Thanks for this tip. In Australia I found a product called KEMO Conducting Silver which I used to repair apair of Uniden cordless phonee that had a faulty toggle switch on both. This product and this tip fixed both !! Bought the KEMO Conducting Silver from Jaycar Electronics $12.95...cheap repair !! Thanks again easy to follow video.
Legit! Looks like it really works well. I now have the confidence to crack mine open and repair my controller buttons also. Many thanks for the great video.
I have the exact same problem with an old AOR AR2000 scanner. Some of the membrane buttons don't work any more. So this video is VERY useful. Thank you for taking the time to put it up. 73 M6OLO
Thanks for your tutorial.....I ordered a kit to repair my Native Instruments Maschine....was about to trash it til I came across this video.....had a few buttons that weren't functioning....now they all work like new...
Great video. I have a problem with my Yaesu VX5R power on/off button. I asked a Yaesu tech at the 2013 Dayton Hamvention how I could repair the problem with the membrane since replacement membranes are no longer available for the VX5R and was instructed to remove the membrane and lightly scrub the carbon coated pads with a pencil eraser. I haven't done that yet. Finding your video is probably a better solution. I will try your method.
Thanks for a great little video. I'm researching all I can to try to resurrect the touch pad membrane on my daughter's wall over. The parts are no longer available for it so I'm going to give it the old college try to see if I can figure out how to make the membrane work again. Right now, she has to bake everything at 350 degrees. No up or down and the oven light isn't working. None of the other buttons work either. If you have any advice on how to fix a membrane, please point me in the right direction. Thanks again.
I found the best way to check remote control operation is simply turn on a radio to a blank spot on the AM dial.Now bring the remote CLOSE to the radio and push each button to check operation.You will hear a varying pulse tone if the key is working.The infra-red test with a digital camera did not work for me even though my remotes had IR diodes.
I bought the caikote 44 a couple of years ago for my Pro-43 scanner, but I was afraid to try it. I have been replacing hard drives on ipods and drive gears on garage door openers, but this one worried me. This is what I needed, finally somebody showed how to do it.
Hi Waggin1, I am thinking about buying caikote 44 but reviews are mixed some say it flakes off,some say it does not last long,some say you have to sand the carbon before application can you please tell me if it works or not thanks, jaybee
It worked fine on my li'l 2-way radio, but I don't use it much, so can't say how long it'll last. But I don't think Caig would make junk, and the -44 is widely used professional repair shops. If someone says it flakes off, they likely put it on too thick. Just clean the pads with alcohol then put on the CaiKote by blotting with a foam-tip makup swab. Like any paint, a couple very thin layers is better than one thick one. Good Luck! --waggin
I have found-using a similar product, and the silver coating soon flakes off the button. Sometime it will then stick to the switch contact gap, making for a “continually pushed button” symptom. Perhaps the product I used was simply inferior or too old. Make sure you use a fresh new package if trying this yourself and give lots of drying time before reassembly.
Have you ever seen buttons that use foam instead of rubber? I have a soundesign clock radio and it looks as if there's foam used instead of rubber to contact the PCB. I think I need to replace it.
i like to hear how long it lasted. it's hard to get anything to stick to silicone rubber. a new button contact typically has around 200 ohms across it. did u measure after applying this stuff?
There is no need to go to the expense of buying deoxidiser in all cases. The direction controls for my telescope started to be erratic. I found that CAREFULLY scraping the contacts on the circuit board removed the oxidosation and it all worked perfectly afterwards.
it's designed obsolescence. it'd be easy to make a contact surface that last 1 million cycles. but why would they want to? ur supposed to toss it in the garbage & buy another. all consumer products are made the same way.
+Eric jones Eric is partially correct. The Silicone is the substance that makes the rubber keypad flexible. It is the combination of the silicone oil and the conductive carbon contacts that is the culprit. I fixed tens of thousands of keypads and I found that Panasonic had installed a conductive membrane between their rubber keypad and the board on only a few models back in the early 90's. Then they stopped doing so and went with just the rubber keypads, why? My guess is that the ones with the membranes were lasting far longer than they wanted them to. The only way I found the models with the membranes was that they would fail for other reasons , but nothing to do with the buttons unless they were just filthy and sticking down, but then they would still work. So we reverse engineered the Panasonic membrane and began manufacturing our own, eventually making a peel and stick conductive membrane that fits most Panasonic phones without adjusting it, or it can be cut up to fix most any similar keypad. Panasonic had a great keypad for some older 900 MHZ phones, so we copied their best keypad solution.
