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TACT switches for Roland Fantom X and V-Synth Rackmount Synthesizers
Old 1 week ago
  #1
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TACT switches for Roland Fantom X and V-Synth

So much gear from the 2000's had switches fail. I want to resurrect a Roland Fantom-X and a V-Synth. Are 'soft tact' something I could retro fit? What sort of switches do I need?
Old 1 week ago
  #2
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Bliprock's Avatar
Yes Tact switches - hard and soft- are replaceable if you can solder and also just as importantly you can desolder.

Either have service manual to see part or open the synth, I have the Fantom XR and none of my switches have died yet (the screen on the other hand) so have not had a look. OK I had a look for you just now as I had it opened up for the screen replacement and unfortunately the switches are recessed into another tear down part and i did not do that so cant tell. But I can assume they will be 4 pin tact switches. A simple google will show what they look like.
I have hard tact switches in my MPC1000 and I am always replacing them so its not really difficult.. Just open it up and have a look and search for tact switch on google. I have a local electronics shop that sell them for around $1.5o each
Old 1 week ago
  #3
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Thanks for replying. I have replaced Elektron controllers successfully. Its not as simple as "Just open it up" because the keyboard and 2 layers of boards have to come out. I have done that once to replace the display screen and will have to do it again because it is slightly off angle and has dust trapped there. LOL
Old 4 days ago
  #4
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Quote:
Originally Posted by HaveItAll View Post
Thanks for replying. I have replaced Elektron controllers successfully. Its not as simple as "Just open it up" because the keyboard and 2 layers of boards have to come out. I have done that once to replace the display screen and will have to do it again because it is slightly off angle and has dust trapped there. LOL
I did a full tact switch replacement on a V-Synth last year. I may still have the part number from Mouser sitting around. I do know that it was a royal PITA to get the front panel boards out. Once they're out, the replacement process went as you might expect - lots of careful unsoldering, cleaning the holes, and then resoldering new switches.

EDIT - found the post I made back in December 2017 when someone asked me -

Roland V-Synth tact switch replacements:

Mouser P/N: 688-SKQNAE
Mfg P/N: SKQNAED010
ALPS tact switches - round, 6.0x5.0mm 160gf

I ordered 60 and had 4 left over.

Service manual - I think I paid the $4 or whatever from SR Manuals to buy it on-line.

Note - since the service manual wasn't free, I don't feel it's my place to post/share it. The service manual has the test routine in it to verify that the rest of the V-Synth is working and calibrated. My YouTube video walking through the menus for that is probably still on-line.

Last edited by oldgearguy; 4 days ago at 03:56 PM..
Old 3 days ago
  #5
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Thank you, exactly what I needed. I'm aware of the Service Mode at start up for testing. All I need then is courage to get throught the tedious replacements and hope I don't get a silent pile of junk.


Quote:
Originally Posted by oldgearguy View Post
I did a full tact switch replacement on a V-Synth last year. I may still have the part number from Mouser sitting around. I do know that it was a royal PITA to get the front panel boards out. Once they're out, the replacement process went as you might expect - lots of careful unsoldering, cleaning the holes, and then resoldering new switches.

EDIT - found the post I made back in December 2017 when someone asked me -

Roland V-Synth tact switch replacements:

Mouser P/N: 688-SKQNAE
Mfg P/N: SKQNAED010
ALPS tact switches - round, 6.0x5.0mm 160gf

I ordered 60 and had 4 left over.

Service manual - I think I paid the $4 or whatever from SR Manuals to buy it on-line.

Note - since the service manual wasn't free, I don't feel it's my place to post/share it. The service manual has the test routine in it to verify that the rest of the V-Synth is working and calibrated. My YouTube video walking through the menus for that is probably still on-line.
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