PAL video in the states
billdegnan at gmail.com
Fri Jan 13 07:09:14 CST 2017
I used to have a little 13 in tv that could handle about anything I
plugged into it, some are made to handle both pal and ntsc automatically.
Ebay comes to mind, I am talking in the crt days, not sure if they still do
all that for LCD tv's but why not?
On Jan 13, 2017 7:36 AM, "Tony Duell" <ard.p850ug1 at gmail.com> wrote:
> On Fri, Jan 13, 2017 at 10:47 AM, Corey Cohen <AppleCorey at optonline.net>
> > So I have a friend who is originally from the U.K. He has his old BBC
> micro from when
> > he was a kid and wants to be able to use it here in the states. His
> parents threw out his old TV in the U.K.
> There was actually an NTSC version of the BBC micro. I think you had
> to fit a different colourburst crystal,
> change a link to disable the phase switching of one of the colour
> signals (which is what PAL means, of
> course) and a different operating system ROM to reprogram the 6845 for
> US rates. The last is probably the
> hardest. But anyway...
> > Is there a way to use a BBC Micro PAL version with a modern US LCD TV?
> Do some brands of modern
> > TVs support both NTSC and PAL? Let's assume he may need to grab video
> before the modulator.
> I don't know about US TVs, but a lot of UK TVs support NTSC video.
> You have 3 video outputs on the Beeb :
> UHF RF. This is the old UK analogue TV standard on what was channel
> 36. PAL encoded
> Composite (on a BNC socket). This is UK scan rates, and monochrome by
> default. Fitting a
> link on the PCB will get PAL colour there.
> RGB (on a 6 pin DIN socket). TTL levels, 3 colour signals (so 8
> possible colours total) + sync.
> If you can find a way to use that, do so. It gives by far the best picture.
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