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I have a Casio CDP-120 digital piano and I need disassembly instructions to service noisy keys

I'm concerned about taking out the wrong screws, so would appreciate specific instructions. And I had read that there's a thin layer of felt which should be reinforced. Perhaps someone could verify that, and suggest some methods that might work. Thanks.

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6ya6ya
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Posted on Jan 02, 2017

danforddan1
  • 192 Answers

SOURCE: Loose keys on my wonderful Technics digital piano

You would be very surprised of how few moving parts are in side one of these keyboards. There is no fix to the action,trust me. play the day lights out of it until it stops then get a new one. Have some fun and explore, if you find an old one that is shot, take it a part and you will see what I mean. These units are really a disposable instrument.
I hope this doesn't disappoint you . I hope it helped. Keep on rockin in the free world. DFD

Posted on Apr 13, 2009

  • 1137 Answers

SOURCE: Need to get instructions how to use the metronome

Check the manuals for the Eurogrand EG540/EG1040 (which are apparently similar but discontinued) at this site:http://behringer-en.custhelp.com/cgi-bin/behringer_en.cfg/php/enduser/std_alp.php?sm=2

Posted on Oct 18, 2009

Prestopick
  • 1 Answer

SOURCE: I need a service manual for Roland FP8 piano, or..

Did you ever get hold of an FP-8 service manual? The weight replacement is relatively simple: The case opens by removal of eight screws, four at each end on the underside. The top then hinges up. Keyboard assembly is removed by first unplugging the two white ribbon connectors at the center, then removing the screws at the front edge (underneath) and the screws (gold) at the back of the assembly (accessible from the top). Keys pop out by spreading the two "wings" at the pivot point, and then the weights (Roland calls them "hammers") lift out. Roland will sell you new ones, but I have no idea whether the replacements are any better than the originals. I've done two of these pianos so far, and have a third waiting to be worked on. I do have a service manual, but I think I downloaded it freebee somewhere.
The other failure mode on this piano is the electolytic coupling caps on the output board - I've replaced all of them on both pianos - don't remember the value offhand.
Paul Prestopino presto11@verizon.net

Posted on Nov 19, 2009

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SOURCE: Key won't come back up on Roland digital piano

Roland FP is a nice keyboard but has a known problem on cracking key weights. There is a counter weight under each key to push the key upward. There are two sizes of weight beams, longer one for white keys and shorter one for black keys. Roland did not make the original weight beams strong enough to last. They will crack and eventually break. When it happens, the key will stay down. Fortunately, they can be easily replaced.

Roland FP-8 has 4 black screws at the bottom on each side end. Remove the screws, flip the ends up and expose the interior. Near the hinge of the problematic key, carefully ply open the hinge tabs and remove the key from the hinge. You will find a weight beam under the key. Remove and inspect the weight. There should be a metal wrapped in a plastic beam. If the metal part is missing, find the missing part and replace with a new beam. You can order weight beams from Roland. It costs about $10 each plus shipping. Put everything back in the reversed order.

Posted on Jul 03, 2010

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SOURCE: I Have a Casio Privia

Yep... Roland pedals are reversed, that is, normally closed contacts. Unlike some Yamaha keyboards, the Casio doesn't have an inversion function available. You have two choices to solve this: 1. Buy a pedal with the corect sense 2. Open the Roland pedal and MAYBE with a soldering iron you can move a wire to select a contact with the opposite sense.

Posted on Aug 05, 2011

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