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Albert There were apparently two different versions of the board 670-4177-xx and 672-0538-xx ( look at the 1st page on your parts list in the manual) It is not clear to me looking at my copies of

Hi Dave, All my 7B80s have A1 board 670-4177-00. Actually, 670-417 is etched and the last 7 is in ink. Probably because the same board cold be prepared for use in a 7B80 (4177) or a 7B85 (4179 with a

Good Day, a Tek 2101 pulse generator is on sale on ePay, see item # 150856739339. I have no affiliation with the seller. Cheers, Magnus

Albert & John What is the part number of your respective boards Dave -- Dave& Lynn Henderson Manuals@... www.Artekmedia.com PO Box 175 Welch,MN 55089

Hi John, It's still confusing for me, is "the same results" what you found before? My board contains 3 ICs (Uxxx), not 2. I will send you pictures off-line. Albert

Hi Fabio, sorry to hear about that! Are you confident about this? No sign of life, if the trigger is set to AUTO & LINE, and inserted into a vertical compartment of your 7704A? If you need any

On 07/15/2012 12:57 PM, keithostertag wrote: > Good News! We now have a working CRT and R7903! > > The Short story: After replacing one resistor the screen came alive. After some adjustments there are

Ouch! I managed to kill my only one timebase. Probably inserting and extracting it with the mainframe powered, now the 7B92A doesnt trigger anymore, it triggered before :( Fabio. P.S. Yes I know, I

Hi Jerry, I need the Horiz Pot (MAG und POS) R788-2,5kOhm / R790-1kOhm. What will it cost shipping to Germany? Many thanks Gerhard

Albert Replied ----------------------------- Hi John, It seems that you mixed up two ICs. At my B058082 PCB, U722 is a round case CA3130, while U842 is a DIL labeled 0067-02 (741 in another unit).

Gel Gloss has some kind of silicone sealer as part of it.

ALLLLLLLLLLLLL RIGHTTTTTTTTTTTT YOU GOT IT! Good work….enjoyed it too….. JIM

Tucker has it for $15. http://www.etestparts.com/Search.aspx?Mfg=TEK&Page=22 I found a few more with google. Tom

I am looking to buy a Tek IC part number 155-0018, zero logic chip. I can get one from Sphere, but the across-the-border shipping is silly high. Please contact me off-list if you have one for sale,

Thanks much Rob for the article. Also, I will want to look into the possibility of using a pulse generator and counter in lieu of a marker generator- learning how to do that would be useful and

I finally bought a broken pre-B040000 PG-506 and have repaired and recalibrated it. It had one bad Signetics 7475 produced in the 10th week of 1979 which I replaced with an even older Fairchild

Gotcha. It is funny how these things work out. I guess we need to find someone with both 7B92A versions and an SG504 or equivalent to measure any difference in the triggering sensitivity. I thought

Congratz Keith. You for sure deserve a good scope if nothing else for your tenacity. I agree the community sure came together and helped you through this. Very impressive and I learned a lot as

Hi, I am parting out 2 7D01s and a DF2. Nothing less than $2 plus postage and handling cost. I am downsizing so trades are unlikely. Will combine for multiple parts. Make offer off list. Charity

Hi David, I got this "hybrid" 7B92A through a swap with my earlier tunnel diode based unit. I only received my SG504 (and SG503) after that so I don't know my earlier 7B92A's trigger behavior by