Re: 1084S-D2 Monitor

[Drew <GoggleDrew@gmail.com>]

On Oct 14, 9:34 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> Drew wrote:
> > On Oct 14, 7:36 pm, schmidtd <schmi...@my-deja.com> wrote:
> >> On Oct 14, 1:00 pm, Drew <GoggleD...@gmail.com> wrote:> [...] I now suspect that the red has gone on the
> >>> monitor..but before i give up, I thought i would just ask if anyone
> >>> has any suggestions if it could be something else?
> >> Can you give it any other color feed to verify if red is truly gone?
> >> My 1084 (not an "S") has composite-in, or maybe it was chroma+luma.
> >> but there were lots of different kinds of 1084's; yours might not have
> >> one.
>
> >> I've experimented with wiring my Samsung flat panel monitor's SCART
> >> input to the IIgs' RGB.  I also found one color lacking - I think it
> >> was green.  I bring it up because it seems like my GS put out a less-
> >> strong signal on green.  I could re-wire the three colors and get
> >> great results for any two out of three colors on my monitor.  Just
> >> never all three at once.
>
> > Hi,
>
> > Well i connected the GS via the composite in and it only came up in
> > BW, so connected my xbox 360 and to be honest at first glance it look
> > ok, but then again it seemed a distinct lack of red in any of the
> > images (was using it as Media Centre extender), so watched so TV and
> > didnt notice any red and all looked slightly drab. Shame as the
> > monitor was it great condition. My mate has an Amiga so was going to
> > take it over there and see what it looks like.
>
> As long as the color CRT red gun is still working, it shouldn't be
> hard to fix.
>
> You just need to find out where the interruption in the red signal
> path occurs.  It might be as simple as a broken connection but no
> worse than a dead transistor.  It certainly won't be an expensive
> fix--as long as the CRT red gun is working.
>
> There are "background level" controls for each gun--like separate
> 'brightness' controls.  That control may need adjusting, or it may
> be intermittent or open.  In any case twisting it a bit may do the
> job.
>
> Use an insulated screwdriver to adjust the pot(s) and don't bang
> on the neck of the CRT.  Stay away from the high voltage connection
> on the bell of the CRT.
>
> -michael
>
> AppleCrate II: An Apple II "blade server"!
> Home page:  http://members.aol.com/MJMahon/
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."
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Thanks, will take the back off and have a look....carefully :-)

Drew