Yamaha 205M User Manual

Page of 170
157
CVP-205/203
Troubleshooting
Problem
Possible Cause and Solution
The Clavinova does not turn on; there is no 
power.
Make sure that the Clavinova has been plugged in properly. Securely insert the 
female plug into the AC socket on the Clavinova, and the male plug into a proper 
A click or pop is heard when the power is 
turned on or off.
This is normal when electrical current is applied to the instrument.
Noise is heard from the Clavinova’s speakers.
Using a mobile phone in close proximity to the Clavinova may produce 
interference. To prevent this, turn off the mobile phone, or use it further away from 
the Clavinova.
The display is too bright or too dark to read.
The brightness of the display may be affected by the surrounding temperature; 
The keyboard volume is low compared to that 
of the Auto Accompaniment or song playback.
The overall keyboard volume or the independent volume level of the keyboard 
part may be set too low. Raise the MAIN/LAYER/LEFT volume voices or lower 
the STYLE/SONG volume in the BALANCE display (page 62).
The volume of the Auto Accompaniment or 
song playback is low compared to that of the 
keyboard.
The volume level of one or more accompaniment parts or song channels is set 
too low. Raise the part or channel level(s) in the appropriate MIXER display 
The overall volume is low, or no sound is 
heard.
The Master Volume is set too low; set it to an appropriate level with the 
[MASTER VOLUME] dial.
The volume of the individual parts may be set too low. Raise the volume of 
MAIN, LAYER, LEFT, STYLE, and SONG in the BALANCE display (page 62).
Make sure the desired channel is set to ON (page 62, 77).
Headphones are connected, disabling the speaker output. (This happens 
when the speaker setting is set to “HEADPHONE SW”; page 141.) Unplug the 
headphones.
Make sure the Local Control function is set to ON (page 137).
The damper, sostenuto and soft functions do 
not work for the relevant pedals.
Each pedal has been assigned to a different function. Make sure that each pedal 
is properly assigned to SUSTAIN, SOSTENUTO, and SOFT (page 131).
The damper pedal has no effect, or the sound 
continuously sustains even when the damper 
pedal is not pressed.
The pedal cable/plug may not be properly connected. Make sure to securely 
Not all simultaneously-played notes sound.
You may be exceeding the maximum polyphony of the Clavinova. When this 
happens, the earliest played notes will stop sounding, letting the latest played 
notes sound. See page 159 for information on the maximum polyphony.
Accompaniment style or Song playback does 
not start.
MIDI Clock may be set to “EXTERNAL.” Make sure this is set to “INTERNAL” 
Make sure to press the appropriate [START/STOP] button. To play an 
accompaniment style, press the STYLE [START/STOP] button (page 62); to 
playback a song, press the SONG [START/STOP] button (page 75).
“New Song” (a blank song) has been selected. Make sure to select an 
appropriate song in the SONG display (page 75).
The song has been stopped at the end of the song data. Return to the 
beginning of the song by pressing the [TOP] button (page 77).
Only the rhythm channel plays.
Make sure the Auto Accompaniment function is turned on; press the [ACMP] 
button.
The accompaniment style does not start, 
even when Synchro Start is in standby 
condition and a key is pressed.
You may be trying to start accompaniment by playing a key in the right hand 
range of the keyboard. Make sure to play a key in the left-hand (accompaniment) 
range of the keyboard.
The desired chord is not recognized or output 
by the auto accompaniment.
You may not be playing the correct keys to indicate the chord. Refer to “Chord 
Types Recognized in the Fingered Mode” (page 64).
You may be playing the keys according to a different fingering mode, and not 
the one currently selected. Check the accompaniment mode, and play the 
keys according to the selected mode (page 63).