Question about Audio Players & Recorders
Our ten year old upright Baldwin concertmaster piano is too loud. I heard there wake a chip that could allow a softer sound, one that would still have all the keys being heard
Posted by Anonymous on
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Posted on Jan 02, 2017
If your piano is the same as mine, there is a rubber membrane with contacts imbedded in it that sits on top of a circuit board. The key pushes the contact in the membrane onto the contact causing a note on. What happens is the cylindrical part of the membrane that holds the contact can get torn and the contact will no longer travel in a straight line to trigger the note. The entire membrane strip has to be replaced. The strip on my piano was discontinued and I had to manufacture one from an extra Roland membrane that had some bad contacts in it. You will have to contact Technicsat www2.panasonic.com/webapp/wcs/stores/servlet/PNAEndecaSearchCmd for support. If you don't feel comfortable tackling the repair yourself consult a good piano tuner/repair place in your area for advice.
Posted on Jun 23, 2009
It sounds like you may have a compressor that is working hard against high pressure due to a dirty condenser or a condenser fan not running or blocked. If all is well otherwise, the mounting springs inside the compressor may have broken or are weak. The only fix then is a new compressor.
Posted on Jun 26, 2009
You may need to clean the contacts which are usually conductive rubber. I explained stuff for another Roland problem with two keys that were intermittent. I have an EP-7 that I had to do the cleaning of the key contacts. Use 91 or 99 % Isoprophyl alcohol to clean BOTH the conductive "pill" (Black under silicone rubber domes) AND the traces on the board where they press. Clean gently as the traces have a hard black coating.
Posted on Jul 29, 2009
The contacts of various switches and keys are likely dirty. They are often conductive rubber and need cleaning with 99% isoprophly alcohol and q-tip. Clean both the conductive rubber pill and th circuit board traces they contact.
Posted on Sep 17, 2009
SOURCE: I have owned a Technics
You don't tell us the model, but most have a "demo" button which is first pressed and then there sometimes is a start and stop button tto control it.
Posted on Aug 16, 2010
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