Troubleshooting - Radio Shack 735A-E-002A Owner's Manual

Troubleshooting

Problem
No keyboard sound
Any of the following symptoms
while using battery power.
• Dim power indicator
• 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
volumes
• Sudden power failure when
playing at high volumes
• 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 demo tune play
• Loss of power,
distortion, or low volume
when playing from
connected computer or MIDI
device
• Sudden power failure while
reading from or writing to a
diskette (WK-3500 only)
Auto Accompaniment does not
sound.
E-106
Possible Cause
1. Power supply problem.
2. Power is not turned on.
3. Volume setting is too low.
4. Playing in the accompaniment
keyboard area while the MODE
button setting is CASIO CHORD
or FINGERED.
5. Local Control is off.
6. Mixer channel 1 is turned off.
7. Mixer channel 1 volume setting
is too low.
8. The DSP volume parameter is set
too low.
9. The Expression value of the file
data played back on the SMF
player is too low.
Low battery power
sound
a
1. Accompaniment volume is set to
000.
2. Auto Accompaniment part
Channels 6 through 10 are turned
off.
3. Auto Accompaniment part
Channels 6 through 10 volume
setting is too low.
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 POWER button to turn
on power.
3. Use the VOLUME knob to
increase volume.
4. None of the accompaniment
mode indicators are lit, which
means Auto Accompaniment is
turned off.
5. Turn on Local Control.
6. Use the Mixer to turn channel 1
on.
7. Use the Mixer to raise the volume
setting for channel 1.
8. Increase the DSP parameter
value.
9. Exit then re-enter the SMF Player
Mode, or change the SMF Player
play-along part.
Replace the batteries with a set of
new ones or use the AC adaptor.
1. Use the ACCOMP VOLUME
button to increase the volume.
2. Use the Mixer to turn the channels
on.
3. Use the Mixer to raise the volume
setting for the applicable channel.
See page
E-16, 17
E-22
E-22
E-38
E-82
E-47
E-48
E-50
E-84
E-16, 17
E-46
E-47
E-48
735A-E-108A