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Thanks Dave. I suspected that a bad NVRAM will let the scope at least get as far as the DPO splash screen. I guess I have a deeper problem. Can anybody else suggest where I should look?

(No, he didn’t. That’s what you get for replying after just skimming a thread. Promise to better myself.) Grü?e, Carsten

Old devices often have a characteristic smell, e.g., from the dust that is being cooked inside the device. Some of this smell unfortunately stems from leaking capacitors. Is there a guide somewhere

How about heavy duty, large Zip Lock bags ? 73, Dick, W1KSZ

Well he did give it away, no? Grü?e, Carsten

The zipper bags packed with Shure Microphones - sm58 and others? 73, Bill, WA2DVU Cape May, NJ

Depends on the response of the scope you are adjusting. 1GHz at 350ps rise is as far as I go without sampling plugins, so a couple of transient wobbles at ~15GHz at 3% p-p really doesn't matter. So

Yes, Qservice sells CRTs, you could contact them about a compatible part. e.g. https://www.ebay.ca/itm/Tektronix-2232-2235-2236-Oscilloscopes-CRT-In-Good-Condition-Part-154-0861-00/382662159109 based

Hi, I have been faffing about with a 466 with a channel 2 problem for a few weeks, and though I might eventually sort it, I thought I would consult the experts and possibly save a bit of time. The

Sometimes I do a "shakedown". All angles and shake shake shake. It'll get things out that compressed air won't sometimes. Sometimes I had to do it on some rather large TVs which might require help,

Oops! I thought you meant the little clear vinyl bags that hold the probes and tips... I missed the "manuals" part. -Chuck Harris Chuck Harris wrote:

I have bought one or two off eBay. Don't forget that there are two sizes for the 4xx scopes - the short one fits the 468 and scopes with the DMM "penthouse". You also need to have a case with both of

All the originals were was pencil bags for kids to bring to school, clipped into their 3 ring binders... Perhaps try a stationary store? -Chuck Harris David Slipper wrote:

I haven't tried Leo's product, so take what I say with a grain of salt, or two... The only issue I have with Leo's product is that according to his pictures, it doesn't have a very good flat top and

Hi Dave Although it is difficult to know where your "spare" screw came from please make sure that the rear right hand side case screw ?is present, it is part of the power supply heat sink path and is

Hi Where in the world are you, it would be helpful if such requests included such information as shipping cost are a major factor in the viability of supplying spares. 73 George G6HIG

Try cleaning the beamfinder switch with alcohol, exercise it 10-20 times after that.

There are several CRT that fit that scope some come with a different HV lead so don't throw the old one away yet before you know if you need to chop off the lead and use the one from the broken CRT.

I have a Tek 2235 o scope with a 1 1/2” vertical solid and fixed y-axis amplitude display that appears on both channels. Changing gain has no effect on the display, neither does changing the focus.

Hi, I recently acquired a Tek2465, it seems to work ok, just one thing is that the vertical height is off the top of the screen (the text is half cut off). I can't seem to find a way to narrow it down