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【D】 Problems with emmitting Sounds
● No acoustic or electronic sound comes out even if a key is depressed.
Possible Cause 1 : Does the shank stop rail stay at the position where the action goes in and out?
Solution 1 :
Possible Cause 2 : If the demo tune is playing normally, the connector of the hammer sensor might be
disconnected.
Solution 1 : Check if the connector of the sensor is disconnected. The connector is located
Solution 2 :
Solution 3 :
Solution 4 : Check if one of the relay connectors inside the sound source unit is disconnected.
● No sound comes from any of the 4th keys.
Possible Cause 1 : The connector is disconnected or the cable is broken.
Solution 1 : If this happens at the second and following sections of the sensor PWB, check
Solution 2 : If you cannot solve the problem following Solution 1 or if the error happens
Solution 3 : Check if the sensor relay (2) is broken.
Possible Cause 2 : Failure of FPGA board.
Solution 1 :
● Only a certain key does not emit sound or it rarely does.
Possible Cause 1 : The hammer stop position at the mute mechanism is too far from the string. Or the sensor
does not detect it well.
Solution 1 :
Solution 2 :
Possible Cause 2 : The shutter is missing or broken.
Solution 1 :
Possible Cause 3 : Something is abnormal with the sensor.
Solution 1 : Replace the board.
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