Re: Monitor pet 8032 on commodore educator 64

From: David Roberts <daver21145_at_gmail.com>
Date: Sat, 4 Jan 2020 10:54:42 +0000
Message-ID: <CAC5emFEZFQOe6OP8+AZ_cVXZ4YgcOj3Rx3YCyO0HezvGqcYEiw_at_mail.gmail.com>
What Frank says.

Dave

On Sat, 4 Jan 2020 at 09:26, Francesco Messineo <
francesco.messineo_at_gmail.com> wrote:

> On Sat, Jan 4, 2020 at 9:50 AM Steff <alienzone_at_gmail.com> wrote:
> >
> > Hi, i've a commodore educator 64 with no monitor, I've found a pet 8032
> > monitor that look like the educator one but have different video signals.
> > So, is there a way to make this monitor work with educator (that is a
> > commodore 64)? Can i found an interface or schematics to build one for do
> > this job? Thanks in advance..
>
>
> Short answer: no
> Longer answer: the 8032 monitor works at a very different horizontal
> scan rate, it should be around 20 KHz afair. Also I think the
> horizontal and vertical syncs have a particular duty cycle to allow
> the monitor circuitry to use less components.
> Also, video signal and both sync signals have TTL levels and have separate
> pins.
> A C64 on the other hand has a standard NTSC or PAL video composite (or
> monochrome) output (at analog levels).
> I'm sure something can be made to adapt this signal to work on a 8032
> monitor but I would not attempt that myself anyway.
> It would be easier to adapt an old CRT TV set.
>
> Frank IZ8DWF
>
>
Received on 2020-05-30 00:08:26

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