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From: Cameron Kaiser
Date: 1999-01-19
Subject: Re: Plus/4 video problem
>I have a problem with my Plus/4, it will not output any video to the screen,
>I have checked the TED, the CPU, Kernal ROM, Basic ROM, RF Adapter and the
>Clock generation circuit next to the TED chip, these are all functioning
>fine, the only thing that is not functioning as per usual is pin 23 on the
>TED chip which is the LUM pin. This pin has a much lower voltage output 1.2V
>as opposed to 3.35 on my working Plus/4 and C16.
>Can anyone offer any advice?

Can you test other things, like, for example, if you try to access disk or tape by blindly entering LOAD"SOMETHING",8, do you get a response?

--
Cameron Kaiser *** http://calvin.ptloma.edu/~spectre/ *** spectre@ptloma.edu
"Please dispose of this message in the usual manner." -- Mission: Impossible

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