[Coco] LCD monitors with VGA converter box.

[Steven Hirsch]

On Sat, 25 Oct 2008, Jim Cox wrote:

> Hi Steve,
>
> I use the VGA converter that Roy Justice makes.  I have pictures up on my
> site at: http://miba51.com/CoCo_VGA_Adpater.html

Very cool.  And the price is certainly right!

> It works great with CRTs, but as Roy stated in a previous email, I do have
> an older model and that may be the reason why mine is a bit touchy with LCDs
> (Viewsonic VA 721 to be exact)

It's a little hard to understand why even the most primitive of LCDs would 
have trouble with 31.5Khz VGA, but I am far from an expert on video.

> For now I can get by with the NEC MultiSync, but eventually I would like to
> move up to a LCD because of space limitations.
>
> I have a swing arm CRT stand that I was planning to use for the monitor, but
> it's sort of iffy and the monitor is heavy, so I placed the disk drives,
> speakers, and converter box on the stand to get them out of the way and make
> room on the desk for the monitor.  Not the most conventional use of a CRT
> stand, but it did solve a desk realestate issue :-)

I will post here when I get things connected to the Wei-Ya unit.


> -Jim Cox
> http://miba51.blogspot.com/
> http://cloudymidnights.blogspot.com/
>
>
> On Sat, Oct 25, 2008 at 2:15 PM, Steven Hirsch <snhirsch at gmail.com> wrote:
>
>> On Sat, 25 Oct 2008, Jim Cox wrote:
>>
>>  I would like to ask a CoCo related question and I am hopeing this message
>>> does get lost in all the flaming and bashing going on :-(
>>>
>>> I finally have my CoCo set up where I can actually use it and I have both
>>> a
>>> NED MultiSync XV15 CRT monitor and a 15 inch LCD monitor available to use
>>> for the system.  In the past when I tried to use the LCD monitor with the
>>> VGA converter box, the LCD monitor always had trouble syncing up after a
>>> reset.
>>>
>>> The CRT monitor works find, but is a major space hog.  Has anyone else
>>> tried
>>> an LCD monitor and experienced issues with syncing up to the VGA
>>> converter?
>>> If so, did you find a work-around?
>>>
>>
>> I can only guess that the video timing from your VGA converter (what model
>> is it?) is right on the edge of the range for the LCD.  I've had great
>> success with a Wei-Ya ACV-011 CGA --> VGA converter for my C128 and am
>> planning to try it with the CoCo RGB output.  These are little open PCB
>> units that power on a 12V wall-wart and are primarily designed for retrofit
>> of game machines.  I picked mine up for $70 US.
>>
>> I've also been using a Highway Model 100 (unfortunately far more expensive)
>> as a scan doubler for an Amiga 2000 and to run Apple IIGS video through the
>> LCD.  As you can tell, I'm on a campaign to eliminate CRT monitors.
>>
>> Steve
>>
>>
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>>
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