Question about Edirol PCR-30 EDRPCR30 Keyboard
My Edirol Keyboard was purchased recently and when it was setup only a few of the keys worked - i was told it was a problem with the key contacts and if i replaced them it should work fine. I have been sent the key contacts but could you please explain how to replace the existing ones correctly?
I have a PCR-30 here that has developed several dead keys over the years. I took the thing apart to clean the contacts and see if I could improve things -- unfortunately, it had the opposite effect, and I was left with only a few keys that *did* work.
I have since found a solution though, and now have a fully-functioning keyboard once again!
You'll need a tube of pure, dry graphite powder (only a couple of bucks from your local auto-supply shop), a tiny craft paintbrush, and a willingness to take your toy apart :)
Open the PCR up, and remove the springs holding the keys on. I used a slotted screwdriver to jam into each spring, and lift it off the hooks. I'd suggest keeping the keys in order to make it easier to put back together.
Now pull off the grey rubber contact sheets. Clean out any dust that's under there, but don't be too abrasive or use chemicals. We want to keep the existing contact material intact.
Put a little graphite powder in a small dish. You won't need much. It may seem a little clumpy, but it's actually extremely fine. So fine, in fact, that if you smear it on your fingers it feels greasy, despite being completely dry.
Dab your brush in there to break it up, and get the brush well-impregnated. Paint some powder on each of the contact surfaces both on the board side, and on the back of the grey rubber sheet. Be careful not to connect the spaces between the contacts on the board... graphite is highly conductive, and you don't want an always-on key.
As you smear each contact with graphite, you'll notice it become a little shinier if you look at an angle. You'll also get powder spattered around places, but don't worry. Just blow off the excess.
Once you've done all of the contacts, place the rubber sheets back on (this can be kind of a pain, getting all the pegs back in the holes. Hook it up and give it a test (just use your fingers to push the rubber pads), and repeat the process for any keys that still aren't working.
Once they're all back to 100%, replace the keys and reassemble. You're good to go!
Posted on Jul 27, 2008
Alternative solution DYI for Edirol PCR-50
had suggested using powdered graphite, but I just took an ordinary pencil and carefully coated the contacts.
Fixed the problem.
FYI pencil 'lead' is actually made of graphite.
Posted on Jun 27, 2010
I contacted Roland in the UK to see if they'd fix my PCR-50 which was displaying the same symptoms. They said they wouldn't repair it but would send me the replacement key contact parts. These cost around £12 and are replaceable without technical knowledge just a bit of time and patience as it involves removing each key and spring one by one.
All in all it took me about an hour to do this with my dad helping me and now my keyboard works again. You need to unscrew the top of the keyboard, unscrew the keyboard itself from the frame and then remove the springs and keys. Once they're all off (and laid out in order so you can put it back together) you just peel off the old rubber key contact sheets and push the new ones in to the holes (there are specific rubber lugs to go in here). Then the keys go back on the way you took them off (I found it easier to do the black ones first and the whites afterwards).
I'm happy not to have to spend another £100 or so on a new keyboard.
Posted on Mar 22, 2009
Im having the same type of issues.. though a little different, I'm running the keyboard through USB only. All of the controllers work just fine.. though non of the keys work... is that to be expected? excuse my lack of knowledge, but it never hurts to ask...
Thank you for any information. I greatly appreciate it =P
Posted on Jun 27, 2009
Contact Roland (323) 890-3700
They know they have a problem and will fix for free (you pay shipping to them) by replacing the keyboard assmbly. According to them... this new KB assbly will not create the same problem
Posted on Feb 17, 2009
I contacted ROLAND in Belgium. Be polite, short and consise so you don't waste their time. I hoped they had a fixed procedure for this on their site however marketing folks would have that easy solving solution blocked in no time ... typical ...
Posted on Mar 27, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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it depends what system you are running cetain programs and windows operating systems dont accept this shortcut
try going into controll panel clik keyboard and make sure hot keys are on
the only other reason is if you have eny other wireless functions running these can disrupt the signal from the keyboard to the computer turn off all wireless items and try agen
if none of these work try replacing the keyboard as it should work as long as hotkeys are on and the operating system you have accepts this function
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