Well I finally got the diode (ZD902) in from Mouser (not a stock part). After
replacement I was able to adjust the picture to fit the CRT. Thanks to all
who responded. Without this list and the other resources on the net I would
never be able to maintain this thing.
Thanks again,
Scott
Gregg Woodcock wrote:
> >As the title states I am having problems with the Y adjustment on my
> >tempest. I can not get the Y axis small enough to fit the screen.
>
> My guess is that you are also experiencing a problem with the X-axis but
> that you just happen to have enough pot adjustment to counteract it. I'd
> bet your ZD902 is bad on your HV unit and you have a low HV condition
> causing blooming. It's cheap enough to replace so I'd start there.
