Re: Possibly the weirdest Tempest problem yet.

From: John Robertson <pinball_at_telus.net>
Date: Sun Dec 09 2007 - 12:03:10 EST

Pat Danis wrote:
> Got a link to that tool?
>
> Pat Danis
>
>
> Didn't find it with Google nor on your site.
>
>
They turn up on eBay from time to time...also the schematic that Peter
posted looks like it would do the same job, you will need a +/- 12VDC
supply though.

John :-#)#
>
> John Robertson wrote:
>> Matt J. McCullar wrote:
>>> Speaking as a fellow service tech, I'd have to go along with Alex's
>>> response. Sounds to me like someone was trying to isolate a shorted
>>> power bus. Look very carefully at that mathbox board for something
>>> that has been replaced in the past... such as a bypass cacitor or
>>> something else that could short the +5 volt bus and ground together.
>>>
>>> Avoid spikes!
>>>
>>> Matt J. McCullar
>> Someone needs a Short Squeak! Great little tool for finding bus
>> shorts... It works by using a changing tone to tell when you are
>> closer to the short, works in the milliohm range...
>>
>> John :-#)#
>>
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Received on Sun Dec 9 12:02:57 2007

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