Casio LK-127 Service Manual & Parts Guide

LK-127
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D. Keyboard LED Check
D-1. Press the “TONE” button to perform the “LED Check”.
Automatically the keyboard LEDs are lit.
D-2. Check the following points.
• The conrmation tone sounds and the LEDs are lit in the order of numbers shown in the gure
below.
• There should be no key of which LED brightness is too bright or too faint.
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
E. LCD Check
E-1. Press the “STEP 1” button to perform the “LCD Check” and then check that the conrmation tone
sounds and also that all segments are lit.
E-2. Press the “STEP 2” button and then check that the conrmation tone sounds and also that all
segments are turned OFF.

Casio LK-127 Specifications

General

Brand	Casio
Model	LK-127
Category	Electronic Keyboard
Language	English