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THEMA: Any way to improve button responsiveness?

Any way to improve button responsiveness? 24 Jan 2015 04:43 #6774

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Hi. I was just wondering if ANYONE knows a good way to improve button response. It's a bit annoying when a button suddenly decides to act up.

Anything I can use or do to make the buttons more responsive?

Any way to improve button responsiveness? 24 Jan 2015 10:33 #6775

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Hi

yes, thats easy, just clean the electronic contacts behind the buttons with special spray as this one (Kontakt WL)

www.ebay.ch/itm/Prazisionsreiniger-Konta...&hash=item230a6c294d

you can also clean it with normal alcohol, however I recommend spray which is made for cleaning electronic contacts and pcb's

don't forget also to clean a bid the button side, you will see, all like new after this short intervention :)
cheers, gameandwatch
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Any way to improve button responsiveness? 24 Jan 2015 10:38 #6776

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and if you want, I could make a step by step description with pics for this kind of repair, just need some time ;)

so it could give you assistance if you are not familiar to do such things :)

cheers, gameandwatch

Any way to improve button responsiveness? 25 Jan 2015 00:51 #6780

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Will this work on a Dpad? I have contact cleaner and I did this with a SMB. The result was that it worked and didn't at the same time. I had to put the back of the buttons on sandpaper a bit then repeat the process to get it to work again.

Do I need to do it really lightly and with little substance? I feel like the terminals might have some type of substance on top of them to help the button presses register better.

Any way to improve button responsiveness? 25 Jan 2015 09:33 #6781

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I read a post on a site somewhere about button membranes being silicone and graphite and the graphite is what causes the electric conduction.

I opened the unit and there was a bit of pencil graphite looking substance on the back of the black disks. Did anyone ever try using a pencil before?

Any way to improve button responsiveness? 27 Jan 2015 20:54 #6789

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I did a lot of these repairs, never had to add graphite on the back side of the buttons…but I am pretty sure it will work, as graphite is a current conductor, just be careful if you use a spray (also available on the market), as you could apply graphite on the pcb where it doesn't belong...

Any way to improve button responsiveness? 28 Jan 2015 08:51 #6790

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Well, I assume the can you linked me is contact cleaner, correct? I have some and I did do this to my Super Mario Bros.
The result was that the overall response was better, but once in a blue moon it won't register a button press properly.

I also did this on my Popeye Panorama and it worked a bit.

I'm most certain that the back of the buttons on the black pads have graphite lubricant on the top to help the buttons be more responsive. I think the problem is that sometimes this goes away after time and a combination of crap getting between the membrane and the button terminals.

I've seen a youtube video of someone using a soft lead pencil to bring back the button membranes of a MIDI keyboard.

I have a malfunctioning Mini Classic unit that I can probably test this one before I try it on my Bombsweeper.

I really appreciate the help.

Any way to improve button responsiveness? 28 Jan 2015 18:57 #6792

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Yes, the link provided was the one for the best electrical contact cleaner I know…
this one solves at least 70% of those kind of problems. I gave you that link, because it's important not using oil based products, that's only good for mechanical parts, not for electrical parts, however seems that your troubles are a bit different

If you have access, measure the resistance with a multimeter (Ohm) and then you will maybe see if there is lack of
conductivity, just I am pretty sure that also without a graphite coating, the material is enough conductive (means the small round black back part of the button), because the most worst part is normally on the pcb board, not the button side, all only my opinion and my experience

and why not simply changing the buttons (on Crystal Screen)? Sure you need spares, but for standard games you will find them on ebay (just look for games which have other defects, you can use then the needed parts), maybe for Panorama it's harder to get, I don't know. Or as you said, try your pencil, personally I have never had the need, but I am wondering about the result :)

maybe someone else could give a hand on this
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Any way to improve button responsiveness? 29 Jan 2015 10:52 #6794

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It's a cross Dpad on a Bombsweeper multiscreen. The ones you find on a Nintendo NES, Gameboy, or basically any Nintendo system.

Someone on Ebay did say they had some and were going to ship me the membrane that goes under the Dpad,, but then they stopped messaging me out of the blue, which is really frustrating.

I've been testing out Bombsweeper for a while and the responsiveness seems to have kind of settled a bit. I just miss when I could press the buttons effortlessly and zoom through the mazes, but now I have to focus on pressing the buttons a little more.
The biggest offender is the right button. Usually it helps if I press it down a bit hard for a few seconds, it'll become more responsive.

I did get the highest score I ever did though, so it's not so bad to the point where I can't play it decently.

Any way to improve button responsiveness? 29 Jan 2015 10:57 #6795

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Oh also, I know what you mean by mechanical contact cleaner vs electrical. Trust me, I got the electrical, the one you use on electronic PCBs.

I've cleaned my Gameboy Advance with it, my electric guitar electronics, and other things, it works great.

I just think maybe the graphite helps level and mold to the terminal a bit better so you don't have to make too much of an effort pressing the buttons down.

The problem is that I have to press hard sometimes for the buttons to register me pressing downo n it.

