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LK-127
MAR. 2013
LK-127


CONTENTS

SPECIFICATIONS........................................................................................... 1

BLOCK AND WIRING DIAGRAM .................................................................. 2

PCB INFORMATION ....................................................................................... 3

CIRCUIT DESCRIPTION ................................................................................ 4

PRINTED CIRCUIT BOARDS......................................................................... 5

DISASSEMBLY ............................................................................................... 7

DIAGNOSTIC PROGRAM ............................................................................ 16

EXPLODED VIEW......................................................................................... 22

PARTS LIST .................................................................................................. 23

SCHEMATIC DIAGRAMS ............................................................................. 27
LK-127


SPECIFICATIONS

Keyboard 61 standard-size keys; 5 octaves
Key Light System Can be turned on and off (up to 4 keys can be lit at the same time)
Tones 100 presets
Polyphony 12 notes maximum
3-Step Lesson System Number of simultaneously lit keys; 4
3-Steps
Playback 1 tune repeat playback
Voice Fingering Guide On/Off
Auto-accompaniment
Rhythm Patterns 50 presets
Tempo Adjustable, (216 steps, 2 = 40 to 255), initial value; 120
Chords Two systems; CASIO CHORD, FINGERED
Other Fill-in pattern, Synchro start
Song Bank Tunes 100 tunes
Musical Information Function Tone, Auto Accompaniment, Song Bank numbers and names;
tempo, 3 step lesson display, chord name, fingering, timing indicator,
key lighting, voice fingering
Other Functions
Transpose F# to C to F: half-note
Tuning Adjustable A4 = Approx. 440 Hz