Yamaha DGX-220, YPG-225 Troubleshooting

Appendix

Troubleshooting

Problem	Possible Cause and Solution
When the instrument is turned on or off, a popping	This is normal and indicates that the instrument is receiving electrical power.
sound is temporarily produced.
	Using a mobile phone in close proximity to the instrument may produce interfer-
When using a mobile phone, noise is produced.	ence. To prevent this, turn off the mobile phone or use it further away from the
	instrument.
There is no sound even when the keyboard is played or	Check that nothing is connected to the PHONES/OUTPUT jack on the rear
	panel. When a set of headphones is plugged into this jack, no sound is output.
when a song or style is being played back.
	Check the Local Control on/off. (See page 80.)
Playing keys in the right hand area of the keyboard	When using the Dictionary function (page 70), the keys in the right hand area
does not produce any sound.	are used only for entering the chord root and type.
• The volume is too soft.
• The sound quality is poor.
• The rhythm stops unexpectedly or will not play.	The batteries are low or dead. Replace all six batteries with completely new
• The recorded data of the song, etc. does not play cor-
	ones, or use the optional AC adaptor.
rectly.
• The LCD display suddenly goes dark, and all panel
settings are reset.
The style or song does not play back when the	Is External Clock set to ON? Make sure External Clock is set to OFF; refer to
[START/STOP] button is pressed.	“External Clock” on page 80.
	Make sure that the Style Volume (page 76) is set to an appropriate level.
The style does not sound properly.	Is the split point set at an appropriate key for the cords you are playing? Set the
	split point at an appropriate key (page 65).
	Is the “ACMP ON” indicator showing in the display? If it is not showing press the
	[ACMP ON/OFF] button so that it does show.
No rhythm accompaniment plays when the [START/	This is not a malfunction. Style number 121 and style numbers 133–150 (Pia-
	nist) have no rhythm parts, so no rhythm will play. The other parts will begin
STOP] button is pressed after selecting style number
	playing when you play a chord in the accompaniment range of the keyboard if
121 or a style between 133–150 (Pianist).
	style playback is turned on.
	The instrument is polyphonic up to a maximum of 32 notes. If the Dual voice or
Not all of the voices seem to sound, or the sound	Split voice is being used and a style or song is playing back at the same time,
seems to be cut off.	some notes/sounds may be omitted (or “stolen”) from the accompaniment or
	song.
The footswitch (for sustain) seems to produce the	The polarity of the footswitch is reversed. Make sure that the footswitch plug is
opposite effect. For example, pressing the footswitch
	properly connected to the SUSTAIN jack before turning on the power.
cuts off the sound and releasing it sustains the sounds.
	This is normal. The AWM tone generation method uses multiple recordings
The sound of the voice changes from note to note.	(samples) of an instrument across the range of the keyboard; thus, the actual
	sound of the voice may be slightly different from note to note.
The wrong notes sound when the keyboard is played.	Perhaps the performance assistant technology is turned on.
	Press the [PERFORMANCE ASSISTANT] button to turn it off.
The ACMP ON indicator does not appear when the	Is the [STYLE] button lit? Always press the [STYLE] button first when you are
[ACMP ON/OFF] button is pressed.	going to use any style-related function.
	The harmony effects (01–26) behave differently according to their type. Types
	01–05 function when style playback is on, chords are played in the accompani-
There is no harmony sound.	ment range of the keyboard, and a melody is played in the right-hand range.
	Types 06–26 will function whether style playback is on or off. For types 06 = 12
	you need to play two notes at the same time.

92 DGX-220/YPG-225 Owner’s Manual