Casio LK-125 Service Manual & Parts Guide

LK-125
– 4 –
CIRCUIT DESCRIPTION
KEY MATRIX

KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
KI0 C2 C2# D2 D2# E2 F2 F2# G2
KI1 G2# A2 A2# B2 C3 C3# D3 D3#
KI2 E3 F3 F3# G3 G3# A3 A3# B3
KI3 C4 C4# D4 D4# E4 F4 F4# G4
KI4 G4# A4 A4# B4 C5 C5# D5 D5#
KI5 E5 F5 F5# G5 G5# A5 A5# B5
KI6 C6 C6# D6 D6# E6 F6 F6# G6
KI7 G6# A6 A6# B6 C7
NOMENCLATURE OF KEYS

C2
C3 C4 C5
C6 C7
BUTTON MATRIX

KO8S KO9S KO10S KO11S
KI0S 0 5 TONE STEP 1
KI1S 1 6 RHYTHM STEP 2
KI2S 2 7 SONG BANK STEP 3
KI3S 3 8 PART SELECT SPEAK
KI4S 4 9
ONE KEY PLAY
LEFT
FINGERED
(POWER/MODE)
KI5S START/STOP
TEMPO DOWN/
VALUE
ONE KEY PLAY
RIGHT
CASIO CHORD
(POWER/MODE)
KI6S
TEMPO UP/
VALUE
KEY LIGHT
NORMAL
(POWER/MODE)
KI7S
SYNCHRO/
FILL-IN
DEMO
OFF
(POWER/MODE)

Casio LK-125 Specifications

General

Brand	Casio
Model	LK-125
Category	Musical Instrument
Language	English