Question about Roland Music

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I have a Roland for FP3 Digital piano keyboard need some help me where I can buy the Flat Flex Cables that connect the contact strips to the motherboard? They are a 22 pin and a 16 pin.

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  • Roland Master
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Roland would be a possible source.

Posted on Feb 18, 2019

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Posted on Jan 02, 2017

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  • 1140 Answers

SOURCE: Roland RD-700SX as MIDI keyboard

Theres a good article at recordingreview.com. If you join which is free you have access to a lot of great information. You can download Midiox to troubleshoot your midi connections etc. Make sure that your transmit channel on your keyboard matches up with the receive channel in your program. Hope this helps.

Posted on Jul 17, 2009

  • 5603 Answers

SOURCE: It's a Roland HP-7e digital piano about three years old.

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

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SOURCE: Have a HP 1700 Roland Digital Piano that has one

It sounds as if the membrane under the key needs to be replaced. It can be done with some careful work yourself but you might want to consider having it serviced by a Roland dealer as apparently the parts are becoming scarce. Hope this helps.

Posted on Aug 20, 2009

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SOURCE: 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.

Posted on Oct 06, 2009

  • 1140 Answers

SOURCE: Roland KR-5500 digital piano

Unless you are skilled at electronics troubleshooting, you would probably be better off taking it in to be repaired. It might be the power transformer or a filter capacitor or a number of other things. The problem may not even be visible. You will definitely need a schematic and some test equipment. Try this site:http://www.vintageplanet.nl/ or this site:http://www.rangeraudio.com/stock16.htm

Posted on Oct 18, 2009

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I Have a Casio Privia Digital Piano and a Roland DP-10 pedal. The pedal function is inverted. When I press it stops the sustain and the effect comes back when I release the pedal. The pedal does not have...


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.

Aug 05, 2011 | Casio Privia Px330 Px-330 88 Key Digital...

1 Answer

Roland f-50 First 7 right hand whites keys appear to have lost volume and sound off / flat.


One of the lines in the keyboard scanner has opened up. I have an idea what it might be and it is a nasty problem involving circuit traces that are silver conductive paint on a plastic insulating base that separate from a jumper at each end of the strip that the key contacts are made by conductive rubber pills pressed down by the keys. The contact of the flexible circuit under the keys to the jumper cable can be broken by vibration. I have an EPS7 with the problem and other than replacing the whole contact strip under the keys it really has no easy solution.You should probably have a Roland shop look at this problem. If your unit has this same arrangement it is repairable only by replacing the whole key contact strip.

Jun 08, 2011 | Roland Digital Piano FP4 Black With Stand...

1 Answer

Hi, I am undecided about which digital piano to buy: Yamaha Arius 141 or Roland F110? help appreciated, thanks, karol.


I have two Yamaha's and I will say they are maintainable. Almost ALL the weighted piano key models use a keyboard made by one company as I understand it. I can easily get service manuals for the Yamaha, not quite as easy for the Roland... same goes for repair parts. Your decision... listen to each and decide. Hint: Use a set of headphones to do the compparision rather than internal speakers as the orientation in a music store can drastically change the sound.

May 01, 2011 | Roland F110 Compact Digital Piano 4867

3 Answers

Hello- my P95 sustain pedal does not work when plugged in but the sustain works when you disconnect the cord from the back of the keyborad


This is confusing... you say "the sustain works when you disconnect the cord"? How can that happen? and doesn't work when it is plugged in.

MOST sustain pedal problems are due to people using a different pedal than the keyboard is designed to use. It is very common that someone tries to use a Roland sustain pedal on a Yamaha and oof course it doesn't work because the Roland pedal is normally closed and Yamaha usually requires a normally open contact.

A FEW keyboards now check the state of the pedal input when power is first turned on and configure the pedal polarity accordingly. For these keyboards, make sure the pedal is plugged in before power is turned on.

Apr 02, 2011 | Yamaha P95 Digital Piano

1 Answer

How to remove piano keys from Roland KR 4700


You probably need to just clean the circuit board and the conductive rubber contacts. There are two per key to facilitate reading the key velocity.

Use 99% isoprophyl alcohol and Q-Tips to clean both the board and the rubber contacts.

A rod is inserted lengthwise to hold the hammer weights while removing the boards. Use dowels from each end inserted about halfway back between the keys and the weight rods. Use a 1/4 inch dowel rod.

You have to take out a few screws to remove the boards from the key assembly. Be careful of the cables.

Mar 17, 2010 | Yamaha NP 30 76 Key Lightweight Digital...

1 Answer

My Roland Rd-500 has no sound....the factory demo


You either did not get the ribbon cable seated OR got it upside down.

If this cable is the flat ribbon with exposed solder plated points of contact, OFTEN those connectors have a latch to release by GENTLY moving tabs on eaither side in the direction of pulling the cable out. This lock MUST be moved out slightly to allow the cable to seat properly. The solder plated contacts will be FULLY into the connector when seated properly.

These cables ALSO can be inserted backwards and NO connection will be made.

Feb 14, 2010 | Roland Juno-D

1 Answer

I have a Technics digital piano with 1 dead key. The piano is about 10 years old and in great shape. The key stopped working after my toddler started banging on the keyboard. Is this fixable?


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.

Jun 22, 2009 | Music

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