[PICS] Keyboard LED replacement

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spiny
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[PICS] Keyboard LED replacement

Post by spiny »

Hi Guys,
here are a few pics on how I replaced the LEDs in my FM keyboard. I did this purely for fun, as it was something I wanted to do years ago as a few of my friends had done this mod to their STs and I was always jealous as back then blue LEDs were pretty rare. As they are now literally pence to buy, I've finally got round to it :)

I've kept the old LEDs, so I can go back to 'stock' if the mood takes me...

First, remove the keyboard, and support it somehow:
Image

Then take out all the screws, including the three under the plastic:
Image

And the two over the port cover:
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There are 27 little screws and two bigger ones.
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Carefully lift the circuit board up and over. If you are lucky, the cups will stay in place, but probably half will be stuck to the board. Move them back to the keys.
Image

Now is a good time to check for dry solder on the mouse/joystick ports too - mine looked a bit suspect, so did a quick reflow with the soldering iron.
Image

The factory LEDs are surface mounted on this board (on my STe they were put through the board) so bend your new LED to the same approximate shape.
Image

Soldered on:
Image

The holes will need enlarging too, I used a small drill.
Image

Make sure all the caps are back in place, but don't worry about this missing one, it's supposed to be missing, then carefully put the board back on, making sure the LEDs are fed through the new holes
Image

after putting all the screws back in, it should look something like this:
Image

Power on test with no cover - very bright and blue!
Image

Cover in place, nice :)
Image

twenty minutes work for a new 'look' :)
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Re: [PICS] Keyboard LED replacement

Post by FedePede04 »

a really nice guide, and i love the end result :thumbs:
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Re: [PICS] Keyboard LED replacement

Post by KLund1 »

Nice clear pictures.
Might I ask were you got, and what are the right size and voltage LED's ?
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Re: [PICS] Keyboard LED replacement

Post by exxos »

Nice [smilie=greencolorz4_pdt_01.gif]
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Re: [PICS] Keyboard LED replacement

Post by spiny »

KLund1 wrote:Nice clear pictures.
Might I ask were you got, and what are the right size and voltage LED's ?
I have a bunch of these:

http://www.ebay.co.uk/itm/50-Pcs-3mm-Wh ... 19e4986951

in various colours, that I use for projects, cheap too :)
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Re: [PICS] Keyboard LED replacement

Post by paul92706 »

that looks wicked! nice job spiny! :)
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Re: [PICS] Keyboard LED replacement

Post by exxos »

Oh cool had forgotten about this. Do you have this on your site Phil ? Or can you do a html version so I can put it on my site with the keyboard page ?
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Re: [PICS] Keyboard LED replacement

Post by spiny »

not indexed yet, but the pics are here:

http://www.spiny.org/atari/photos/misc/leds/

give me ten minutes and ill 'html' it
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Re: [PICS] Keyboard LED replacement

Post by exxos »

spiny wrote:not indexed yet, but the pics are here:

http://www.spiny.org/atari/photos/misc/leds/

give me ten minutes and ill 'html' it
Sweet :) :cheers:
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Re: [PICS] Keyboard LED replacement

Post by spiny »

html added :)
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Re: [PICS] Keyboard LED replacement

Post by exxos »

spiny wrote:html added :)
Cool, consider it stolen :) I'll add it to my page later :)
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Re: [PICS] Keyboard LED replacement

Post by spiny »

no probs :)
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Re: [PICS] Keyboard LED replacement

Post by exxos »

spiny wrote:no probs :)
Added to the bottom of my keyboard page :) About time something new was added there :)


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Re: [PICS] Keyboard LED replacement

Post by tjlazer »

Hey all, I just swapped my LEDs to some 3mm white LEDs on my 1040STE keyboard because I use it in a 1040STf and they need to be white for the red LED lenses. Swap went well, but now I noticed the floppy LED will now faintly flash quickly when the drive is not in use. This normal with aftermarket LEDs?
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Re: [PICS] Keyboard LED replacement

Post by sety »

tjlazer wrote: Fri May 21, 2021 3:23 am This normal with aftermarket LEDs?
Yep. That's the "heartbeat" and is always present on a healthy machine. It's just that the original LED is a bit dim and you can't see it unless you really look hard. :)
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Re: [PICS] Keyboard LED replacement

Post by Lrodrig »

What are the specs of the replacement LEDs? What voltage?
Thanks.
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