Any way to improve button responsiveness? 22 Mär 2015 23:50 #6855

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Got myself a Fire and Helmet at a good price. Both Left triggers on the units were in poor condition. Decided to myself, if a button condition is so bad it makes the game hard to play, then trying to clean it is appropriate.

After refurbishing the unit, cleaning the polarizer (had junk around the sides and corners of the screen), and cleaning the triggers with some qtips and a bit of contact cleaner, it responds better.

The thing I have noticed though is, when you clean the triggers, the responsiveness goes up, but the chances of button presses not registering goes up a bit. Every once in a blue moon, a button press will not register. This is more of a case for Helmet than Fire, Fire seems to be near perfect. A bit annoying when playing and the game is going fast, though.

My conclusion is that you should clean the buttons if it's a big problem, otherwise if you can press hard enough regularly when playing, then don't do it, or else you might deal with unregistered button presses, which are annoying.

It seems like the units with the copper terminals, and not black terminals, respond to being cleaned a lot better.

Again, I'm sure the reason why cleaning can sometimes make button presses not register, is that when you clean it, you are cleaning the graphite that was put on the back of the buttons which helps make button presses register better and register more smoothly..

Any way to improve button responsiveness? 24 Mär 2015 21:10 #6861

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When the games have the gold contacts in the motherboard you can clean very well, when have graphite just clean with no much pressure.

For the buttons the best way is a white clean sheet of paper (A4 for the computer printer) and clean the buttons in the sheet.

You can wash the rubber buttons with water and soap but cleaning the graphite side, use a white clean sheet of paper, works like a charm.
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Any way to improve button responsiveness? 24 Mär 2015 21:59 #6862

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The responsiveness of Helmet is still a smudge questionable but it's barely anything to be concerned about as long as it stays the same. It has gold contacts but I cleaned it at least twice, once without contact cleaner and once with contact cleaner.

I cleaned Fire the same way, but for this unit, the contact cleaner helped a bunch. The contacts on the original Wide Screen series are really well designed to receive the back end of the button, with a sort of spiral type design, making it less picky about stuff, like pressing the button in the middle for it to register a button press correctly.

Bombsweeper still isn't the best condition but it's very playable right now, just requires a bit more pressure than other game & watches when playing.
Like you said, the terminals that are black instead of gold are less accepting of contact cleaner and can make the buttons fail to register presses more often.
I did this with my Super Mario Bros and I had to resort to hitting the back of the buttons with some sand paper to make the responsiveness better.


Something about playing the actual units is a lot more invigorating and fun than playing a simulation like the Game & Watch Gallery games, but sometimes units with crappy buttons can be frustrating.
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Any way to improve button responsiveness? 16 Apr 2015 06:41 #6905

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Got me a 7b graphite pencil a few days ago. It improved the responsiveness of Donkey Kong 3's Dpad incredibly.
Super Mario Bros is still a bit sketchy, but I might of put too much. I might clean it up and redo it.
Popeye seems to respond a bit better too. No more getting stuck trying to weave back and forth when punching.

Seems like coating the back of the buttons moderately helps a lot, just don't get too much or else it'll get messy. Just enough to cover, about 75%-85% of the button until it has a center of grey reflecting graphite.

There is no promises it'll always fix a unit. Like I said, SMB is still a bit sketchy, but then again I did some stuff to the buttons prior, but all the other units I have done this too have responded nicely.

The only thing I can think of is that the spray button on DK3 sometimes didn't register button presses, but then I cleaned the contacts on the board with contact cleaner on a qtip end, then rubbed a dry qtip on it to make sure it's dry. I also rubbed a paper towel against the back of the button a bit. It seems to be great now.
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Any way to improve button responsiveness? 27 Nov 2015 10:43 #7134

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So a week ago I opened up Bombsweeper again.

I came up with a great solution that worked for my device.
The right trigger was going bad compared to the other directions so it was frustrating to play the game, and this is one of the G&W games I can honestly really get into regardless of how simple the technology is.

So, what I've found out is, you do NOT, want to ever really clean the rubber pads on the back of the buttons. The "dirt" or "black smudge" you see on there if you ever tried to clean it, is actually graphite, or some type of electrical conductive material.

I still had the 7b graphite pencil from before, and I tried applying a coat again. It helped a lot, but wasn't there yet.

Here's what got it completely fixed: you CAN clean the contacts on the board where the buttons press down. small spray of plastic-safe contact cleaner on a qtip, rub it on the contacts, rub it dry with a dry qtip.

Any excess graphite is cleaned off the board, and the connection between the contacts is near flawless, practically new like.

Now I can blaze through the mazes like I used to, which was always fun for me.


So in summary:
Coat the black rubber padding on the button membrane with a soft graphite pencil until you see a good silver coating on the back of the entire pad, wipe away any excess graphite with a dry qtip GENTLY, NO RUBBING ALCOHOL, NO CLEANER.

Put a little bit of rubbing alcohol or PLASTIC SAFE contact cleaner on a qtip, wipe the contacts for the buttons on the mother board with it, then dry it by wiping it with a dry qtip.

If there's still excess graphite, press the membrane on the motherboard a bit until the excess comes off, then clean the contacts on the board again.


Did this with all my Game & Watches with sketchy buttons and they all work great now.
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