— 4 —
Note: Each key has two contacts, the first conatct
1
and second contact
2
.
CIRCUIT DESCRIPTION
Key Matrix
Key
Second contact 2
First contact 1
FI
KC
SI
F#3 G#3 A#3
C#4 D#4
F#4 G#4 A#4
C#5 D#5
F#5 G#5 A#5
F3
G3
A3
B3
C4
D4
E4
F4
G4
A4
B4
C5
D5
E5
F5
G5
A5
B5
C6
D#3
C2
D2
E2
F2
G2
A2
B2
C3
D3
E3
B6
A6
G6
F6
E6
D6
C7
C#3
A#2
G#2
F#2
D#2
C#2
A#6
G#6
F#6
D#6
C#6
Nomenclature of Keys
KC0
KC1
KC2
KC3
KC4
KC5
KC6
KC7
FI0
C2
1
C#2
1
D2
1
D#2
1
E2
1
F2
1
F#2
1
G2
1
SI0
C2
2
C#2
2
D2
2
D#2
2
E2
2
F2
2
F#2
2
G2
2
FI1
G#2
1
A2
1
A#2
1
B2
1
C3
1
C#3
1
D3
1
D#3
1
SI1
G#2
2
A2
2
A#2
2
B2
2
C3
2
C#3
2
D3
2
D#3
2
FI2
E3
1
F3
1
F#3
1
G3
1
G#3
1
A3
1
A#3
1
B3
1
SI2
E3
2
F3
2
F#3
2
G3
2
G#3
2
A3
2
A#3
2
B3
2
FI3
C4
1
C#4
1
D4
1
D#4
1
E4
1
F4
1
F#4
1
G4
1
SI3
C4
2
C#4
2
D4
2
D#4
2
E4
2
F4
2
F#4
2
G4
2
FI4
C4
1
C#4
1
D4
1
D#4
1
E4
1
F4
1
F#4
1
G4
1
SI4
C4
2
C#4
2
D4
2
D#4
2
E4
2
F4
2
F#4
2
G4
2
FI5
E5
1
F5
1
F#5
1
G5
1
G#5
1
A5
1
A#5
1
B5
1
SI5
E5
2
F5
2
F#5
2
G5
2
G#5
2
A5
2
A#5
2
B5
2
FI6
C6
1
C#6
1
D6
1
D#6
1
E6
1
F6
1
F#6
1
G6
1
SI6
C6
2
C#6
2
D6
2
D#6
2
E6
2
F6
2
F#6
2
G6
2
FI7
G#6
1
A6
1
A#6
1
B6
1
C7
1
SI7
G#6
2
A6
2
A#6
2
B6
2
C7
2
Содержание Oriental Maestro AT1
Страница 1: ...ELECTRIONIC KEYBOARD AT 1 without price...
Страница 17: ...15 SCHEMATIC DIAGRAMS PCB JCM719 MA1M 8 9 10 11 2 21 12 13 14 15 20 1 4 3 5 6 7 22 23...
Страница 18: ...16 PCBs JCM719 CN1M CN2M MA2M 19 16 17 18...
Страница 19: ...17 PCBs JCM617T KY1M KY2M...
Страница 28: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 May 1995...