Hi. My problem is when turning on aoto accomp, there is no sound and whole of the left hand side keys are inoperative, using the music database also fails but easy song arranger works fine as does the keyboard without auto accomp. think it may be a defective module, but has i live in the west of ireland and there is no yamaha service centre in the republic am a bit lost...any assistance would be appreciated on
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There is a well documented problem that occurs with the keybed on some of these models due to a manufacturing fault. Take a look at the keys that are sticking. Is the gap on either side of the key the same ? If not then the key normally leans slightly to the left rubbing on the adjacent key causing the sluggish action. The fixing tab at the back of the key breaks causing the spring pressure to push sideways.
You can just replace the offending key but the problem will eventually return. You could replace the whole keybed but this is a very expensive fix.
Keys are around £ 15.00 each.
Replacement keybeds around £ 450.00
It depends exactly on the model of keyboard you have but in short look for the accompaniment button normally on the left hand side. With this pressed you can then get 1 finger chords in the left hand ( 2 fingers will give minor or 7th options ) check your handbook
That is NOT touch response, but velocity sensing. Each key has two contacts and one closes before the other to facilitate measuring the key velocity. In your case, it sounds like the key you are holding down has a bad disconnect diode in the key matrix and is holding the "first contact" signal true so the next key senses max closure speed. If you are not electronically adept, you need to take it in for servicing... however first tip the thing and vibrate it as some contamination MAY be shorting a line in the key matrix. Staples and paper clips are notorious problems with keyboards when they get into the key area.
The keyboard takes only a specialist to fix the problem. Its also very delicate. The best you can do is to reset it and if the resetting does not work, then you will have to take the keyboard to a repairman to fix it for you.
Firstly, connect a headphone to the keyboard and observe if it will give a good sound. if it gives a good sound, then it means the speaker for your keyboard may have loosed contact or gotten burst.
But if it does not make any sound with the headphone, then it might be a board or sound ic problem. You can also try resetting the resetting the keyboard to default.
Turn off the keyboard, press and hold the last white key and turn the keyboard on while still holding the white key. The keyboard will then restore to its factory default.
If that doesn't solve the problem, you will have to dismantle the keyboard, use a meter to read the panel/board in order to detect the fault and do every necessary replacement. Also, you can do a deep cleaning, by cleaning all the dust in it.
If you can't do any of this, then you will end up taking is to a repairing man to fix the problem for you.
You might check settings first. The keyboard might be set to a mode where those keys have some function besides notes. Try a master reset and see if hings start working.
If it was working and now those keys don't, a fault has probably developed. There may be problems with connections to the keyboard, or there's been a component failure.
Sometimes getting into these things and accessing the keyboard is a challenge, and it's possible to do more harm than good. If it needs repair, you're probably better off taking the keyboard to a musician's store in your area and asking them to give you an estimate for the work (or to recommend a servicer if they don't do the work themselves).