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Troubleshooting
Appendix
Problem
When the instrument is turned on or off, a popping
sound is temporarily produced.
When the instrument is turned on, power is turned off
suddenly and unexpectedly.
When using a mobile phone, noise is produced
The instrument is automatically turned off even if no
operation is done.
• The volume is too soft.
• The sound quality is poor.
• The Style/Groove/Song/Arpeggio 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 set-
tings are reset.
• The instrument turns off when a USB flash drive is con-
nected.
No sound is produced even when the keyboard is
played, or a Song, Style, or Groove is being played back.
The footswitch (for sustain) seems to produce the oppo-
site effect. For example, pressing the footswitch cuts off
the sound and releasing it sustains the sounds.
Not all of the Voices seem to sound, or the sound seems
to be cut off, when playing the keyboard, Arpeggio, Style
or Song or Groove Creator.
The sound of the Voice changes from note to note.
The keyboard performance and playback of Style/Song/
Groove Creator produces an unexpected or inappropri-
ate sound, and cannot be restored to the normal status.
The Style, Song or Groove Creator does not start even
when the [START/STOP] button is pressed. The Arpeg-
gio does not start even when the note is pressed with the
Arpeggio turned on.
The volume of the Style, Song or Groove Creator is too
low.
The chords played in the left hand area cannot be recog-
nized even when ACMP is turned on.
Style parts other than the Rhythm part produce no
sound.
The ACMP indicator does not appear on the display
when the [ACMP ON/OFF] button is pressed.
Refer to the "Message List" on pages 42, 77 as required.
78
PSR-E463/PSR-EW410 Owner's Manual
Possible Cause and Solution
This is normal and indicates that the instrument is receiving electri-
cal power.
This is normal. If an AC adaptor other than the one specified is
used, power may be turned off suddenly and unexpectedly.
Using a mobile phone in close proximity to the instrument may pro-
duce interference. To prevent this, turn off the mobile phone or use
it further away from the instrument
This is normal. This occurs due to the Auto Power Off function
(page 16).
The batteries are low or dead. Replace all six batteries with com-
pletely new ones or completely recharged ones, or use the AC
adaptor.
Check whether a set of headphones or an audio cable is connected
to the [PHONES/OUTPUT], or not. When such a connection is
made, no sound is output from the speaker of this instrument.
(PSR-EW410) Check the on/off status of the Speaker Mute setting
(page 48). Make sure to set to OFF.
Check the on/off status of the Local Control (page 68). Normally,
set this parameter to ON.
The polarity of the footswitch is reversed. Make sure that the foot-
switch plug is properly connected to the SUSTAIN jack before turn-
ing on the power.
You have exceeded 48 simultaneous notes, which is the maximum
polyphony (the maximum amount of notes that can be played
simultaneously) of this instrument. If the Main, Dual, and Split
Voices are being used along with playback of Arpeggio, Style,
Groove or Song, some notes/sounds may be omitted (or "stolen").
This is normal. The tone generation method uses multiple record-
ings (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.
Using the Knobs can produce dramatic changes in the sound, but
may also produce unexpected or undesired sounds. If you want to
restore the original, normal sound before being changed by the
Knobs, press the [DSP] button to turn DSP off, change the Voice,
Style, Groove or Song, or press the [PORTABLE GRAND] button to
reset the panel settings.
Check the on/off status of the External Clock (page 68). Normally,
set this parameter to OFF.
Check the volume setting in the Functions (pages 62 and 65).
Check the Split Point setting (page 62). Set this to an appropriate
value.
Check the on/off status of the ACMP (page 26). Make sure to turn
ACMP on.
Check the on/off status of the [STYLE] lamp. When using a Style,
press the [STYLE] button to turn on the [STYLE] lamp.
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