Re: PROBLEM: Bad Graphics Mode Video on Apple II+

["Bryan Villados" <news001@macgeek.org>]

Thanks to everyone who responded. I have a spare II+ logic board which is
used for spare parts. I came to discover that the culprit was the 74S175 IC,
located at position B1. Reseating the chip did the trick, so I didn't have
to replace it.

--- Bryan

"Paul R. Santa-Maria" <paulrsm@buckeye-express.com> wrote in message
news:S6Y28.30434$jd7.2172815@bin6.nnrp.aus1.giganews.com...
> It may be a problem with your video (character generator) ROM.
> Try removing and reinserting it, or swapping it with a known good
> one from another Apple II+.
>
> Paul R. Santa-Maria
> Monroe, Michigan USA
>
>
> Bryan Villados wrote:
> > I'm having video problems with my Apple II+. I'm currently using a
> composite
> > color monitor to view on. Video in text mode looks great. However, when
> the
> > video switches to hi-res (could also have a problem with lo-res, but I
> > haven't tried it yet), it's looks really bad. I took a snap-shot of the
> > display running Lode Runner:
>
>
>