Re: Chroma/Luma (or s-video) Problems on 128DCR

From: Bill Degnan <billdegnan_at_gmail.com>
Date: Thu, 3 May 2018 13:10:05 -0400
Message-ID: <CABGJBudGTcZFXOi6Pn+x=-oiGsgM26c3W==PLFCO8DxWyZCUDQ@mail.gmail.com>
ALex,
For your exhibit, why not use a vintage display anyway?  Would it be easier
to adapt to a CBM display rather than the other way around, given you have
two weeks left?
b

On Thu, May 3, 2018 at 11:50 AM, Gerrit Heitsch <gerrit@laosinh.s.bawue.de>
wrote:

> On 05/03/2018 05:17 PM, J. Alexander Jacocks wrote:
>
>>
>> If this is the case, as you suspect, then I think that maybe we should
>> work on a general-purpose Commodore 64/128-to-LCD circuit.  I suspect that
>> all that would be needed would be to amplify the chroma signal.
>>
>
> The chroma output of the C64 is already too strong though. With some
> displays you have to add a 330 ohm series resistor to the chroma signal to
> get a stable picture.
>
>  Gerrit
>
>
>
Received on 2018-05-03 20:00:03

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