[rescue] Rescued iMacs looking for input on repair
Andrew Weiss
ajwdsp at cloud9.net
Wed May 5 15:52:59 CDT 2004
On May 5, 2004, at 4:27 PM, Geoffrey S. Mendelson wrote:
> Bill Bradford wrote:
>
>> On the other hand, we had a tech support guy / stoner who would
>> discharge
>> CRTs with nothing more than a large, long flat-head screwdrive and an
>> impressive "BANG!".
>
> I still have my original Mac discharge tool. A high voltage probe with
> a
> resistor in it. If you didn't use it to discharge a Mac
> (64k,128k,512k,plus) you burnt out an IC on the analog board.
>
> The SE was the first to use a self discharging flyback.
>
> Geoff.
I have an HRT discharge tool from Apple. It's a black handle with a
long needle and on the end of the handle is a red cable with an
alligator clip.
Apple also markets an HV Probe, but that's used to reduce the voltage
to something readable by a multimeter (has a resistor) so you can test
the unit while it's on and the anode cap is connected.
I think you have the HV probe confused with the discharge tool... or
perhaps they had a different tool set back that far ago.
Andrew
------------------------------------------------------------------------
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and remember: a CRAY is the only computer
that runs an endless loop in just four hours ... --Snarfed from a forum
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