Does anyone know what can cause the screen image to collapse and only show a large dot in the middle of the screen on a TEK 2430? I'm new to this group. I post a photo in "Tek 2430A collapse Screen im

Does anyone know what can cause the screen image to collapse and only show a large dot in the middle of the screen on a TEK 2430?

Hello Group, I am interested in getting my hand on a 7934. I have a 7S12 TDR/SAMPLER with the S-6 Sampling Head and the S-52 Pulse Generator Head, in beautiful condition. I would really love to put he

Hello, I have an TDS744A oscilloscope, which is working really well. Just adjusted screen brightness and it is almost as new! I believe I've seen some discussions that the heat transfer paste (silicon

adesilva_1999@... added the album TEK 465M U550 block construction: This is in ref. to the thread: Tek 4654M; No Trace, No +5V, No +95V; Help The following photos have been uploaded to the TEK 465M U5

I am trying to bring a 485 scope back to life and I've been trying to find a problem in the scope power supply. When turning on the scope, I get the dreaded "clicking". However, it will power up occas

Hi all, I recently became the proud owner of this gigantic hunk of atomic history. Scope is in excellent shape and runs mostly fine but there are three problems that I have found and would like to try

The following photos have been uploaded to the 519 album of the TekScopes@groups.io group. IMG_2F8D9033828F-1.jpg IMG_693C1340128D-1.jpg IMG_4E66CC407050-1.jpg IMG_A51ACC1660A1-1.jpg IMG_FB59A0CF1A4A-

Free to a good home: National Instruments DAQCard DIO-24 that I can no longer use. It's a PCMCIA digital I/O card. I no longer have any laptops with PCMCIA slots. Yours if you want it. It's complete w

Hello all, The S-100 stuff is sold and paid for. GOD Bless and Thanks, rich!

Greetings, after replacing the NVRAM in my 11A72 and resetting the SN and performing a few EA operations in my DSA602A. I am getting an 1141 ChksumTweak error. I have tried manually setting an offset

I have a problem with X-Y mode not working on my 468 scope. The spot it hard left and beamfinder is required to show it. Other running traces are absolutely fine. I had another discussion open for the

Bonjour a tous: Have a Hameg HM103 scope found at a flea market in Paris for EU7, dead unblanking circuit but otherwise OK. I have replaced the optocoupler, CQY80N, NPN, BF199 PNP BF440, and checked r

Hello all, It looks like the S-100 stuff is available again. Sorry for the confusion! GOD Bless and Thanks, rich! On 10/18/2020 12:36 AM, Richard Pope via cctalk wrote: > Hello all, > The S-100 stuff

Generally I do not cross post, but it seems to me appropriate in this case. These are the lists where the people I admire hang out. Some time ago I created the group, but only informed a single person

From Tim P (UK) ebay: 193462625382 Even has a Tek cal sticker on it. I suspect the only thing 'Tek' about it is the case. No internal shots either. Anyway Tektronix never got into audio gear ?? curiou

Does any one happen to have the original service manual for a 577 D2? It seems I have one of the very early ones # 124. I went through the calibration document that is available on line but there seem

Hello all. I have 22 S-100 boards for sale. There are two backplanes. One is a 9 slot bare board and the other is a 19 slot fully populated board. Both boards have active termination. There are 8080,

Hello all, The S-100 stuff is sold pending payment. I appreciate the interest and help! GOD Bless and Thanks, rich!

Hello everyone! I recently purchased a Tek 2465A. It's unfortunately not working completely, and I kindly ask you to help me repair it. I was able to resolve the 1st issue which it had, but I need hel