[Coco] Using a NTSC Coco in the UK - my findings

[Gene Heskett]

On Thursday 22 February 2007, jdaggett at gate.net wrote:
>On 22 Feb 2007 at 15:20, Gene Heskett wrote:
>> I suspect this is going to happen more and more often, so I recommend
>> getting a "plcc" puller from the shack, and reseating the gime.  We
>> had the same problems with the amiga's as they aged, requiring both
>> the agnus chip and the socket be separated and both cleaned up with a
>> WET pencil eraser, WET to hold down the static, then blown dry to
>> remove the eraser debris before reseating the chip in the socket.
>> Commie never heard of gold flashing anything, just like the shack.
>
>******************
>ARGH the wet pencil eraser!!!!!!!!!!!!!!!!!!!!!
>
>I have always used alcohol and a Q tip. Pencil erasers leave residue
> that has oils in them.

That's a given James, and I gave the readers the benefit of the doubt, 
assuming they would all wash things up with alcohol before they dried 
them anyway.  And the alcohol from a qt can of it, about 8 bucks at the 
paint store is purer than the walgreens watered down & denatured junk by 
far.  One (drug store) is de-natured _ethyl_ and one (the paint store 
version) is _methyl_ though.  Burns right nice in a rip snorter two 
stroker too, been well above 120mph with it several times. :-)  But needs 
castor oil as lube, nothing else will mix with it. 

> I use alcolhol from Walgreens that is 90%. SOme 
> outlets you can find up to 95%. That is even better.
>
>Unless you take a dental pick and bend the ends to use as a tool,

Very difficult to get a sharp enough corner to the bend, and the point 
only needs to stick out sideways maybe 20 thou.  Buy the right tool.

>the 
> PLCC puller is by far the best tool. Some PLCC sockets and boards that
> they are mounted on h ave a hole in the middle to allow a blunt
> instrument to push the part out. Sadly enough RS did not do that for
> the COco3.
>
>
>james



-- 
Cheers, Gene
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Copyright 2007 by Maurice Eugene Heskett, all rights reserved.