Roland JX3P buttons 9-16 are failing

Pulling out your hair? Don't know what to do or where to go? Ask in here.
Forum rules
READ: VSE Board-Wide Rules and Guidelines

If your Help request has been solved, please edit your first post in order to select the Image Topic Icon to let others know your topic has been solved.

Roland JX3P buttons 9-16 are failing

Postby JohnTron » Tue Jul 20, 2010 6:24 pm

I got this 3P a few months back and already the buttons for patches 9-16 are going out. They work sometimes for a few seconds, but I need to open her up and clean 'em I guess. I have virtually zero experience in these matters. And I've tried to get into the 3P before to no avail. Anyone have experience that can lend me some advice? Thanks.
"In the end, we'll agree, we'll accept, we'll immortalize."
Jon Anderson - Yes
User avatar
JohnTron
Newbie
Newbie
 
Posts: 39
Joined: Tue Mar 10, 2009 9:50 pm
Location: California
Gear: Cowbell

Advertisement:

Re: Roland JX3P buttons 9-16 are failing

Postby rhino » Tue Jul 20, 2010 7:05 pm

no cleaning to these. They are sealed tactile switches. You'll have to replace them (all). I've got a JX3 on the shelf. Will check to see if I can find a replacement part# from Mouser.
A warning: Much dis-assembly and careful soldering is needed. Maybe need a tech.
"A thing may seem impossible...until it's done."
--Nelson Mandela
User avatar
rhino
Supporting Member!
Supporting Member!
 
Posts: 2494
Joined: Sat Aug 02, 2008 5:00 pm
Location: kentucky hills
Real name: bill
Gear: keepers:
Kurzweil K2500x
Ensoniq TS-12
Yamaha SY-99
Alesis QS-8
Roland JD-800
Roland JX-10
Akai AX-80
Ensoniq SQ-80
Korg DSS-1
Moog Mini
Fizmo

Re: Roland JX3P buttons 9-16 are failing

Postby JohnTron » Tue Jul 20, 2010 10:14 pm

OK, thanks for the help rhino.
"In the end, we'll agree, we'll accept, we'll immortalize."
Jon Anderson - Yes
User avatar
JohnTron
Newbie
Newbie
 
Posts: 39
Joined: Tue Mar 10, 2009 9:50 pm
Location: California
Gear: Cowbell

Re: Roland JX3P buttons 9-16 are failing

Postby EmptySet » Fri Jul 23, 2010 8:14 am

I posted a question a week or two ago asking if anyone knew a replacement for these switches, but no one responded. I've taken apart my JX3P and pulled out a couple switches and they definitely look different than any others I've seen before. (they aren't standard tactile switches like on a Juno 106) They are sealed, so there's not really a good chance of opening and reconditioning them (at least as far as I can tell). One thing I did notice… I repeatedly pressed one switch I took out and it seemed to work better when I reinstalled it. I'd love to replace all of the switches on mine, but my fear is that this part is too unique and no longer made. I'd love to be proven wrong though. One option that you could pursue (I've done this) is to purchase the MIDI upgrade that is available on the web… when you install that, then you can issue program changes via MIDI and it doesn't matter that the button switches don't work. That's not ideal of course, but now I have full control of my 3P.
User avatar
EmptySet
VSE Review Contributor
VSE Review Contributor
 
Posts: 472
Joined: Sun Jul 02, 2006 10:33 am
Location: Illinois, USA
Gear: MS20, x0xb0x, JV-1080, JX-3P, JX-8P(PG800), Juno Stage, VFX-SD, VL-1, ARP Omni I, D-50, DW6000

Re: Roland JX3P buttons 9-16 are failing

Postby Ry-Fi » Fri Jul 23, 2010 8:39 am

I'm not familiar with these switches in particular, but...

Is it not conceivable that you could desolder them and then soak them in isopropanol for a few days?

