If our cores can be rewound that may make things easier? I would pay $200 for either new or rewound 453 HV XFMR done with professional quality. Doesn't make good economic sense I agree, but I would

Maybe it can be seen from

I'm sorry, I forgot that attachments are not allowed. I will upload it somewhere and I'll send the link. --- El software de antivirus Avast ha analizado este correo electrónico en busca de

Could this be used? It is with me more than 40 years, probably it was manufactured by Pomona. Ignacio EB4APL --- El software de antivirus Avast ha analizado este correo electrónico en busca de

I think I can find some probes. Ask off list if interested. john@...

This may be of interest to the Tek Group so I am going on line again. I got my 576 working again. It was one of the push-on connectors on the top left board. I have had trouble with those long ago on

Hello. My FG502 has no signal at the Output jack (but there is DC at the Output jack as described below) and no signal or voltage at the Trigger Out. The positive (+20, +17) and negative (-20, -17)

Starting disassembly on the 7613. It has power, vertical, horiz pos., no sweep, no store. 7633 B152130 gives a flooded screen, 7633 B111088 has no power with fuse intact, and power present at the PS

Everything is referenced to the -150V supply. It must be right, or the others will behave truly weird... like you are seeing. Start there. Also, the 585A has DC filaments. If it doesn't have a

If you guys are all willing to pay in the $200-300 range, like the custom made stuff that was done for the 576, I'll start winding again. -Chuck Harris Dave Daniel wrote:

Hi, I’d never heard of ‘gaffer tape”. Why not just plane plastic electrical tape? Larry

Hi, Interesting! First, somehow I would not expect Tek to reduce themselves as you describe (obsolescence). Second, the meaning of the size (2.33 - 2 MHz). Thanks, larry

That would make sense, thanks for the reply

And 547s and 7934s ... DaveD

I wonder if the same company could make a batch of HV transformers for the 453 scope? I think several users of this group, including myself, have 453 scopes with bad HV transformers. Thanks, Harry

Hi To All, Around April this year I uploaded the most relevant SD-Patent Papers in a special Folder on TekScopes. named: Patent Papers SD_heads e.a. Enjoy. Greetings, Egge Siert

Probably will begin disassembly by noon on the 7613. One 7633 gives a flooded screen, one has no power with fuse intact. Will check for power cord problem before taking apart. Have not checked 7613

Something like an RG58 crimp BNC plug and remove the outer locking ring (with extreme prejudice) looks like it would work on mine, feed the wire through the shield 'spigot' and secure with RTV or even

When I went to put on a standard soldered BNC plug I found there is no shielding in the cable, only a pretty thick set of strands for the inner conductor, so I was unable to even fix the outer cover

I have probably concluded it rather than established it. In 1987 Aki was with Tek, in 1992 he was already with Hyperlabs. 11800 came out in late 1980's? Agoston Agoston is listed as an inventor in