Technical Reference; Troubleshooting - Casio LK-130ES User Manual

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Technical Reference

Troubleshooting

Be sure to check the following table whenever you experience problems with keyboard operation.
Symptom
• No sound when keyboard keys
are pressed.
• Any of the following symptoms
while using battery power.
• Instrument does not turn on
• Display that is flickering, dim, or difficult to read
• Abnormally low speaker/headphone volume
• Distortion of sound output
• Occasional interruption of sound when playing at high volume
• Sudden power failure when playing at high volume
• Flickering or dimming of the display when playing at high volume
• Continued sound output even after you release a key
• A tone that is totally different from the one that is selected
• Abnormal rhythm pattern and Song Bank play
• Key light stays on.
• RITMO (RHYTHM) button
does not work.
EN-26
Cause
1. Power supply problem.
2. Volume setting is too low.
3. Headphones are plugged into
the keyboard.
4. The ALIMENTACIÓN/MODO
(POWER/MODE) selector is in
the ACORDES CASIO (CASIO
CHORD) or DIGITACIÓN
(FINGERED) position.
5. Tone "99 PERCUSSION" is
selected and you are pressing
keys that are not assigned tones.
• Low battery power
• Keyboard is waiting for play of
the correct note during Step 1
or Step 2 play.
• Keyboard is in the Song Bank
Mode.
Action
1. Correctly attach the AC
adaptor, make sure that
batteries (+/–) are facing
correctly, and check to make
sure that batteries are not dead.
2. Use the VOLUMEN (VOLUME)
slider to increase volume.
3. Unplug the headphones from
the PHONES/OUTPUT jack.
4. Normal play is not possible on
the accompaniment keyboard
while the ALIMENTACIÓN/
MODO
(POWER/MODE)
selector is set to ACORDES
CASIO (CASIO CHORD) or
DIGITACIÓN (FINGERED).
Change the ALIMENTACIÓN/
MODO
(POWER/MODE)
selector setting to NORMAL.
5. While "99 PERCUSSION" is
selected, you can use only keys
that are marked on the console
with illustrations of percussion
instruments.
• Replace the batteries with a set
of new ones or use the AC
adaptor.
1. Press the lit key to continue with
Step 1 or Step 2 play.
2. Press the INICIO/PARADA
(START/STOP) button to quit
Step 1 or Step 2 play.
• Press the CANCIÓN (SONG
BANK) button to return to the
normal mode.
See Page
Page EN-11
Page EN-14
Page EN-13
Page EN-17
Page EN-14
Page EN-11
Pages
EN-23, 24
Pages
EN-23, 24
Page EN-20

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