You have a good point, and technically they are inferior to mechanical switches, however there is a trade off for everything, even buttons. Most mechanical switches are soldered to a board so repairing them is labor intensive. Their contacts should be coated with gold to ensure their longevity, which is not only costly but to harvest, refine and acquire gold then plate the contact is not earth friendly. So I think Panasonic had the best buttons engineered back in the 90's which they included with some of their 900 MHZ phones, about a dozen of them. This "family" of cordless had silicon rubber buttons, but they only functioned as buttons, while there was no conductive material on the rubber buttons but instead they included a Mylar membrane in between the buttons and the board. I can only imagine that they did away with this concept due to profitability and not quaility, which is more of an American business trait than Japanese. But that is the legacy of the 90's, Americans had to work harder and the Japanese had to work smarter (profitability wise). Incidentally, these phones are what we used as "models" and a basis for the design and manufacture our Pad Mate peel and stick conductive membrane. So while they, and most manufacturers did away with a more practical, functional and longer lasting button solution, we kept the torch burning and our Pad Mate membrane can be used for almost any silicone rubber keypad made. Here is the easiest way to get hey at this link while it is good- www.ebay.com/itm/291583354988
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over 10 years later and this video is still helping people (me). Well done!
Thanks for this tip. In Australia I found a product called KEMO Conducting Silver which I used to repair apair of Uniden cordless phonee that had a faulty toggle switch on both. This product and this tip fixed both !! Bought the KEMO Conducting Silver from Jaycar Electronics $12.95...cheap repair !! Thanks again easy to follow video.
Legit! Looks like it really works well. I now have the confidence to crack mine open and repair my controller buttons also. Many thanks for the great video.
I have the exact same problem with an old AOR AR2000 scanner. Some of the membrane buttons don't work any more. So this video is VERY useful. Thank you for taking the time to put it up. 73 M6OLO
Thanks for your tutorial.....I ordered a kit to repair my Native Instruments Maschine....was about to trash it til I came across this video.....had a few buttons that weren't functioning....now they all work like new...
Hey, man. Great workshop/techfix video! Love your shop uniform - got one exactly like it!
Many thanks. I just bought some CaiKote to repair several remote controls. I was interested in watching someone else's technique before I proceeded.
Very good, my Mercedes Ml electric windows were having the same issue and this video has really helped me!
Great video. I have a problem with my Yaesu VX5R power on/off button. I asked a Yaesu tech at the 2013 Dayton Hamvention how I could repair the problem with the membrane since replacement membranes are no longer available for the VX5R and was instructed to remove the membrane and lightly scrub the carbon coated pads with a pencil eraser. I haven't done that yet. Finding your video is probably a better solution. I will try your method.
+Terry Morris pencil does work alltho it depends how long it will last based on using the button. More important is it will work. :D
Alufoil works as well. I superglued a tiny piece to the membrane on my TV remote and it works great.
Where do you get those?
@@1canyonguy Alufoil = Aluminum Foil. Can be found at any grocery store.
Thanks for a great little video. I'm researching all I can to try to resurrect the touch pad membrane on my daughter's wall over. The parts are no longer available for it so I'm going to give it the old college try to see if I can figure out how to make the membrane work again. Right now, she has to bake everything at 350 degrees. No up or down and the oven light isn't working. None of the other buttons work either. If you have any advice on how to fix a membrane, please point me in the right direction. Thanks again.
I found the best way to check remote control operation is simply turn on a radio to a blank spot on the AM dial.Now bring the remote CLOSE to the radio and push each button to check operation.You will hear a varying pulse tone if the key is working.The infra-red test with a digital camera did not work for me even though my remotes had IR diodes.
Ross Wright
interesting, learned something new. I will have to try it. thanks
I bought the caikote 44 a couple of years ago for my Pro-43 scanner, but I was afraid to try it. I have been replacing hard drives on ipods and drive gears on garage door openers, but this one worried me.
This is what I needed, finally somebody showed how to do it.
how long did this repair last ?
