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● The.fallboard.does.not.open.and.close.smoothly.
Possible.Cause.1.:..The.cable.touches.the.fallboard.at.the.inner.left.side.of.the.piano.body.
Solution.1.:
Bundle and push backwards the cables using the binder.
● .After.releasing.the.Mute.mode,.additional.keystrokes.are.needed.before.the.piano.starts.
emitting.sounds.
Possible.Cause.1.:..The.mute.mechanism.does.not.function.well..
Solution.1.:
Replace the springs of the mute mechanism on the inner side of the piano and
on the action.
Solution.2.:
Loosen the screws on the drive part of the entire mute mechanism, and
adjust any distortion of the assembly.
【I】Problems with the Soundboard Speaker
● No.sound.comes.from.the.soundboard.speaker.
Possible.Cause.1.:..The.headphone.is.connected.or.in.use.
Solution.1.:
This is as designed.Plug off the headphone from the controller.
Possible.Cause.2.:..The.connector.may.be.disconnected.
Solution.1.:
Check the connectors of the sound source unit.
Possible.Cause.3.:..A.connector.inside.the.sound.source.unit.is.disconnected..
Solution.1.:
Referring to 〔6〕
【B】, open the sound source unit and check the connectors.
Possible.Cause.4.:..There.are.some.problems.with.the.sound.system.PWB.board..
Solution.1.:
Referring to 〔6〕 【B】, open the sound source unit and replace the sound
system PWB board.
● .Sound. comes. out. from. the. supplementary. speaker. on. the. pillar,. but. no. sound. comes.
from.the.soundboard..
Possible.Cause.1.:..Pressing.force.of.the.transducer.is.not.properly.adjusted..
Solution.1.:
Referring to 〔3〕
【F】, adjust the pressing force of the transducer.
Possible.Cause.2：The.cable.of.the.transducer.(actuator).is.disconnected..
Solution.1.:
Referring to 〔3〕 【F】, remove the actuator (transducer) cover and check the
connection of the cables.
Possible.Cause.3.:..The.transducer.(actuator).is.faulty..
Solution.1.:
Referring to 〔6〕
【M】, replace the actuator (transducer) board.
● .The.transducer.is.functioning,.but.no.sound.comes.from.the.supplementary.speaker.on.
the.pillar.
Possible.Cause.1.:..The.wire.inside.the.speaker.box.is.disconnected..
Solution.1.:
Referring to 〔6〕
【L】, check the wire inside the speaker box.
Possible.Cause.2.:..The.speaker.unit.is.out.of.order.
Solution.1.:
Referring to 〔6〕
【L】, replace the unit inside the speaker box.
