Casio LK-136 User Manual

EN-18
Reference
Troubleshooting
Symptom Action
Included Accessories
I can’t find something that should be here. Carefully check inside all of the packing materials.
Power Requirements
Power will not turned on. • Check the AC adaptor or make sure that the batteries are facing
correctly (page EN-7).
• Replace the batteries with new ones or switch over to AC adaptor
power (page EN-7).
The Digital Keyboard outputs a loud sound and then
suddenly powers down.
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-7).
The Digital Keyboard suddenly powers down after
30 minutes.
This happens when Auto Power Off (page EN-4) is triggered.
Display
If I don’t play anything for a few minutes, keyboard
keys suddenly start flashing. Things return to
normal after I press a keyboard key or a button.
Turn off the power on alert feature (page EN-4).
The display keeps going out or are flashing. Replace the batteries with new ones or switch over to AC adaptor
power (page EN-7).
On-screen keyboard keys or notes remain on the
display.
A Lesson Lite is in progress and the Digital Keyboard is waiting for
you to play the next note in the song. To stop this from happening,
cancel the lesson (page EN-14).
Screen contents are visible only from straight ahead. This is dues to production limitations. It does not indicate
malfunction.
Sound
Nothing happens when I press any keyboard key. • Adjust the main volume setting (page EN-8).
• Check if something is plugged into the PHONES/OUTPUT jack
(cn) on the back of the Digital Keyboard.
• Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-8).
Nothing happens or notes do not play normally
when I play notes on the left side of the keyboard.
Press 5 ACCOMP to disable chord input in the accompaniment
keyboard area (page EN-15).
Nothing happens when I start an Auto
Accompaniment.
• With rhythms 69 and 70, nothing will sound if you do not play a
chord on the keyboard. Try playing a chord (page EN-16).
• Check and adjust the accompaniment volume setting (page EN-17).
• Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-8).
Nothing happens when I start playback of a built-in
song.
• It takes a little time after you press the button until the song starts
to play. Wait for a moment for the song to start.
• Check and adjust the song volume (page EN-13).
• Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-8).
Notes keep sounding, without stopping. • Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-8).
• Replace the batteries with new ones or switch over to AC adaptor
power (page EN-7).
Some notes are cut off while they are playing. Notes are cut off whenever the number of notes being sounded
exceeds the maximum polyphony value of 32 (16 for some tones).
This does not indicate malfunction.
LK135-ES-1A.indd 20 2016/08/22 14:43:43

Casio LK-136 Specifications

General

Tones quantity	120
RMS rated power	4 W
Number of speakers	2
Maximum polyphony (notes)	32
Music memory capacity (songs)	100
Keys quantity	61 keys
Pre-recorded drum patterns quantity	70
Product color	Black, White
Headphone outputs	1

Weight and Dimensions

Depth	307 mm
Width	946 mm
Height	92 mm
Length	3500 mm