Question about Casio WK-210 PACKAGE 76 Keys Electronic Keyboard with 570 High Quality Tones, FREE Stand, FREE Adapter and FREE Microphone

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One of my keyboard black keys is playing louder than usual what can i do?

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One of the two contacts of that key is dirty. This cause the key velocity to be read as maximum making it loud. The keyboard contacts are conductive rubber pills that press across circuit traces on a board under the keys. CLean the pills and the traces GENTLY with ONLY 99% isoprophyl alcohol and Q tips. Getting at the contacts requires a lot of careful disassembly of the keyboard to get at the contacts.

Posted on Apr 06, 2011

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The key contacts are dirty. There are two per key which is to measure the velocity. That is why the loudness varies because that key is firing quicker.

Disassemble and clean the contacts. They are conductive rubber.

Use ONLY 99% isoprophyl alcohol and Q tips to clean each rubber "pill" and the circuit board traces they contact.

Be careful of the ribbon cables when disassembling.

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