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Repairing a remote with non/poor-functioning buttons
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jetstar52



Joined: 16 Oct 2003
Posts: 153
Location: Sacramento, CA

PostPosted: Fri Nov 26, 2010 3:55 pm    Post subject: Repairing a remote with non/poor-functioning buttons Reply with quote

Recently the POWER key on my mother-in-law's beloved Big Easy URC-3300 stopped working. I knew that using rear window defogger paint would be a temporary fix at best, so after some internet research, I found someone who recommended using the conductive rubber from a disposable grounding wrist strap. The one I used is from a local electronic surplus store, and at 99 cents for a four-foot strap, it will fix an awful lot of keys. I cut a tiny square off and used doublestick tape to affix it to the bottom of the key. So far it's working perfectly.

Here's the one I used:
http://www.hmcelectronics.com/cgi-bin/scripts/product/5315-0017/3M-2209
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The Robman
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Joined: 01 Aug 2003
Posts: 18103
Location: Chicago, IL

PostPosted: Tue Mar 01, 2011 1:56 pm    Post subject: Need to repair worn out buttons? Reply with quote

I was just sent a link to this via email.

Chemtronics Rubber Keypad Repair Kit: $13.99
(Chemtronics Part #: CW2605 | MCM Order #: 20-3890)
http://www.mcmelectronics.com/product/20-3890

Here is another thread where someone tried to fix worn out buttons:
http://www.remotecentral.com/cgi-bin/mboard/rc-one4all/thread.cgi?5740
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Rob
www.hifi-remote.com
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Last edited by The Robman on Thu Feb 18, 2016 11:48 am; edited 1 time in total
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jetstar52



Joined: 16 Oct 2003
Posts: 153
Location: Sacramento, CA

PostPosted: Wed Mar 02, 2011 3:35 am    Post subject: Reply with quote

Recently the POWER key on my mother-in-law's beloved Big Easy URC-3300 stopped working. After some internet research, I found someone who recommended using the conductive rubber from a disposable grounding wrist strap. The one I used is from a local electronic surplus store, and at 99 cents for a four-foot strap, it will fix an awful lot of keys. I cut a tiny square off and used doublestick tape to affix it to the bottom of the key. So far it's working perfectly.

Here's the one I used:
http://www.hmcelectronics.com/cgi-bin/scripts/product/5315-0017/3M-2209
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The Robman
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Joined: 01 Aug 2003
Posts: 18103
Location: Chicago, IL

PostPosted: Wed Mar 02, 2011 10:05 am    Post subject: Reply with quote

That sounds like a pretty cool idea, but I'm surprised that double stick tape will hold it. How long ago did you fix it?

Another low cost solution, which is crude but apparently works, is to glue aluminum foil to the bottom of the warn out button.
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classicsat



Joined: 20 Feb 2004
Posts: 280

PostPosted: Wed Mar 02, 2011 5:10 pm    Post subject: Reply with quote

What kind of glue should be used? I tried contact cement (twice) on my 8910, but it didn't stick for long (twice).
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zaphod7501



Joined: 02 Aug 2004
Posts: 528
Location: Peoria Illinois

PostPosted: Wed Mar 02, 2011 9:57 pm    Post subject: Reply with quote

The Robman wrote:
That sounds like a pretty cool idea, but I'm surprised that double stick tape will hold it. How long ago did you fix it?
...

Myself, I'd go with double-sided carpet tape. Very thin, flexible, and sticks better than glue.
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jetstar52



Joined: 16 Oct 2003
Posts: 153
Location: Sacramento, CA

PostPosted: Thu Mar 03, 2011 11:34 am    Post subject: Reply with quote

Rob, the grounding strap rubber has been working for three months now.
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TheShanMan



Joined: 01 Oct 2006
Posts: 71

PostPosted: Sun Feb 05, 2012 1:00 am    Post subject: Restoring button pad conductivity Reply with quote

[for clarity, this post was the start of a new thread, but then it got merged with the post above to form a single combined thread]

I've followed instructions found in the forums here on cleaning the sheet of buttons with soap, water, and a toothbrush and cleaning the contacts on the pcb. It made a huge difference, but the most heavily used buttons still aren't "like new". Unlike other buttons, they require more than a "feather touch" to activate.

Because I like my remote and don't really feel like going through the process of determining what remote is the latest and greatest and best meets my needs, ordering, figuring out and programming button layouts, and then memorize the new button locations, I thought it might be nice if there is some way to re-coat the button pads with whatever conductive "paint" was applied to them originally. Has anyone ever done this? Is there something I can order (or buy locally somewhere) to make buttons like "select" and "play" work like the day I bought the remote again?


