Tektronix 7844 dual beam osilloscope mainframe for sale.
Tektronix 7844 scope.
Tektronix 7844 rear view.
For sale TEKTRONIX 7844 DUAL BEAM SCOPE, Mainframe ONLY.
If you come by and pick it up at our location, you will save us the trouble of packaging it. For that reason, we will include the following free of charge:
- a Tektronix cart
- a type 3A9 plug in
- a type 7A19 plug in
- and drop the 7844 price by $50.
* The Main frame has a fault. It was running every day with four plugins at ambient temperature of about 22°C (everyday operating conditions).
One day turned it On and the main fuse blew. Replaced fuse, same result, removed all plugins, same result.
The following page gives the exact steps to fix this problem but it's too involved for us. So we have given up on this and use our other scope instead.
To see repair procedure for this fault go to this
Tektronix repair page.
The page is in German so click on 'go to English'.
If 'click' on the above URL gives a 404 error message, copy this link ( https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_mainframe/rep-und-kal/7844_reparatur.html ) then go to Google and paste the entire URL in the Search box. When it comes up, choose English.
Other alternative for repair;
Bob Koller at Four Designs can repair it. Contact him and get a quote.
His email
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