Troubleshooting - Casio MA-150 User Manual

Troubleshooting

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
Auto Accompaniment does not
sound.
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MA150_e_26-29.p65
Cause
1. Power supply problem.
2. Main volume is set to 0.
3. Headphones are plugged
into the keyboard.
4. T h e a c c o m p a n i m e n t
keyboard does not play
notes while CASIO CHORD
or FINGERED is selected as
the accompaniment mode.
5. Some keys are not assigned
a n y s o u n d s w h i l e " 4 9
PERCUSSION" is selected as
the tone.
6. Playing the keyboard does
not produce any sound
during playback of a Song
Bank tune or demo tune.
Low battery power
Auto accompaniment volume is
set to 0.
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Action
1. Correctly attach the AC
adaptor, make sure that
batteries poles (+/–) are
facing correctly, and check to
make sure that batteries are
not dead.
2. Press the VOLUME [ ]
button.
3. Unplug the headphones
f r o m t h e P H O N E S /
OUTPUT jack.
4. Change to the NORMAL
accompaniment mode.
5. Only keyboard keys in the
range of C3 through D5 (the
o n e s m a r k e d w i t h
p e r c u s s i o n i n s t ru m e n t
i l l u s t r a t i o n s ) p r o d u c e
s o u n d s w h i l e " 4 9
PERCUSSION" is selected as
the tone.
6. Stop Song Bank tune or
demo tune playback.
Replace the batteries with a set
of new ones or use the AC
adaptor.
Use the ACCOMP VOLUME
button to increase the volume.
03.10.8, 10:45 AM
Adobe PageMaker 6.5J/PPC
See page
Pages
E-10, 11
Page E-13
Page E-12
Page E-16
Page E-14
Pages
E-13, 20
Pages
E-10, 11
Page E-19
274B-E-028A