FWIW, I've repaired sealed switches before in this manner (from a DW8000). After letting them soak for a while, I kept them submersed and then repeatedly clicked them dozens of times, watching until the tiny air bubbles weren't getting released any more, letting me know their innards were thoroughly filled with the isopropanol. After letting them soak for about a day, and then drying them out (including fervently clicking them a bunch to prompt the release of any of the iso in them), I soldered them back in and they worked fine.
Ry-Fi
Supporting Member!
Supporting Member!
 
Posts: 212
Joined: Thu Jan 31, 2008 9:40 am
Location: Regina, SK
Gear: Ion, MKS-30, MKS-50, SQ-1+ 32-voice, TX81Z

Re: Roland JX3P buttons 9-16 are failing

Postby rhino » Mon Oct 11, 2010 5:11 pm

UPDATE.

May have found a way of replaceing these with newer tact switches. Working out the details now.
"A thing may seem impossible...until it's done."
--Nelson Mandela
User avatar
rhino
Supporting Member!
Supporting Member!
 
Posts: 2494
Joined: Sat Aug 02, 2008 5:00 pm
Location: kentucky hills
Real name: bill
Gear: keepers:
Kurzweil K2500x
Ensoniq TS-12
Yamaha SY-99
Alesis QS-8
Roland JD-800
Roland JX-10
Akai AX-80
Ensoniq SQ-80
Korg DSS-1
Moog Mini
Fizmo

Re: Roland JX3P buttons 9-16 are failing

Postby EmptySet » Mon Oct 11, 2010 10:16 pm

rhino wrote:UPDATE. May have found a way of replaceing these with newer tact switches. Working out the details now.


That would be AWESOME!
User avatar
EmptySet
VSE Review Contributor
VSE Review Contributor
 
Posts: 472
Joined: Sun Jul 02, 2006 10:33 am
Location: Illinois, USA
Gear: MS20, x0xb0x, JV-1080, JX-3P, JX-8P(PG800), Juno Stage, VFX-SD, VL-1, ARP Omni I, D-50, DW6000

Re: Roland JX3P buttons 9-16 are failing

Postby rhino » Sat Oct 23, 2010 4:00 pm

UPDATE:

followed several dead-end kluges... none I'd be proud of.

Anybody have a couple of dead JX3p switches they can send me? The ones on mine still work, and I need a body for a post-mortem.

thanks
"A thing may seem impossible...until it's done."
--Nelson Mandela
User avatar
rhino
Supporting Member!
Supporting Member!
 
Posts: 2494
Joined: Sat Aug 02, 2008 5:00 pm
Location: kentucky hills
Real name: bill
Gear: keepers:
Kurzweil K2500x
Ensoniq TS-12
Yamaha SY-99
Alesis QS-8
Roland JD-800
Roland JX-10
Akai AX-80
Ensoniq SQ-80
Korg DSS-1
Moog Mini
Fizmo

Re: Roland JX3P buttons 9-16 are failing

Postby EmptySet » Sun Oct 24, 2010 6:01 am

Mine all work, but varyingly so. Otherwise I'd send you one. (I'd still prefer a half working one instead of none, in case we dead-end here).
User avatar
EmptySet
VSE Review Contributor
VSE Review Contributor
 
Posts: 472
Joined: Sun Jul 02, 2006 10:33 am
Location: Illinois, USA
Gear: MS20, x0xb0x, JV-1080, JX-3P, JX-8P(PG800), Juno Stage, VFX-SD, VL-1, ARP Omni I, D-50, DW6000

Re: Roland JX3P buttons 9-16 are failing

Postby rhino » Sun Oct 24, 2010 6:58 pm

A heads-up

Some guy in the UK has ten working used ones on Ebay.

"A thing may seem impossible...until it's done."
--Nelson Mandela
User avatar
rhino
Supporting Member!
Supporting Member!
 
Posts: 2494
Joined: Sat Aug 02, 2008 5:00 pm
Location: kentucky hills
Real name: bill
Gear: keepers:
Kurzweil K2500x
Ensoniq TS-12
Yamaha SY-99
Alesis QS-8
Roland JD-800
Roland JX-10
Akai AX-80
Ensoniq SQ-80
Korg DSS-1
Moog Mini
Fizmo

Re: Roland JX3P buttons 9-16 are failing

Postby rhino » Tue Nov 30, 2010 6:54 pm

Just got an Email from Technology transplants (chipsfor brains)

they have limited quantity of NEW FACTORY NOS switches for sale at $3.50 each.

