Yamaha CNR-35 3 CNR-55 - Manual (Page 14)

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Please note that the appearance of any of the following
phenomena does not indicate a mechanical failure of the
CNR-35/55.
Problem Possible Cause and Solution
Troubleshooting
Check that the CNR-35/55 is not in “Automatic Ac-
companiment Off” condition. (See page 10)
If the instrument is in that condition, simply turn the
POWER off then turn it on again.
Chord/bass accompaniment
doesn’t sound at all while play-
back of the rhythm patterns even
though playing the chords in the
Auto Accompaniment Section of
the keyboard (C1 - F#2).
Because the CNR-35/55 is capable of producing
powerful bass sounds, resonance may be caused in
surrounding objects, such as cabinets or glass win-
dows. To avoid this, relocate the objects or lower the
CNR-35/55’s volume.
The sound of the CNR-35/55
causes surrounding objects to
resonate.
Interference from radio, TV, or
other sources occurs.
This is caused by the proximity of a high-power
broadcasting station or amateur ham radio setup.
The sound is too soft, despite
the volume being set to the
maximum.
Check all of the volume controls, making sure that
they are set to suitable levels: the ACCOMP./
RHYTHM VOL. control (When using rhythm / ac-
companiment) and the Expression Pedal as well as
the MASTER VOLUME control.
Noise may be produced when either an electrical ap-
pliance is turned on or off, or an electric power tool
(such as drill) is used in the proximity of the CNR-
35/55. If this occurs, plug the CNR-35/55 into an
electrical outlet located as far as possible from the
device that seems to be the source of the problem.
A cracking noise is sometimes
heard.
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