Re: IIc Flat Panel Display

[Larry Glisson <lbglisson@gmail.com>]

On Jun 3, 1:50 am, "Apple2Steward" <n...@none.net> wrote:
> "Michael J. Mahon" <mjma...@aol.com> wrote in message275318387360364776.286087mjmahon-aol.com@news.giganews.com">news:275318387360364776.286087mjmahon-aol.com@news.giganews.com...
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> > <giorgio.morocu...@alice.it> wrote:
> >> Il Sat, 02 Jun 2012 12:45:47 -0500, Michael J. Mahon
> >> <mjma...@aol.com>
> >> ha scritto:
>
> >>> Wayne Stewart <waynejstew...@gmail.com> wrote:
> >>>> I have a couple. The only place where they're really easily
> >>>> readable
> >>>> is outside in sunlight
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> >>> Has anyone ever opened one up and played with the LCD bias?
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> >> And there are some schematics?
>
> >> Thanks
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> >> Giorgio
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> >> Apple II and Apple III forever !!!
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> > It should be quite easy even without schematics.
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> > But after posting, I realized that a panel of this vintage
> > probably has a
> > bias adjustment, labelled "contrast" or something similar. If
> > this control
> > can change the display from "off" to "black", then that's all
> > that bias can
> > do. If it is all the way at one end for best display, then
> > changing the
> > bias range could make a real improvement.
>
> > The next thing to try is more drive, but that's harder to do.
>
> > -michael - NadaNet 3.1 and AppleCrate II:
> >http://home.comcast.net/~mjmahon
>
> I recalled (and located) a post by Beverly Cadieux to the Apple
> II Mail Group in which she explained how she had improved
> readability of the screen on the IIc LCD monitor by removing the
> clear screen from the LCD display itself (2/17/2000):
>
> "It is a plastic panel in the front, comparable to the glass
> screen of a monitor. You pry open the case and weasel it out.
> This plastic is thick and opaque, and makes the screen hard to
> see, Removing it exposes a soft, pillow-like vinyl layer where
> the display is fairly clear. A bright light and a certain
> "stance" also helps you to see it more clearly.
>
> When the //c is not in use, I lay the thick plastic panel back on
> top of the vinyl as a dust cover."
>
> I've not tried this.
>
> Although I don't use these screens frequently, I think that the
> C-Vue is more readable compared to the original Apple LCD.

There is a IIc Flat Panel Display listed on Ebay with a slightly
damaged screen cover.  Otherwise it works and is in nice condition.
The auction will end June 11th, at 5am EST.  Sorry to sound like a
spammer, but this is something special and worthy of attention in my
opinion.  Search for A2M4022 or Apple IIc Flat Panel Display to locate
the auction.  It was acquired (by me) as part of a private collection
of vintage Apple gear.  The seller was relocating.  From what I can
tell, an average of less than one of these per year is listed on Ebay
(more are sold for part/not working... I'm talking about actual
working models.)  I suppose someone could swap out the screen cover
with one from a non-working unit.  Hmm.  I did not know it was
considered a "delicate" piece of hardware.  Interesting.