Question about Casio Computers & Internet
IT IS POSSIBLE THE SPEAKER SHORTED OUT BUT I HAVE A PROBLEM WITH THE EAR PHONE AND SPEAKER BEING BLOWING OUT TOGETHER, BECAUSE WHEN YOU PLUG IN THE EAR PHONE THE DEVICE SWITCHS THE SPEAKER OFF AND THE EAR PHONE WORK, YOU CANNOT HAVE BOTH WORKING AT THE SAME TIME UNLESS YOU HAS SOMEONE GO IN THE SYSTEM AND MAKE THAT ADJUSTMENT FOR YOU, THERE HAS TO BE A SHORTED WIRE SOMEWHERE, THE SPEAKER THEM SELF MAY HAVE A FUSE LINK SOME WHERE ELSE IN THE SYSTEM.
I WOULD TRY AND FIND THE SCHEMATICS FOR THE KB, SPEAKERS, MAYBE FRIED ON OF THE IC CHIPS ON THE BOARD. IF YOU FILL CONFORTABLE TAKING THING APART THAN TAKE IT APART AND SMELL AROUND THE CIRCUITS AND YOU WILL FIND WHERE THE SERGE HAPPENED, THAT SMELL LIKE MELTING PLASTIC.
Posted on Mar 05, 2009
One portion of the key scanning matrix has gone bad. First thing is to clean the contacts with 99% isoprophyl alcohol. These USUALLY consist of traces on a circuit board that conductive rubber "pills" under silicone rubber domes are pressed down. Each note usually has two contacts, one closes before the other. This creates "velocity" measurement for the key. IF ONE of the contacts for a key doesn't work, the velocity can detect that the note has actuated, but no release occurs.
This would be on the "STROBE" line for either the first or second contact for THE OCTAVE you have problem with. There are disconnect diodes that prevent sneak paths.
You could have one bad diode, a crack in the circuit board, or a bad connection to the keyswitch board.
Posted on Nov 27, 2009
SOURCE: I need a USB cord
Are you referring to the Casio WK-210 Keyboard.?
A User Guide can be found here:
Beginning of page 59 of the PDF file is a description of how to connect to your computer.
You are to use a commercially available A-B Type USB cable; meaning one end has a Type A connector for connecting to your computer and the other end a Type B connector for connecting to the keyboard.
The USB cable is not provided.
The cable is commonly available and could be purchased from any company that sells computer parts and cables.
Trust this is helpful. Please vote.
Posted on Dec 27, 2010
SOURCE: I do not know where
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Number of vote for this solution:5
Posted on Feb 17, 2011
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