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E-33
CauseSymptom Action
• Keyboard keys light but no
sound is produced.
• RHYTHM button does not
work.
• Cannot change TRANSPOSE/
TUNE/LOCAL CONTROL
settings.
• No sound is produced when
playing MIDI data from a
computer.
• Playing on the keyboard
produces an unnatural sound
when connected to a computer.
• Power on alert is telling you that
power is left on.
• Keyboard is in the Song Bank
Mode.
• Keyboard is in the Song Bank
Mode.
• Demo tune play is in progress.
• MIDI cables are not connected
properly.
• The computer’s MIDI THRU
function is turned on.
• Press any button or keyboard
key to resume normal
operation with the keyboard in
its initial power on setting.
• Press the SONG BANK button
to return to the normal mode.
• Press the SONG BANK button
to return to the normal mode.
• Stop demo tune play.
• Connect MIDI cables properly.
• Turn off the MIDI THRU
function on the computer or
turn off LOCAL CONTROL on
the keyboard.
640A-E-035A
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See Page
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