Re: Quantum MPU XY/Colour output problems...

From: John Robertson <jrr_at_flippers.com>
Date: Sun Jul 22 2001 - 12:21:15 EDT

I assume from the total lack of responses to this enquiry that no-one has
any info on this service headache. Darn. No secret Signature stashes?

John :-#(#

At 05:18 PM 14/07/2001, you wrote:
>Anyone have any secrets to troubleshooting the MPU? I have one that coins
>up, but no display. Vector ram is addressed fine, and there appears to be
>data getting to the DACs, but there is no colour information on any of the
>colour outputs. No Z-Axis info either. I have two boards with almost
>identical symptoms. Much easier to fix when one has a working one to
>compare to.
>
>I was hoping there was a Signature Analysis guide out there (like Tempest)
>but no luck with google.com...
>
>John :-#(#

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Received on Sun Jul 22 12:46:10 2001

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