I have this scope here and it is doing weird things. First thing is when the Diagnostics are run, it displays a couple errors. "Processor" displays Result 114 with 1 Failure Count. "Acquisition"

There's a ton of them on eBay. Burt, K6OQK

The Tubestore has them for $20 each. That’s not a bad price. https://www.thetubestore.com/6gm8-ecc86

I don't know of any equivalents for the 6GM8 or ECC86. It's a special dual triode designed to run at very low plate voltage and the maximum quoted in the datasheet is only 30 volts. If you have a tube

Try a ECC86 http://www.r-type.org/exhib/aaa1161.htm Dave G8KBV.

Are there substitutes for this tube ? I che3cked mine on a TV7 tube tester and got 0 reading for transconductance test. I thought the TV7 manual had wrong settings but I think its right. Regards,

Understood. So if you didn't do anything except take it apart and then reassemble it. The most like issue is a cable that is not on right. Very difficult to diagnose that over messages. Also, the

Hi, I didn't recap, everything is original.

Jorge has a 2465A, so no need to worry about SMD caps failures. Jorge --- one quick question. Did you by any change pull off all the caps and then recap using the service manual as a guide? There is

Hi Richard,The LVPS?Thanks,GeorgeSent from my T-Mobile 5G Device

Hi George, The issue you show on the YouYube video is power supply capacitor failure. Both my 2465's had this problem. Richard

Merci!!Sent from my T-Mobile 5G Device

More....test 05 fail 24 applies a mains low voltage sine to the trigger hybrid input The fail certainly indicates a mistake in connection probably at CT option board or failed trigger hybrid. See

Bonjour monsieur Have many 2465/7/A/B some with CTT. Recommend 1/ post photos not video of symptoms, boards, etc 2/ post on both tekscopes2 and tekscopes, not the same 3/ get complete service

I posted this on the EEVBlog's gigantic thread but have gotten no replies, hopefully I'll get some hits here: Hi all, I'm also a "happy" owner of a 2465A CT. I was having issues with the display

-------- Forwarded Message -------- Subject: 1405 SSB adapter for TV Date: Sat, 17 Aug 2024 21:01:40 -0400 From: Glenn Little WB4UIV <glennmaillist@...> To:

Morning (UK time) At Tek in the UK, at the old Harpenden site in the late 70's, we used to jet-wash 'scopes (the older 500 series, and some 400 series.  With an industrial detergent/water mix, then

I routinely run boards through the dishwasher, including many boards from these TDS scopes and have yet to kill one. Latest run was an old Asus motherboard (with ISA slots for NI GPIB cards to get a

From the early '89's, I used to buy "ex-rental" colour TVs. If I got a really "smoked up" set, After blowing off any loose stuff, I would remove the chassis and transfer to kitchen sink. Hot water

Ah, this brings back some memories from when I worked for TEK as a FE in one of the field offices. The service department had a wash rack where they would hose down incoming hardware, and then bake