEK
MK50240 - MK50241
—
STMicroelectronics
M082B1 - M083B1
Duty Cycle: 50%
S50240 - S50243 - MK50240 - M083B1
Duty Cycle: 30%
S50241 - S50244 - MK50241 - M082B1
(C Low is always 50%)
13-note Top Octave Synthesizer
Pin
No.
1
VSS
2
Clock
3
VDD
4
C#
C Low
16
C High 15
B 14
A# 13
Freq. Output
Note
Div.
Master Clock (kHz)
999,680
1999,360
16
C Low
478
2091,38 Hz
4182,76 Hz
4
C#
451
2216,56 Hz
4433,17 Hz
5
D
426
2346,67 Hz
4693,33 Hz
6
D#
402
2486,76 Hz
4973,53 Hz
7
E
379
2637,68 Hz
5275,36 Hz
8
F
358
2792,40 Hz
5584,80 Hz
5
D
A 12
9
F#
338
2957,63 Hz
5915,27 Hz
6
D#
G# 11
10
G
319
3133,80 Hz
6267,59 Hz
11
G#
301
3321,20 Hz
6642,39 Hz
12
A
284
3520,00 Hz
7040,00 Hz
13
A#
268
3730,15 Hz
7460,30 Hz
14
B
253
3951,30 Hz
7902,61 Hz
15
C High
239
4182,76 Hz
8365,52 Hz
7
8
E
F
G 10
F# 9
Created by Valter Narcisi ©2014 [email protected]
http://www.narcisivalter.it/progetti/tos_m083.html
12-Note Top Octave Synthesizer with M087B1 - ©2014 by Valter Narcisi - [email protected] - http://www.narcisivalter.it/progetti/tos_m083.html