https://www.eevblog.com/forum/repair/a-tektronix-tds3014b-with-two-strange-issues/

Optocoppler im Schaltnetzteil tauschen,
Elkos tauschen.

Batterieumbau:
https://www.eevblog.com/forum/repair/tektronix-tds-3014b-power-supply-by-pass/

https://www.eevblog.com/forum/testgear/battery-voltage-and-for-tektronix-tds-3000-series-oscilloscope/

https://www.youtube.com/watch?v=Su6dT2l4Ulo


Repariert defekten Anlaufwiderstand und 
zeigt wie man alle Optionen freischaltet:
https://www.youtube.com/watch?v=i1UjxgIGues
https://www.eevblog.com/forum/projects/tektronix-tds3000-oscilloscope-modules-tds3uam/

https://groups.io/g/TekScopes

neueste Firmware:
https://www.tek.com/de/support/software/firmware/tds3000-and-tds3000b-series-firmware-fv341

http://forum.tsebi.com/viewtopic.php?f=4&t=113

https://hackaday.com/2014/07/28/cloning-tektronix-application-modules/

Floppy to USB
https://www.ebay.de/itm/291291990999

https://hackaday.com/2020/07/18/reverse-engineering-teaches-an-old-scope-new-tricks/

https://hackaday.io/project/172242-extension-card-for-tds3000-scopes