I will second Michael's recommendation. The little adapter boards make for a very neat and professional looking repair. In a pinch I've used PNP blue to etch my own, but it's easier to buy them

Hi, I can be interested, do you have the part numbers of the available PCBs? I have a 7623 to repair/upgrade. But almost all PCBs between 7623 and 7633 are common. In fact, it seems 76xx series

Greg i have to disagree with you on this one. Tektronix them selves used to have a product called "no noise" this was actually replaced with wd40. A can of wd40 actually has a tektronix part number.

It depends on the particular construction, which may vary a lot between brands. styles, and grades. If you refurbish a pot and it still binds after thorough cleaning and lubing, look at all the

Be careful using oil on a potentiometer. I have seen some pots where oil has loosened the binder holding the carbon to its surface and ruined it. In addition oil works wonderfully to capture

Hey Roger, Outstanding, congrats on getting the traces going! TEST04 means your calibration data is gone, and you'll have to re-calibrate the scope. See pages 6-11/6-12 in the service manual. It's

Yes, getting the pots out may be the hardest part, whether you refurbish them or replace them. Again, I don't know how accessible they are, but at least they're on the periphery of the front panel. If

Progress! I had already replaced R2012 but forgot to check R2013, which was open! Both have been replaced with TE RN73C2B10KBTDF from Mouser (10K, 0.1%, 10ppm). Now the scope boots with TEST4 FAIL2

I have restored several of this family of scopes. Finding OEM style caps that are good is not a really viable option. I use Modern radial lead caps and these

You are describing the "A & B" (Allen Bradly) pots. I just got through going completely through my 475 after years of putting up with attenuator "leaf springs" not making good contact and the

Hey Roger, If your DAC's off, then all bets are off, and this could well be your sole problem, so kudos on measuring the +1.36V and the -1.25V references. The DAC's reference is a current, not a

Jeff contact me off list and we can see what we can work out on the calibration. But tek them selves is a calibration option as well I called them about a 465 a while back and they quoted me $100.00

I recently acquired a TEK 475M and purchased a hard-copy manual for it. I put the probe on channel A input and attached it to the calibrator. Then I moved the probe plug to channel B input. The

Derek, First where are you and then if it’s the US which elastomer do you need. I have a number of ‘pulls’ that are available for $10+shipping. Regards, Stephen Hanselman Datagate Systems,

This time I got the error message test 4 fail2 (but still no trace), but I guess it is not the main problem for the moment. I tried to check the +1.36V and the -1.25V as suggested in other trend, and

Hi all, Yes very old post but i thought i would add my findings to hopefully be helpful to others.. My screen also has gone into the dreaded displaying garbage symptoms. After spending a lot of

Hi stan i would look in your inputs.. if one of the input is not good/out of spec.. you can get an spc fail also.

I have the CRTs and PCBs from three scrapped 7633s (EHT failed). In Kenilworth UK Can ship if needed, but prefer collection for the CRTs. All good AFAIK. Offers ... David

Take some or all

Don't sweat it - we've all been there. I spent hours trying to suss my 2467, where the beam finder was simply stuck :). Vertical gain has also no effect. Everything you're seeing could be explained