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I finally tracked down a shorted 2.7uf tant on the timebase board and got that replaced today. After putting everything together it booted up and passed all the self tests. I have it hooked up to my

I have these items for free for any longtime Tekscope member (you pay shipping): Part# 016-0083-00 Collapsible viewing hood for Types 453 and 454. One place I see it is on page 443 of the 1970 Tek

The key to this one is to understand that……by claiming to save a couple of bucks we can easily justify the repair taking 3 to 5 times as long to implement than is should….. thus turning a 1

On Sun, 17 Mar 2013, Gala Dragos wrote: I can not understand guys, WHY BOTHER? You can get DS1230 from Mouser for something like $15 (I purchased one a week ago to replace DS1225Y in my 2467B scope.)

Who got that? Anyway, thanks. I do not need another project. I do not need another project ... -- Paul Amaranth, GCIH | Rochester MI, USA Aurora Group, Inc. | Security, Systems & Software

The solution I used for my 2440 which I have discussed here a couple of times was to use the SRAM and EEPROM based NVRAMs from Cypress which as far as I have been able to tell in this case, can be

Ebay 121082875612 no affiliation Jay

You could add extra logic and a counter to switch between fram chips and increase the mtbf time, or even better make your own NVRAM. Oh, and if you keep the fram at 25?degrees?Celsius?you will

I checked all these Z diodes. They are all ok. Gerhard

If I'll have the time to do that, I'd better write another software. Isn't there anyone who has the software images for the eproms? My instrument has version 1.1 and I've seen pictures of instruments

No adjustment necessary. The firmware will know the difference. You can also buy more RAM chips and solder them on to your board and it will recognize the extra memory (did that to mine). Dave Casey

Came across this site via a former co-worker at Tek. Looks like an interesting site. Titles available for downloading in Adobe pdf format at: <http://www.tubebooks.org/technical_books_online.htm> Lots

Dave, Thank you, is an ajustment necessary after swapping the RAM board? Gerhard

There is a complete service manual here: http://yourmanualsource.com/index.cfm?fuseaction=product.display&product&#92; _id=158852

Yes Dave

I have two 7854. 1st one opt 2D(extended memory): I can store a signal, but it doesn't show the stored signal in the store mode, it shows only a horizontal line. 2nd one opt 78(P11 CRT): It works

Mr. Silva, Its been a while. How is the 2465B going with FRAM ?

Hi, I know that this is a off subject but I have a farnel FG1 (function generator) generator with an issue and would like to produce an extender card. Some help identifying the connector would be

I've found out that A03W101 really go to nowhere. Following the circuits it goes to A04 board into some resistor which is not mounted. So I'm at a dead end. Any ideas ?

Hi, http://www.jvgavila.com/awg-2020.htm Here is a repair detailed out for a different problem on AWG2020. But the cure was that the leaking Electrolites had to be replaced and, also the trcks on the