Yamaha CLP-990M Owner's Manual download pdf (Page 100)

100 CLP-990

Troubleshooting

Problem Cause Solution

The Clavinova does not turn on.

The Clavinova has not been

plugged in properly.

Securely insert the female plug into

the socket on the Clavinova, and

the male plug into a proper AC out-

let. (See page 19.)

A click or pop is heard when the

power is turned on or off.

Electrical current is being applied to

the instrument.

This is normal, and is no cause for

concern.

Noise is heard from the Clavinova’s

speakers.

The noise may be due to interfer-

ence caused by the use of a mobile

phone in close proximity to the

Clavinova.

Turn off the mobile phone, or use it

further away from the Clavinova.

The overall volume is low, or no

sound is heard.

The [MASTER VOLUME] is set too

low.

Raise the [MASTER VOLUME]

level. (See page 20.)

Headphones are connected.

Unplug the headphones. (See page

20.)

The Local Control function is turned

off.

Turn the Local Control function on.

(See page 85.)

The pitch and/or tone of the piano

voices in certain ranges do not

sound right.

The Clavinova’s piano voices

attempt to precisely simulate actual

piano sounds. However, as a result

of sampling algorithms, overtones

in some ranges may sound exag-

gerated, producing a somewhat dif-

ferent pitch or tone.

This is normal.

Mechanical noise is heard during

performance.

The Clavinova’s keyboard mecha-

nism simulates the keyboard mech-

anism of a piano. Mechanical noise

is also heard on a piano.

This is normal.

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