Troubleshooting - Yamaha Clavinova CLP-270 Owner's Manual

Troubleshooting

Problem
The power of the Clavinova does not
turn on.
There is a clicking noise when you
press the [POWER] button to turn
the power on or off.
Noise is heard from the Clavinova.
The overall volume is too low.
Or, there is no sound at all.
The keyboard volume is lower than
the song playback volume.
Sound is still heard from the speak-
ers even though headphones are
plugged in.
Feedback occurs when you turn
iAFC on.
Damper pedal does not function, or
notes are sustained even though the
damper pedal is not pressed.
102
CLP-280/270 Owner's Manual
Cause
The power cable is not plugged in
(check at the Clavinova and at the
electrical outlet).
This is caused by the electrical
power within the instrument.
A portable telephone is being used
near the Clavinova (or the ring tone
is sounding).
The [MASTER VOLUME] dial is low-
ered.
The volume level for the keyboard
performance is set too low.
Headphones are connected (only if
the Speaker setting is "Normal
HeadphoneSW"). (page 88)
Speaker setting is off.
Local Control is turned off.
"Expression" is assigned to the right
pedal or the AUX pedal.
The volume level for the keyboard
performance is set too low.
Speaker setting is On.
iAFC was not automatically adjusted
correctly.
The plug of the pedal cable is not
inserted into the [PEDAL] jack.
Solution
Insert the power cable plug firmly
into the Clavinova and into the elec-
trical outlet of the correct voltage.
(page 15)
This is not a malfunction.
Turn off the power of the portable
telephone located near the Clavi-
nova. Noise may be heard if a porta-
ble telephone is used near the
Clavinova or if the ring tone occurs.
Raise the [MASTER VOLUME] dial.
(page 16)
Move the [SONG BALANCE] slider
toward the keyboard to increase the
keyboard volume.
Disconnect the headphone plug.
Set [Speaker] to "Normal" or "ON".
(page 88)
Set Local control ON. (page 90)
Assign any function other than
"Expression" to the pedal.
Move the [SONG BALANCE] slider
toward the keyboard to increase the
keyboard volume.
Set the speaker setting to "Normal
(HeadphoneSW)". (page 88)
Turn iAFC OFF, and perform the
automatic adjustment (page 82)
Plug the pedal cable firmly into the
[PEDAL] jack. (Refer to "CLP-280/
270: Keyboard Stand Assembly"
beginning on page 109.)