Yamaha DGX-230 Owner's Manual download pdf (Page 92)

92 DGX-220/YPG-225 Owner’s Manual

Troubleshooting

Problem Possible Cause and Solution

When the instrument is turned on or off, a popping

sound is temporarily produced.

This is normal and indicates that the instrument is receiving electrical power.

When using a mobile phone, noise is produced.

Using a mobile phone in close proximity to the instrument may produce interfer-

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

when a song or style is being played back.

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.

Check the Local Control on/off. (See page 80.)

Playing keys in the right hand area of the keyboard

does not produce any sound.

When using the Dictionary function (page 70), the keys in the right hand area

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 recorded data of the song, etc. does not play cor-

rectly.

• The LCD display suddenly goes dark, and all panel

settings are reset.

The batteries are low or dead. Replace all six batteries with completely new

ones, or use the optional AC adaptor.

The style or song does not play back when the

[START/STOP] button is pressed.

Is External Clock set to ON? Make sure External Clock is set to OFF; refer to

“External Clock” on page 80.

The style does not sound properly.

Make sure that the Style Volume (page 76) is set to an appropriate level.

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/

STOP] button is pressed after selecting style number

121 or a style between 133–150 (Pianist).

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

playing when you play a chord in the accompaniment range of the keyboard if

style playback is turned on.

Not all of the voices seem to sound, or the sound

seems to be cut off.

The instrument is polyphonic up to a maximum of 32 notes. If the Dual voice or

Split voice is being used and a style or song is playing back at the same time,

some notes/sounds may be omitted (or “stolen”) from the accompaniment or

song.

The footswitch (for sustain) seems to produce the

opposite effect. For example, pressing the footswitch

cuts off the sound and releasing it sustains the sounds.

The polarity of the footswitch is reversed. Make sure that the footswitch plug is

properly connected to the SUSTAIN jack before turning on the power.

The sound of the voice changes from note to note.

This is normal. The AWM tone generation method uses multiple recordings

(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

[ACMP ON/OFF] button is pressed.

Is the [STYLE] button lit? Always press the [STYLE] button ﬁrst when you are

going to use any style-related function.

There is no harmony sound.

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-

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.

Appendix

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Yamaha DGX-230 Owner's Manual Page 92

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