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Hi Jerry ...thanks for your answer... .The TM501 mainframe power transistor (Power supply) not was moved, Since the pin alignment interfere with the screw body I just unscrew , and invert nut/screw

I bought a bunch of cheap probes about a year ago. I use them to spare the Tek probes wear and tear when I do not need the bandwidth. They work fine with my 485, my 453 and my Iwatsu SS-5710. As with

Thanks Dave!!

They are quite useful but not by any means perfect for any Tek scope that requires the read out pin which these lack. That said, I use them with my SC502 and the switchable ones all the time with my

Thanks Bob. I forgot the link though in case anyone wants to take a look. http://www.ebay.com/itm/270891613075 They do have adjustments at the connector Which one of the two I purchased did need a

Hi Gabriel, The pin povides a bit of insurance against misalignment of the connector. I would leave them when possible. I suspect the transistor mentioned need to be moved. Jerry Massengale

It is the split screen storage version of the 577. First thing is that he has set it up wrong, so all you are seeing is the flooded screen. Second thing is that he has selected a high voltage (1000V),

The "banana plug" is actually a mating pin. If you look inside one of your TM50x mainframes, you will see a circular fitting just behind and to the left of the slot guide. The circular fitting mates

The main differences among probes are durability and of course you pay for the brand name.? If it works and the specs are good, you are in great shape. Bob

TM500 plugin..why&what this like "banana pug" screwed in the rear end..? I have several TM500 plugin and different mainframe 501,503,504, and this "banana" come with some and not in other,also bring

Can you see the position of the intensity knob in the auction photos? DaveD

Hello everyone, a seller on ebay is selling a tek 577 with a fault, he/she is not fully 100% sure it is the crt. I can't afford a working one but am willing to restore one that is restorable(with

The fan squeals badly. Any advice? I found why it didnt work. Someone had loosened its plug so it wouldnt make noise anymore. So now I have a fan that runs but it squeals so badly I cant use it. A

The 211-221 series use non-attenuating probes. With BW of only 500 kHz (5 MHz for 221), the C loading is not really an issue. You could take any divide by 1 probe and mod it into the scope. However,

I purchased a pair of these probes for my 475 just because I really couldn't afford anything else. My question is will i ahve any issues with these on the 475? They seem to work reasonably well They

Qservice may have some:? http://www.qservice.tv/vpasp/shopdisplayproducts.asp?id=220&cat=TEKTRONIX+Probe+Parts+-+Accessories? You need the part number. I bought some of the tips for the 211 there.

An isolation transformer, a Variac, a GFI, or an Isolation Monitor are no substitute for caution and common sense. They are tools that, when used properly, can prevent some dangerous conditions from

This link doesnt work and I cant get one that opens directly. So, here is a substitute. This link to the Files at TekscopArc: http://tech.groups.yahoo.com/group/TekScopArc/files/ Then scroll down and

PayPal also marks up the exchange rate. I don't know if 7% is the right number, but I don't think it's far off. I'm surprised Walter doesn't have a USD account though.

I would think a lot depends on how the probe is compensated, and what load is necessary. I'm not familiar with the 214 and it's input circuitry, but you may have to do more than just solder a BNC