Re: My original IIGS monitor just blew up!

[Michael J. Mahon <mjmahon@aol.com>]

Rockin' Kat <rockinkat@thecowsaysmoo.org> wrote:
> On 9/13/11 5:47 PM, Steven Hirsch wrote:
>> On 09/13/2011 08:37 AM, Leandro M Polimeno wrote:
>>> But since final of 2010 they improoved the board and if you look at
>>> amiga and
>>> atari foruns you see pepople telling it's better.
>> 
>> That may be, but keep in mind that both of those systems generate a
>> more-or-less conventional NTSC color output. The Apple 2 series are a
>> whole different ballgame.
>> 
>>> Let's see.
>> 
>> I agree. Will be interested to know if it can handle the aliasing
>> properly now. Mine sure as heck cannot.
>> 
>> Steve
>> 
> 
> I own an old NEC multisync monitor which can operate at NTSC
> frequencies... When I used it with my IIgs it doesn't get a very good
> picture... lots of noise in the picture.
> 
> Then I started getting all my game systems hooked up to my Sony PVM 2530
> via RGB and I went out and found a particular model of KVM that supports
> these signals and is relatively easy to find online for a fair price.
> When I was getting things hooked up I went to test it out to make sure it
> worked by plugging it into the IIgs and the NEC Multisync and was shocked
> to see that it cleaned up the picture immensely.
> 
> For the record, this is the model of KVM I've got: Belkin F1D066
> http://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l2736&_nkw=Belkin+F1d066
> 
> I wonder if it would that way in your situation with the converter board.
> 
> -Matt

An experiment worth doing would be to try a converter with
bandwidth-limiting capacitors from R, G, and B to ground. 

I'd start with 0.1uF caps, then move to lower values until the aliasing
worsened. 

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon