[sdiy] Prophet 5/10 grey button caps?

[cheater cheater]

On Thu, Oct 14, 2010 at 20:21, Senso <senso at vintageplanet.nl> wrote:
>> On 10/14/2010 08:23 AM, Eric Frampton wrote:
>>>
>>> Hey there -
>>>
>>> Anybody happen to know a source (or, if they're still made, a part
>>> number) for the grey button caps used on the Prophet 5 and 10? I don't need
>>> the switch, just the caps with the holes for the LED's - mine have turned
>>> brown (!) after a bit of exposure to some sunlight in the past.
>>
>> There's a lot of internet lore on brightening yellowed plastic, a lot
>> comes from research done by folks restoring old computers (C64, Amiga, etc).
>>
>> Here's one site that seems to cover a lot of the techniques involved:
>>
>>
>> http://www.howtocleanstuff.net/kitchen-and-bath/kitchenware/how-to-whiten-yellowed-plastic/
>>
>> Eric
>
> He asked for reviving grey buttons. Apart from the fact the some of the tips
> on making yellowed plastic white again do simply not work (I haven't tried
> the peroxide yet and I don't know what comet is), none of the methods will
> help to restore an original grey. ;-)

That's funny, because the Retrobright website shows four gray keyboard
keys, three after the wash (gray like new) and one before (brownish
gray). And it's easy to make it yourself, they have the exact formula
on their site with multiple substitutes for the crucial components. I
guess it's not too safe to say words like "none" or "never".

> But the story shows that you should protect your gear from direct sunlight
> (a cover!) when you want it to keep the original, fresh look. Some colored
> plastics don't mind a sun bath, others hate it. Juno 106 owners will know
> this for sure. On most of those panels the originally bright blue buttons
> have turned into a sickly green.
>
> Senso
>
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