Yamaha CNR-55 Owner's Manual (image) - Page 14

Troubleshooting Please note that the appearance of any of the following phenomena does not indicate a mechanical failure of the CNR-35/55. Problem A cracking noise is sometimes heard. Possible Cause and Solution Noise may be produced when either an electrical appliance is turned on or off, or an electric power tool (such as drill) is used in the proximity of the CNR35/55. 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. 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. 12 Because the CNR-35/55 is capable of producing The sound of the CNR-35/55 powerful bass sounds, resonance may be caused in causes surrounding objects to surrounding objects, such as cabinets or glass win- resonate. dows. To avoid this, relocate the objects or lower the CNR-35/55's volume. 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 / accompaniment) and the Expression Pedal as well as the MASTER VOLUME control. Chord/bass accompaniment doesn't sound at all while playback of the rhythm patterns even though playing the chords in the Auto Accompaniment Section of the keyboard (C1 - F#2). Check that the CNR-35/55 is not in "Automatic Accompaniment Off" condition. (See page 10) If the instrument is in that condition, simply turn the POWER off then turn it on again.