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The Tatung Einstein |
Tatung Einstein Site
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Introduction
Welcome to my pages about my Tatung Einstein TC-01, bought
off eBay in 2017. I'm not really sure why I bought this - I
definitely don't have time for yet another retro computer! I
think knowing that Tony Brewer had created a version of his
Memotech MTX
Speculator
for the Einstein got me interested in seeing one, though I doubt
that I will ever get much time to explore it!
The machine that I bought came with pretty much the complete
bundle that would have been supplied in 1984, including the
optional Tatung TM-01 colour monitor, manuals, the system master
disk and a couple of other game & utility disks. As might have
been expected, 4 out of the 7 disks that I received with the
system were unreadable; the seller listed the games as
"untested", but I take that to mean that the disks wouldn't load
for him either.
The biggest disappointment though was the monitor, the screen
was unusable; although a picture was displayed, the only colours
presented were shades of Blue, so it looks like both the Red and
Green channels are faulty. The Einstein TC-01 has internal
jumpers to switch the video output between YUV (default) and RGB
and the TM-01 monitor has a selection switch to choose between
YUV/RGB analogue or RGB TTL video signals and the monitor output
was pretty much the same when trying to display either of the
TC-01 analogue modes.
I was able to display reasonable quality output from the
modulator on a TV which pretty much confirmed that the TC-01's
video generation circuits were working so I tried to display the
YUV (component) video output on the TV too. I made up a cable to
connect the 6-pin DIN output from the TC-01 to the component
video inputs on my TV but wasn't able to get a picture - my TV
reported "Invalid Signal". I then made up a cable to connect the
TC-01 video output to the RGB lines in the SCART connector of my
TV, changed the TC-01 video configuration to RGB and was able to
get a pretty good quality picture on the TV.
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