Yup!  They pop up all over user groups and youtube comments.  The "safety nazis", the folks who demand you use a crescent wrench correctly (why can't I turn it in the wrong direction or use it as a

On Wed, Aug 5, 2020 at 11:53 AM, Tom Gardner wrote: Tom, My replies interleaved > I hope I'm mistaken, but it looks worse for private sellers.... True! It is always worse for the sellers, even

I checked the +130 and -50V on the A20 horizontal amplifier, the -50, +5, -15, and +15 on the A19 vertical amplifier, and the +15, +5, and -15 on the A13 readout board going to the powered probe

When I get converted I plan on opening a checking account specifically for that. Ebay said there's no opt-out after you're in. BS, I can close that account! Vince - K8ZW. -- K8ZW

eBay will be accepting PayPal for payment from buyers through at least 2023. If they stop taking it after that, a workaround will be to get a PayPal debit card. What they are no longer doing is

I hope I'm mistaken, but it looks worse for private sellers....  - you might need to dispatch goods before receiving payment; I've had a couple of non-payers recently  - you have to give ebay your

Straw man much, Roy? You would probably be mortified that my father, also an EE, but of the power and light variety, gave me a 513D oscilloscope for Xmas; when I was a tender young man of 13. At 13,

Can you just confirm which low voltage DC supplies you checked when you said they were all OK? Roger

It looks like the 'main' Zaxis signal, which contains both the brightness level and the unblanking pulse, is not getting through to the Zaxis amplifier. The inputs to the Zaxis amplifier from the

I may have to close my Ebay account if they stop accepting Paypal. I average several hundred purchases, per year. yahoo.com@groups.io> wrote:

It was an admin error, they will post them David.

I think the faint line between the peaks at the top is the flyback line (the trace intensity looks much higher in the image than it is in real life): https://imgur.com/a/KKS7vMp I've discovered

No logo or anything on the reverse side and they are red. Not much to take a picture of. Both were originally covered by shrink tubing. /Håkan

Just had a quick read of the Theory of Operation and Calibrations setions of the manual. R250 is to set the DC level of the triangle wave before it goes into the triangle to sine converter. It needs

wrote: On page 5-11 of this doc http://w140.com/tek_made_sm.pdf, there's a description of this one.

"Hi pitti_pu, I am puzzled by this part number. The 7L5 service manual confirms it is correct but there are no 155-0035 ICs. In fact there are no ICs starting with 155 in any of the Tek Semiconductor

That's a start place.  Knowing how it works, you can start at either end and work towards the other. Harvey

and also... DaveC wrote: Newbie: I have a butter knife and a 10.00 meter (says DMM on it, what's that?) Anyway, I'm trying to fix my 2465 oscilloscope... it doesn't work. Can someone help me. Gumpy

That is the whole point of using PayPal, not giving out my Card or Financial information to everyone, not allowing card information to be stored on E-Bay and multiple other servers or transmitting

Håkan, Thank you that's really helpful :) . I haven't been able to find a matching VDR / MOV , are there any symbols or a manufacturer's logo, anything on the other side or even just the colour of