Author Topic: How to debug TDS-640A CRT display?  (Read 1770 times)

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Offline james_s

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Re: How to debug TDS-640A CRT display?
« Reply #25 on: April 06, 2019, 03:20:45 am »
Nice! I'm glad this all worked out, I love seeing another nice old instrument given a second life with the original CRT display resurrected. I have a TDS-784C which is a close relative of yours, I had to resolder some of the big ASICs and replace all of the relays in the attenuator modules but it has been working perfectly and is my daily driver. These are big heavy beasts but if you have the space they perform very nicely.
 


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