[Coco] Coco3 and coco2 peritel on Samsung 730MW

[Luis Antoniosi (CoCoDemus)]

I use a 74LS02 for combining and inverting the pulse signals.

There is a holy grail in the land of the LCD monitors: the LG1721A or
LG1921A. They were not sold in north america.

This monitor accepts analog or digital 15Khz and also has
s-video/composite inputs and an optional RF module. You need to
separate hsync from vsync using a lm1881 though.

This monitor has a pristine image quality.





On Mon, Dec 23, 2013 at 8:31 AM, Steven Hirsch <snhirsch at gmail.com> wrote:
> On Sun, 22 Dec 2013, Luis Antoniosi (CoCoDemus) wrote:
>
>> http://www.youtube.com/watch?v=6PHGz6j_mHg
>
>
> Also, are you saying you have situations where an LCD display (of any type)
> does NOT display those little "blob" artifacts in 80-column OS-9 video?
>
> To me, that is the Holy Grail and I have found absolutely nothing that can
> show 80-column text cleanly.  So far, I have been through:
>
> Converters:
>
> - GBS-8220 RGB --> VGA converter w/ home built sync combiner
>
> - Wei-Ya ACV-011 RGB --> VGA converter
>
> - Wei-Ya CV-04 RGB --> S-Video converter
>
> Monitors:
>
> - Samsung 730MW
>
> - Samsung 214T
>
> - Dell 2001fp
>
> - About a half-dozen smaller Hitachi, Sharp, NEC, etc. VGA monitors
>
> NO combination produces what I consider a clean display.  I'm getting to my
> wit's end...
>
> Is it possible that certain Coco 3 units are off-spec enough to create such
> issues?  It's really down to wondering about the computer itself.
>
> Steve
>
>
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>
>
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