[Coco] FWD: Auto-discard notification
Dennis Bathory-Kitsz
bathory at maltedmedia.com
Sat Mar 27 18:56:38 EST 2004
>Date: Sat, 27 Mar 2004 10:54:17 -0800
>From: Kevin Diggs <kevdig at hypersurf.com>
>To: coco at maltedmedia.com
>Subject: cm-8
>Hi,
>
> My cm-8 is in intensive care. Something is wrong with the vertical
>sweep. It is way to tall and the
>linearity is off. And it is wrapping around on the bottom. I have the
>service manual. There are only two
>active elements in the vertical sweep circuit:
>
> ix0065ce (ha11235) sync processor for h & v, vert driver
> ix0238ce (upc1378h) vertical output
>
>Neither the vertical output nor the vertical driver output are correct
>on a scope (at least according to the
>little pictures in the service manual). The slope part of the vertical
>output has ringing (oscillation).
>Anybody have any idea which is fried and where I can find a replacement
>(an nte1550 may replace the ha11235 so
>that is probably not the one that is fried!)?
>
> kevin
>
>P.S.: On a philosophical note, how does something break sitting in a
>box? I am almost certain this worked
> when I boxed it up. I would have fixed it otherwise as I tend to be
>rather anal about such things?
>
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