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Casio 7300IN won't power on


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Asif

 

Wiggle the plug where the power supply cable goes into the keyboard.  If the power goes off and on as you do this, then either the power supply's plug is bad or its mating connection in the keyboard is bad.  If this is not the case, wiggle the power supply cord toward the middle.  If the power goes on and off as you do this, then the power supply cord is bad.  If not.  Wiggle the power supply cord where it goes into the power supply.  If the power goes off and on as you doe this, then the power supply cord is bad at that point.  This is usually the result of wrapping the power supply cord around the power supply when it is not in use.  If the power supply plug is bad, you may be able to replace that, if you have experience and the tools for that.  If the power supply plug in the keyboard is bad, this will require opening the keyboard for repair.  If you do not have the experience or tools for this, it would be best to send the keyboard to a service center for repair, but without proper test equipment, you may not be able to tell which plug is bad - the one on the power supply cord or the one in the keyboard.  For a bad cord toward the middle, you may be able to cut out the bad spot, if you can locate it accurately, and splice the cord back together, here again, if you have the experience and tools for it.  Power supply cords broken at the point of entry into the power supply usually do not have enough cord slack to repair and require replacement of the power supply.  If the power supply has a removeable AC mains cord, wiggle that to see if there is a problem there.  If none of the above applies, insert a set of batteries into the keyboard.  If you get the same symptoms on batteries, then there is most likely a problem with one of the keyboard's internal connections or circuit boards, and it will need to go to a service center for testing and repair.  If the keyboard operates fine on batteries, but none of the cord tests applies, then most likely the power supply is defective and needs to be replaced.  If the power supply needs to be replaced, for any reason, you can use batteries in the mean time.  This is particularly true if you connect the 7300IN to an external sound system to where the batteries do not need to power the internal speakers.  In that case, the batteries will last quite a while, but it is best to remove them between uses, as heavily used batteries will sometimes split open and damage the battery connections when left in the device.

 

 

Good luck !

 

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