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● The MIDI does not work.
First, refer to 〔4〕 【D】 and run it in the check mode.
If it functions normally, the problem might be in the MIDI device connected to it.
If it does not function normally, try the following solutions.
Possible Cause 1 : Are the IN and OUT terminals correctly connected?
Solution 1 : Check the connection.
Possible Cause 2 : The connector may be disconnected.
Solution 1 : Check all connectors and cables, as well as the LINE board.
Possible Cause 3： The switch board may be faulty.
Solution 1 : Check the soldering surface of LINE board, as well as the board itself. If no
● No sound comes from the headphone.
Possible Cause 1 : Is the headphone plug not fully inserted?
Solution 1 : Plug it in firmly.
Possible Cause 2 : The headphone may be out of order.
Solution 1 : Try to connect the headphone to another device and recheck.
Solution 2 : Try to use another headphone.
Possible Cause 3 : The connector may be disconnected.
Solution 1 : Check all connectors and cables as well as the LINE board.
Possible Cause 4 : The switch board may be faulty.
Solution 1 : Check the soldering surfaces of the LINE board, as well as the board itself. If
【C】 Problems with the Pedal
● The pedal does not work for the electronic sound play.
Possible Cause 1 : A connector may be disconnected.
Solution 1 : Check the connectors of sound source unit.
Solution 2 :
Possible Cause 2 : The position adjustment of the pedal sensor may be incorrect.
Solution 1 :
Possible Cause 3 : The pedal sensor may be faulty.
Solution 1 : Refer to
Solution 2 : Replace the pedal sensor.
● The pedal effect carries on for electronic sound.
Possible Cause 1 : The position adjustment of the pedal sensor may be incorrect.
Solution 1 :
clue is found, replace the board.
no clue is found, replace the board.
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