Casio LK-100 Service Manual

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CIRCUIT DESCRIPTION
C2 C3 C4 C5 C6 C7
NOMENCLATURE OF KEYS
KEY LED MATRIX
KO0
KO1
KO2
KO3
KO4
KO5
KO6
KO7
KI4
G4#
A4
A4#
B4
C5
C5#
D5
D5#
KI5
E5
F5
F5#
G5
G5#
A5
A5#
B5
KI2
E3
F3
F3#
G3
G3#
A3
A3#
B3
KI3
C4
C4#
D4
D4#
E4
F4
F4#
G4
KI0
C2
C2#
D2
D2#
E2
F2
F2#
G2
KI1
G2#
A2
A2#
B2
C3
C3#
D3
D3#
KI6
C6
C6#
D6
D6#
E6
F6
F6#
G6
KI7
G6#
A6
A6#
B6
C7
–
–
–
BUTTON MATRIX
KI4
4
9
ONE KEY
PLAY (L)
KI5
START/
STOP
TEMPO 
ONE KEY
PLAY (R)
KI2
2
7
SONG
BANK
STEP3
KI3
3
8
PART
SELECT
SPEAK
KI0
0
5
TONE
STEP1
KI1
1
6
RHYTHM
STEP2
KI6
TEMPO 
KEY
LIGHT
KI7
SYNCHRO
DEMO
KO8
KO9
KO10
KO11

Casio LK-100 Specifications

General

MIDI-keyboard number of keys	61 keys
Interface	USB
DC-in jack	Yes
Dimensions (WxDxH)	945 x 373 x 135 mm
Power requirements	9 V DC

Weight and Dimensions

Weight	4700 g