Products > Test Equipment

TEK 7603 CRT replacement alternative

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jonpaul:
Actually replacement of the CRT is not a trivial proceedure....

High voltage, implosion protection, complete CRT circuit,H and V calibration.

I recall the mainframe cal requires the standardizer cal plug-in.

Steep learning curve.

may be easier to find anothern7xxx mainframe.

Jon

H713:
Don't waste your time trying to shoehorn a 5110 CRT into a 7603. Two very different scopes, with very different CRTs.

Replacing a CRT already is something of a pain, because you pretty much have to recalibrate the entire scope. Replacing it with a significantly different CRT gets more into the territory of designing a new scope. Since the 5110 (and its tube, for that matter) is something of a dog, you'll still end up with a dog when you're done.

diyarpette:
Dear all,
thank you for your wise advices.
Although i am not a complete newbie (I have already fixed a few scopes, and am used to the voltage levels and implied risks among other things) I understand that trying to fit an other kind of tube would be creating a frankenscope,
I have subscribed and posted to the tek groups, and will contact vintagetek, as recommended, hoping to get a replacement crt.
thanks to everyone :-)
Pascal

precaud:
Over the years I've parted out several 7603's, I'm sure I have a good crt, but I'm in the US.

diyarpette:

--- Quote from: precaud on January 27, 2023, 01:51:07 pm ---Over the years I've parted out several 7603's, I'm sure I have a good crt, but I'm in the US.

--- End quote ---
Lucky you  ;) So much easyer to find this kind of part here !

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