Timex sinclair RF switch
3 messages · 2002-08-04 → 2002-08-05 · Yahoo Group era · View archive on archive.org
Participants: James Coles, William McBrine, Hector Jorge Picone
Preserved from the Timex/Sinclair 2068 Yahoo Group (2001–2019), which is no longer online. Text reproduced from the archive.org archive; email addresses masked.
Messages
1. Timex sinclair RF switch
James Coles · Sun, 4 Aug 2002 14:29:
Hello all. I have a timex Sinclair 2068 with no RF switch. Would
anyone know where I could get one from?
Thanks,
2. Re: [ts2068] Timex sinclair RF switch
William McBrine · Sun, 4 Aug 2002 19:40:
On Sun, 4 Aug 2002, James Coles wrote:
> Hello all. I have a timex Sinclair 2068 with no RF switch. Would
> anyone know where I could get one from?
I don't know if you'll find an exact replacement (these devices aren't
nearly as common as they used to be), but it's easy to work around it. The
output from the RF jack on the 2068 is the same as you'd get from a
standard 75 ohm TV cable, only via an RCA plug instead of an F connector.
You can get an RCA-to-F adapater or cable at Radio Shack, along with a
switch, if needed. This is probably a better solution than the original
switchbox anyway, since that device is oriented to 300 ohm connections
(with two screw terminals), while most or all recent TVs are strictly 75
ohm (F connectors).
Even better would be to connect the Composite output of the 2068 to the
video in on the TV; that will give you a better picture because it
bypasses the modulation and demodulation (tuning) steps. At the time the
2068 was made, such connectors were not common on TVs, but nowadays
they're nearly universal. Failing that, you can connect it to the video
input on a VCR (even more common than on TVs), and pass it to the TV that
way. (This may or may not be better than using the 2068's internal RF
modulator.)
--
William McBrine <[email]>
3. Re: [ts2068] Timex sinclair RF switch
Hector Jorge Picone · Mon, 5 Aug 2002 14:42:
Hello TS lovers,
I agree with William.
In my "old" TV, I connect via coaxial cable the
2068 RF output to TV F input, using one RCA jack in
the 2068 side and F jack in the other one. It works
fine.
In my "new" TV I use the video input.....with my
wife/son OK, of course!!
But if James want to have one "original" TS pack,
I`ll look for some RF switch in my country.
Regards,
Hector.
> > Hello all. I have a timex Sinclair 2068 with no
> RF switch. Would
> > anyone know where I could get one from?
>
> I don't know if you'll find an exact replacement
> (these devices aren't
> nearly as common as they used to be), but it's easy
> to work around it. The
> output from the RF jack on the 2068 is the same as
> you'd get from a
> standard 75 ohm TV cable, only via an RCA plug
> instead of an F connector.
> You can get an RCA-to-F adapater or cable at Radio
> Shack, along with a
> switch, if needed. This is probably a better
> solution than the original
> switchbox anyway, since that device is oriented to
> 300 ohm connections
> (with two screw terminals), while most or all recent
> TVs are strictly 75
> ohm (F connectors).
>
> Even better would be to connect the Composite output
> of the 2068 to the
> video in on the TV; that will give you a better
> picture because it
> bypasses the modulation and demodulation (tuning)
> steps. At the time the
> 2068 was made, such connectors were not common on
> TVs, but nowadays
> they're nearly universal. Failing that, you can
> connect it to the video
> input on a VCR (even more common than on TVs), and
> pass it to the TV that
> way. (This may or may not be better than using the
> 2068's internal RF
> modulator.)
>
> --
> William McBrine <[email]>
>
>
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