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Sticky Key


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#1 Audronic OFFLINE  

Audronic

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Posted Sun Mar 19, 2017 12:53 AM

Hi All

 

I have a sticky key on my 800xe

if i press the Key it stays down, if i lever it up it seems like there is a spring ??

? do the caps come off or do i have to do major surgery.

I have never looked at the keyboard before.

Any help, hints Please (Polite ones)

 

Thanks    Ray



#2 brenski OFFLINE  

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Posted Sun Mar 19, 2017 3:29 AM

you can prise the cap off using a very small flat-edged screwdriver.

once removed, you'll see a black circular support surrounded by a white square base.

 

gently prod the centre of the black support . does it return back up on it's own?

 

if yes, then there's some cr*p trapped somewhere between the keycap and the support,

if no, then there's some cr*p underneath the support - or the spring has failed


Edited by brenski, Sun Mar 19, 2017 3:35 AM.


#3 flashjazzcat OFFLINE  

flashjazzcat

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Posted Sun Mar 19, 2017 4:43 AM

If it's an 800XE, there are probably no springs under the keys: just rubber domes. There may be dirt in there, or perhaps the rubber disintegrated. Ideally you'd want to dismantle the whole thing and clean it, but watch out for rubber cups falling out when taking off the backplate.

#4 Audronic OFFLINE  

Audronic

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Posted Sun Mar 19, 2017 6:03 AM

@brenski

@flashjazzcat

 

Thanks it looks like major Surgery.

I will dismantle the Keyboard.

 

Thanks again        Ray



#5 Mclaneinc OFFLINE  

Mclaneinc

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Posted Sun Mar 19, 2017 7:47 AM

Normally its just gunk on the wall of the tunnel that the key sits in, make sure that's cleaned with a cotton bud as well as the key itself before major surgery.....It normally is as simple as that...

 

A look at what's under the keys of most PC keyboards would turn your stomach :)



#6 brenski OFFLINE  

brenski

    Stargunner

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Posted Sun Mar 19, 2017 8:25 AM

@brenski

@flashjazzcat

 

Thanks it looks like major Surgery.

I will dismantle the Keyboard.

 

Thanks again        Ray

it really shouldn't be major surgery if it's one key



#7 Audronic OFFLINE  

Audronic

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Posted Sun Mar 19, 2017 5:51 PM

Hi All

 

 

The black plunger is split and when i put the button in it spreads and jams,

The spring is good.

 

Does anybody in Australia have a spare Black plunger for sale  Please.

 

Thanks      Ray

 

Attached Thumbnails

  • Atari 800XE #6.jpg

Edited by Audronic, Sun Mar 19, 2017 5:56 PM.


#8 rdea6 ONLINE  

rdea6

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Posted Sun Mar 19, 2017 8:11 PM

Before you dismantle and replace plunger..... try a bit of superglue on tip of tooth pick applied to the top and inside of crack... press together with finger tips until set... and with same tooth pick apply a plastic safe lubricant replace key and if still sticky then replace plunger.. 



#9 Audronic OFFLINE  

Audronic

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Posted Sun Mar 19, 2017 8:38 PM

@rdea6

 

Thanks, that hopefully will save a dismantle.

 

Ray



#10 Audronic OFFLINE  

Audronic

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Posted Sun Mar 19, 2017 8:51 PM

@rdea6

 

The Super Glue dis not stick to this sort of plastic ??

I will have to find a plunger.

 

Anybody out there with a spare plunger 

 

Thanks for trying

 

Ray



#11 _The Doctor__ OFFLINE  

_The Doctor__

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Posted Mon Mar 20, 2017 11:34 AM

depends on the glue.... I had a hobby glue that worked I pushed just enough to bind the crack without overdoing it... made sure it was clean and smooth...dried it for a day or two and was super careful to make sure the key cap fit in without re-splitting - my buddy used it for at least 8 years or so years without a problem... before he finally got rid of it....


Edited by _The Doctor__, Mon Mar 20, 2017 11:36 AM.


#12 Audronic OFFLINE  

Audronic

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Posted Mon Mar 20, 2017 4:33 PM

@_The Doctor__

Thanks, I will see if somebody has some spare parts for sale

 

Ray






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