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http://support.casio.com/manuallist.php?rgn=1&cid=008 The link i have attached is a direct to Casio's website and their user manuals. i dont think the one your looking for is on the however, you might find a model very similar to yours to use as a reference. is there a problem your having with the keyboard?
Hi! When I turn on my keyboard it shows "03.2" on the multifunction display and the lights of "Split", "Digital effect" and "Touch response" remain "ON" and in someway it get blocked for the most of the functions. I cannot turn off that lights. Please, help me!!! You can answer me to email@example.com Thank you very much
That is a good detailed description. The factory reset is a good idea.
It sounds like a corrupted firmware. 12 volt instead of 9 volt is not a big overload, depending on the design. The fact that the adapter was very hot points to a serious electronic fault perhaps occuring. If the amp rating of the 12 volt one is adequate, this is probably the case. The 12 volt adapter could also get very hot if it is under rated for the job, which gives no real information about the fault.
It is possible that the electrolytic capacitors in the power supply could have been stressed and the power supply is now inadequate. The service manual would be handy in this scenario. If the digital electronics is corrupt or damaged, the chance of an economic fix is much less.
In Casio Chord mode, the bottom keys up to the second F plays Bass Chords. The Keyboard is just putting the keys you play back into bass when you get up that high. If you read along the plastic edge above where they keys come out of the keyboard, it shows you where the Chord keys end and the Keyboard begins. If you want use of all the Octaves, slide the power switch to the first setting (normal).
I've worked on a lot of keyboards and they're all different.
Unless you have the service manual, a good set of electronic tools and have the time, don't attempt it, take it to a keyboard services specialist. If they know what they're doing, you'll get you keyboard back in good working condition.
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).