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Re: 2465B low serial - checksum & recapping


 

On Wed, Apr 9, 2025 at 11:53 AM, Giuseppe Marullo[iw2jww] wrote:


RECAPPING
Of course, if I have someone to recalibrate it, I may well think of
recalibrating it AFTER recapping.
I'm very interested in the topic of 'recapping.'
I know there was a problem with some brands of electrolytic capacitors, coming from China, circa 1999... and that has an effect on those things manufactured that used them... mostly from China.
Yet...IME... what I have seen is more damage to the PCB, then good.

What's the motivation for ordering a capacitor 'kit'... and doing 'shotgun' replacement of capacitors?

IMO... if one does not take the time to test... for a bad component... and then to identify, and specify the appropriate component....
Well how do you know, you are not replacing something, with something that is worse?
Also... but importantly, using inappropriate de-soldering, and soldering tools, and supplies, risks damage to the pcb... which might not be trivial.

--
Roy Thistle

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