Last edited by TheShanMan on Sun Feb 05, 2012 1:25 pm; edited 1 time in total
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eferz
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Joined: 03 Jun 2010
Posts: 1078
Location: Austin, Texas

PostPosted: Sun Feb 05, 2012 3:22 am    Post subject: Re: Restoring button pad conductivity Reply with quote

TheShanMan wrote:
I thought it might be nice if there is some way to re-coat the button pads with whatever conductive "paint" was applied to them originally. Has anyone ever done this? Is there something I can order (or buy locally somewhere) to make buttons like "select" and "play" work like the day I bought the remote again?

http://www.hifi-remote.com/forums/viewtopic.php?p=93465#93465
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Remotes; JP1.2: Comcast URC-1067, JP1.3: Insignia NS-RC02U-10A, JP1.4 OARI06G, JP2.1: Cox URC-8820-MOTO (still trying to figure out how to make them self-aware.)


Last edited by eferz on Sun Feb 05, 2012 1:08 pm; edited 1 time in total
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TheShanMan



Joined: 01 Oct 2006
Posts: 71

PostPosted: Sun Feb 05, 2012 11:27 am    Post subject: Reply with quote

Interesting. However, I'd think that it would add too much thickness to the button compared to painting some chemical on, no? Worth looking into at least. Thanks for the link.
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eferz
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Joined: 03 Jun 2010
Posts: 1078
Location: Austin, Texas

PostPosted: Sun Feb 05, 2012 1:06 pm    Post subject: Reply with quote

TheShanMan wrote:
Interesting. However, I'd think that it would add too much thickness to the button compared to painting some chemical on, no? Worth looking into at least. Thanks for the link.

I would imagine the thickness of the ESD strap would be pretty negligible considering all it is is a copper film with adhesive backing. But, you should note there were two methods that can be extrapolated from that post, "rear window defogger paint" or the ESD strap. Whichever one you choose would be up to you.
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Remotes; JP1.2: Comcast URC-1067, JP1.3: Insignia NS-RC02U-10A, JP1.4 OARI06G, JP2.1: Cox URC-8820-MOTO (still trying to figure out how to make them self-aware.)
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TheShanMan



Joined: 01 Oct 2006
Posts: 71

PostPosted: Sun Feb 05, 2012 1:24 pm    Post subject: Reply with quote

Hmmm. It appears the 2 threads have been merged. Smile

I did sort of overlook the point about the defogger paint since it said "temporary at best" but I guess the question is what does "temporary" mean. If it's a year, then it's probably a viable option for consideration.

I figured an ESD strap would have a non-negligible thickness (at least in terms of the space between the button pad and the pcb) but again, definitely worth looking into.
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The Robman
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Joined: 01 Aug 2003
Posts: 18103
Location: Chicago, IL

PostPosted: Sun Feb 05, 2012 1:45 pm    Post subject: Reply with quote

You could try a product like this...
http://www.mcmelectronics.com/product/200-315&scode=GS201&CAWELAID=220224889
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Rob
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eferz
Expert


Joined: 03 Jun 2010
Posts: 1078
Location: Austin, Texas

PostPosted: Sun Feb 05, 2012 1:57 pm    Post subject: Reply with quote

TheShanMan wrote:
I did sort of overlook the point about the defogger paint since it said "temporary at best" but I guess the question is what does "temporary" mean. If it's a year, then it's probably a viable option for consideration.

I don't know the period in between. Apparently, it flakes off when it does, so I'm not sure that is the best choice. I did use the forum search to try to figure out how long people were reporting but wasn't able to find any results. However, I did notice that Rob recommended a Rubber Keypad Repair Kit. Though the link in his original post is dead, I found a suitable replacement probably from the originating company in his original link, "CircuitWorks Rubber Keypad Repair Kit"

TheShanMan wrote:
I figured an ESD strap would have a non-negligible thickness (at least in terms of the space between the button pad and the pcb) but again, definitely worth looking into.

I would think that would depend on the wrist strap. The reusable ones would definitely be too much for it. The disposable ones I've used before have very little thickness to them. But then again, I used them for their designed purpose not as a make-shift repair kit to remote controls.
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Remotes; JP1.2: Comcast URC-1067, JP1.3: Insignia NS-RC02U-10A, JP1.4 OARI06G, JP2.1: Cox URC-8820-MOTO (still trying to figure out how to make them self-aware.)
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The Robman
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Location: Chicago, IL

PostPosted: Sun Feb 05, 2012 3:47 pm    Post subject: Reply with quote

There's also the poor man's fix, which is to just superglue aluminum tin foil to the bottom on the buttons.
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