Tatung Computer Forum

Hi, I set one of my Cub monitors to RGB analogue and connected it to the TC01. When powering the monitor on I could see the Tantung welcome screen, but as soon as the monitor had warmed up the brightness level was far too high and I just got an all white(ish) screen. My Cubs don't have VR134 ...

Thanks Ian,
Yes the video signal levels are very likely the issue. I tried using the TTL input on my Acorn 28-ADF32 monitor, which uses the BBC and Tantung DIN pinout, but it also has a 1V p-p SCART input. I'll try a different monitor such as a Cub set to analogue RGB.

Regards,
John

Hi, I have owned a TC-01 for years, having bought it at a computer fair in Essex and then put it in the loft. I finally got it down this week, first thing checked was the PSU, I disconnected it and saw it had no Rifa capacitors fitted so I powered it on and found the output voltages were all OK. I ...

Hi,
Try running one under CP/M.

https://forum.vcfed.org/index.php?threa ... p-m.43540/

suggests IMP or MEX (I've not tried either, but did use ZIMP on a Zenith once).

Regards,
John

Well done, glad you fixed it!

Regards,
John

Well done Adam in getting your monitor very nearly perfect.
For issue #1, is the problem the frame retrace not blanking? See
http://easkcom.blogspot.com/2012/05/why ... occur.html
for descriptions of the problem. Can then look for possible causes.
Regards,
John

Looks like you opened a month early
Hope to visit one day,
https://m.facebook.com/northwestcomputermuseum

Regards,
John

@vanpeebles I have been compiling a list that has been in the works for about 12 months of all the Einsteins I have seen or heard about across the web (eBay, Facebook, Shpock, Insta etc). I have about 100 machines on it at the moment .. That's how many there are left in the world?? Hello All ...