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Transported Roland KR-177, toppled - pedal assy needs replacing

Transported Roland KR-177, toppled - everything OK but cable from pedal assembly pulled out of jack on back of unit. Local tech says only option is to replace the pedal assy. I think the assy would just be the pedals, the small black housing containing the pedals and the circuit board, and the cable. Are these available? Anyone have the assembly for sale? Thanks much! Rick

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  • Roland Master
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Good grief! FInd a tech that knows what he is doing. You can replace the plug and/or the jack. Each is a few dollars at most. You can even do it yourself. If you can see where wires went just buy new parts. They are probably available even at Radio Shack.

Posted on Oct 03, 2009

Testimonial: "Good advice, but someone who examined the carnage said there were either four or five wires (can't recall) and the plug to the machine has eight pins."

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How do I octav shift on the roland kr 3500 keyboard.It has been off for about 6 months.


Contact Roland directly
http://shop.rolandus.com/home/contact/614.0.1.1

Roland USA
5100 S. Eastern Ave.
Los Angeles, CA
90040
US
Phone: 323-890-3700
Fax: 323-721-4875

Jan 20, 2018 | Roland Music

1 Answer

When I plug the damper pedal into my Roland ep 77 the damper comes on and stays on no matter if the pedal is pressed or not pressed.


Try plugging in the pedal with the Roland powered down or off. With the pedal plugged in, turn the Roland on again. The Roland should sense the polarity upon power up. If this doesn't work, I have had those pedals get defective right out of the box, so try this...Get a ¼ inch guitar or signal cable and plug that into the damper jack. The cable will represent an open circuit polarity since nothing is shorting out the leads. See if the EP77 is sustaining or if it is not. Alternately, try shorting the guitar cable by laying a piece of metal across the top and bottom of the jack. A pocket or kitchen knife or any bare wire will do. If this does not work, your assumption about the power supply may be correct.

Dec 26, 2014 | Roland Music

1 Answer

Are the currently manufactured Roland Home Piano series pedal assemblies compatible with the Roland HP237?


This wish an after market pedal, or the original 3's connector? If the keyboard is on when you plug and unplug that, it is likely due to a voltage reference getting confused. Usually when you get constant sustain then most likely a switch is stuck closed, or open, down there in the pedal. How these things work normally is that a pliable switch is opened, for sustain, or closed. It depends on the keyboard. Some keyboards have a setting inside them to accommodate both types of pedals, and some pedals have a switch to choose either. Your keyboard does not have a setting that I can tell, other than adjustments for a resonance option (nice feature). I am not sure the newer RPU-3 pedal is compatible, it seems to be for the newer models. If you are handy with a volt meter, then can check the cable's pins for a common, then a pin that changes with each pedal (use continuity mode, beeps when circuit is closed). Could be a piece of dust is in there, or hair or carpet stuff, and a good cleaning would fix that from blocking the normal function. Manual Link: http://media.rolandus.com/manuals/HP-237_OM.pdf

Aug 02, 2014 | Roland Hp337 Digital Piano

2 Answers

Cable on dp 10 is damaged...can I replace


It looks like the cable terminates into a 1/4" stereo or 3 wire plug.

Best: I recommend going to Radio shack or an audio store and buying a 1/4" stereo plug/ with cable that has one end loose and attaching the loose end to your foot pedal. I do not know why it is stereo unless there are 2 pedals but if so ,you will need to determine which wire works on which pedal so leave pedal cover loose until you test it. I have replaced these before.
OK method: The cable can be spliced using solder and heat shrink to isolate the wires. Use probably 1//8 to 3/16" shrink for the wires and 1/4" to 3/8" shrink over the whole job. Keep each wire separate by color type.If the wire is too hard to twist it may be a special type that can be connected using terminal strips(radio shack has them) or use wire nuts and tape them.

Sep 02, 2012 | Roland Elektronische Musikinstrumente...

1 Answer

Replace broken hammer key on roland kr 575


I've actually repaired two broken hammer keys on my Roland KR-575, after paying $250 (TWICE) for a repairman to come to my house and fix two other keys.
The repair I completed was about four of five years ago. I searched the internet and found great instructions to print out. Unfortunately, I can't find them again. HOWEVER, I did find this video: Roland Keyboard Repair. It shows you the hardest thing about the repair - how to take the cover(s) off to get to the keys! The video is not as detailed as the instructions I used before - but pretty good. The parts cost me about $25.

Unfortunately (for me) I have yet another key to fix now. This time I will take pictures and notes and update here with my results. It might take several weeks though (I'm trying to finish a big school project). In the mean time, try the video. I don't recommend trying super-glue like the video says, but sometimes finding parts is difficult, so I guess that might be an option if you couldn't get the parts easily. I just don't think a weight repaired with super glue will last very long.

Here are a few suggestions to find the parts you will need:
My other advice is to keep careful track of all the different screws you take out - and away from kids, grandkids, and pets - so you can put them back in the right place after your key repair is finished. (The screws that is ;)

Apr 22, 2012 | Roland Music

1 Answer

We took our roland KR-177 to a roland service center and they said the motherboard was bad and they are no longer available. Where do i find a new motherboard?


The motherboard is probably not available... You haven't mentioned any symptoms of the problem you are having. Some service centers really don't want to be bothered and give up too easily.

Feb 07, 2011 | Roland Music

1 Answer

I was looking at a 2nd hand KR 103 to buy. If while playing notes the damper pedal is pressed all sound is muted. Is there a function switch or something that needs swiching on to get it to work? The...


Please note that ROLAND equipment USUALLY uses Normally closed (electrically) damper pedals for their equipment. Most other brands use normally open ones. If you are using a non-Roland pedal, that is likely the problem.

SOME PEDALS require opening and changing a wire (involves soldering) to match the unit you are plugging into. A very few have a switch on them to allow changing polarity.

A few synths, like the Yamaha Tyros have a built in setup screen where one can select the polarity of the attached pedals.

Sep 23, 2010 | Roland Dp 2 Damper Pedal

1 Answer

I have a Roland HP 2e digital piano - Foot pedal problem


The ROLAND pianos USUALLY require that you use a normally closed sustain pedal.

MANY pedals are the opposite and close when pressed. SOMETIMES you can open the pedal and reverse the way the switch works.

Oct 05, 2009 | Roland Music

1 Answer

Roland DP-2 pedal not functioning correctly.


There are two types of damper pedal switches, on that is closed until you press it, and one that closes when your press it. It sounds like your Casio is expecting one type and your Roland pedal is the other type. A quick way to test this is to plug a guitar cable into the Casio pedal input and see if the keyboard sustains. If it does, then your Casio requires an "normally closed" switch.

Some pedals have a small switch near the cord or even on the bottom of the pedal that will reverse the switching operation (BOSS pedals, a division of Roland, have this feature). If you can find that, then change the switch position and you should be OK.

If not, and you feel like digging into your pedal, you could take the bottom off of the pedal and check out the switch itself. Many pedals use a switch that can be used either way. The clue will be on the switch itself. If there is an extra tab on the switch that is unused, then switch the wire that is furthest away from that tab to that tab. This will probably involve soldering, but it is nearly impossible to damage anything.
If moving the wire that is furthest away does not do anything, then try putting that wire back and switching the other one.

If your pedal does NOT have an extra tab, you're SOL, unless you want to buy a replacement switch (unsure of make). If this is the case, you are probably better off getting a different damper pedal - preferably one that is marketed as "universal"

Jul 02, 2009 | Roland Dp 2 Damper Pedal

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