Good demonstration use of caikote 44
Hi Waggin1, I am thinking about buying caikote 44 but reviews are mixed some say it flakes off,some say it does not last long,some say you have to sand the carbon before application can you please tell me if it works or not thanks, jaybee
Thanks for getting back to me , Iam going to give it a go.
It worked fine on my li'l 2-way radio, but I don't use it much, so can't say how long it'll last. But I don't think Caig would make junk, and the -44 is widely used professional repair shops. If someone says it flakes off, they likely put it on too thick. Just clean the pads with alcohol then put on the CaiKote by blotting with a foam-tip makup swab. Like any paint, a couple very thin layers is better than one thick one.
Good Luck!
--waggin
I have found-using a similar product, and the silver coating soon flakes off the button. Sometime it will then stick to the switch contact gap, making for a “continually pushed button” symptom. Perhaps the product I used was simply inferior or too old. Make sure you use a fresh new package if trying this yourself and give lots of drying time before reassembly.
Have you ever seen buttons that use foam instead of rubber? I have a soundesign clock radio and it looks as if there's foam used instead of rubber to contact the PCB. I think I need to replace it.
i like to hear how long it lasted. it's hard to get anything to stick to silicone rubber. a new button contact typically has around 200 ohms across it. did u measure after applying this stuff?
So far it lasted over 4 years. I didn't measure the resistance because it worked ok.
Now how to get the products in Oz
never even knew someone made this kind of product. guess i'll have to pay a visit to my local electonics store.
There is no need to go to the expense of buying deoxidiser in all cases.
The direction controls for my telescope started to be erratic.
I found that CAREFULLY scraping the contacts on the circuit board removed the oxidosation and it all worked perfectly afterwards.
k2rhs says thank you great info Ed
you can check the little pads with an ohmmeter. less than 200 ohm is good. more than 500 ohm is bad.
Nice work
Thanks from AE7SX
I used this product on a Yaesu VX5r power button, it worked well...for awhile! Then not! 7 3
Silicone rubber keypads need to be banned. junk
***** Or at least they should be made with a lot thicker conductive layer, so they have a decent lifespan.
it's designed obsolescence. it'd be easy to make a contact surface that last 1 million cycles. but why would they want to? ur supposed to toss it in the garbage & buy another. all consumer products are made the same way.
+Eric jones Eric is partially correct. The Silicone is the substance that makes the rubber keypad flexible. It is the combination of the silicone oil and the conductive carbon contacts that is the culprit. I fixed tens of thousands of keypads and I found that Panasonic had installed a conductive membrane between their rubber keypad and the board on only a few models back in the early 90's. Then they stopped doing so and went with just the rubber keypads, why? My guess is that the ones with the membranes were lasting far longer than they wanted them to. The only way I found the models with the membranes was that they would fail for other reasons , but nothing to do with the buttons unless they were just filthy and sticking down, but then they would still work. So we reverse engineered the Panasonic membrane and began manufacturing our own, eventually making a peel and stick conductive membrane that fits most Panasonic phones without adjusting it, or it can be cut up to fix most any similar keypad. Panasonic had a great keypad for some older 900 MHZ phones, so we copied their best keypad solution.
+bgregg55 You and Eric jones are right. They should be banned. They're a step backward to mechanical switches.
You have a good point, and technically they are inferior to mechanical switches, however there is a trade off for everything, even buttons. Most mechanical switches are soldered to a board so repairing them is labor intensive. Their contacts should be coated with gold to ensure their longevity, which is not only costly but to harvest, refine and acquire gold then plate the contact is not earth friendly. So I think Panasonic had the best buttons engineered back in the 90's which they included with some of their 900 MHZ phones, about a dozen of them. This "family" of cordless had silicon rubber buttons, but they only functioned as buttons, while there was no conductive material on the rubber buttons but instead they included a Mylar membrane in between the buttons and the board. I can only imagine that they did away with this concept due to profitability and not quaility, which is more of an American business trait than Japanese. But that is the legacy of the 90's, Americans had to work harder and the Japanese had to work smarter (profitability wise). Incidentally, these phones are what we used as "models" and a basis for the design and manufacture our Pad Mate peel and stick conductive membrane. So while they, and most manufacturers did away with a more practical, functional and longer lasting button solution, we kept the torch burning and our Pad Mate membrane can be used for almost any silicone rubber keypad made. Here is the easiest way to get hey at this link while it is good- www.ebay.com/itm/291583354988