NOTE: These are the switches ONLY --- NOT the chrome caps OR white spacers---

These will get you gonig if cleaning won't cure some dead ones

http://www.technology.transplant@gmail.com
"A thing may seem impossible...until it's done."
--Nelson Mandela
User avatar
rhino
Supporting Member!
Supporting Member!
 
Posts: 2494
Joined: Sat Aug 02, 2008 5:00 pm
Location: kentucky hills
Real name: bill
Gear: keepers:
Kurzweil K2500x
Ensoniq TS-12
Yamaha SY-99
Alesis QS-8
Roland JD-800
Roland JX-10
Akai AX-80
Ensoniq SQ-80
Korg DSS-1
Moog Mini
Fizmo

Re: Roland JX3P buttons 9-16 are failing

Postby EmptySet » Wed Dec 01, 2010 7:11 am

rhino wrote:Just got an Email from Technology transplants (chipsfor brains)
they have limited quantity of NEW FACTORY NOS switches for sale at $3.50 each.
NOTE: These are the switches ONLY --- NOT the chrome caps OR white spacers---
These will get you gonig if cleaning won't cure some dead ones
http://www.technology.transplant@gmail.com


Great news! Thanks for keeping us posted about this. Very useful.
User avatar
EmptySet
VSE Review Contributor
VSE Review Contributor
 
Posts: 472
Joined: Sun Jul 02, 2006 10:33 am
Location: Illinois, USA
Gear: MS20, x0xb0x, JV-1080, JX-3P, JX-8P(PG800), Juno Stage, VFX-SD, VL-1, ARP Omni I, D-50, DW6000

Re: Roland JX3P buttons 9-16 are failing

Postby cornutt » Thu Dec 02, 2010 5:07 am

Are you guys sure it's the switches themselves? This sounds to me like a scanning problem. Say, a ribbon cable going to the panel board that isn't making good contact.
Switches, knobs, buttons, LEDs, LCD screens, monitors, keys, mice, jacks, sockets. Now two joysticks!
User avatar
cornutt
Moderator
Moderator
 
Posts: 1875
Joined: Sun Dec 02, 2007 6:03 am
Location: Rocket City USA
Gear: 6th

Re: Roland JX3P buttons 9-16 are failing

Postby THEODICY » Thu Dec 02, 2010 7:53 am

cornutt wrote:Are you guys sure it's the switches themselves? This sounds to me like a scanning problem. Say, a ribbon cable going to the panel board that isn't making good contact.

Agreed. Doesn't seem logical that all of the sudden one half of the buttons fail. Open the synth up and inspect, or look at the schematic and follow the voltage.
THEODICY
Active Member
Active Member
 
Posts: 344
Joined: Fri Oct 19, 2007 2:06 am

Re: Roland JX3P buttons 9-16 are failing

Postby smoothcriminal » Thu Dec 02, 2010 10:14 am

Ry-Fi wrote:I'm not familiar with these switches in particular, but...

Is it not conceivable that you could desolder them and then soak them in isopropanol for a few days?

FWIW, I've repaired sealed switches before in this manner (from a DW8000). After letting them soak for a while, I kept them submersed and then repeatedly clicked them dozens of times, watching until the tiny air bubbles weren't getting released any more, letting me know their innards were thoroughly filled with the isopropanol. After letting them soak for about a day, and then drying them out (including fervently clicking them a bunch to prompt the release of any of the iso in them), I soldered them back in and they worked fine.


Interesting, why does this work? Is it a corrosion issue typically when tactile switches fail? I always assumed it was some kind of mechanical failure. I have an AX60 with some failing buttons...
smoothcriminal
Active Member
Active Member
 
Posts: 603
Joined: Mon Mar 15, 2010 4:39 pm
Real name: Matt

Next

Return to HELP!

Who is online

Users browsing this forum: No registered users and 3 guests

cron