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510Re: Vip Video

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  • DougCrawford
    May 20, 2013
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      --- In rcacosmac@yahoogroups.com, "joshbensadon" <joshbensadon@...> wrote:
      >
      > Hi Doug,
      >
      > The Televideo 920 is a nice looking terminal, it would be a shame to not use it as a sort of "Super VIP". You just need to add some keyboard interface and put some ELF Basic into ROM :)
      > Lot's of good projects... not enough time, I'm facing the same dilemma here.
      > I think the 1881 chip makes a good sync separator, but if you want to do it using only 74LS chips, I built a circuit that does just that... I'll just need to draw it for you as it's still on the bread board.
      >
      > :)J
      >
      >
      > --- In rcacosmac@yahoogroups.com, "DougCrawford" <touchetek@> wrote:
      > >
      > >
      > >
      > > --- In rcacosmac@yahoogroups.com, "chucko205" <chucko205@> wrote:
      > > >
      > > > My Cosmac Vip signals the sound and Q light ok but no video, tried the video chip in a studio 2 and it works fine, signal out is above 0.5(appx 1.0) volts, sending to comp input on new led tv, could tv be a problem?
      > > >
      > >
      > >
      > > This was an interesting thread; thanks everyone for the participation. My VIP had the same issue; I went thru a few monitors till I found
      > > one that would sync.
      > >
      > > I have a televideo 920 termininal sans main board and was thinking
      > > of putting the VIP into the terminal... hooking up the video using a sync separator to the televideo signals. Didn't get to it (yet?)
      > > but its comforting to know I can improve the video in this way... I didn't know if it was a level or timing issue. Nows I (we) do!
      > >
      >

      Well the terminal had p.s. issues so I let it go at a swap meet.
      I'll look for something else to make Super VIP PC out of.
      I still think its a good idea.
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