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Accurate Low Amp Current Probe Advice

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Martin72:
I have now opened my TM502 after all.
The capacitors are still the original Sprague ones, date code 1987...
2 x 4700µF and one 18000µF. They obviously wanted to be on the safe side and didn't want to install too little. ;)
And while I was at it, I also opened the AM503 A, where all the capacitors are still original too.

KungFuJosh:
I bet those Sprague caps are worth some money! 😉

I think my 503B might have been all original on the caps too? I assumed the blue Nichicon caps were newer than the other caps (and also because a lot of manufacturers will use only the same brand for consistency), but maybe not.

Martin72:

--- Quote ---I think my 503B might have been all original on the caps too?
--- End quote ---

You can actually always see that at the solder joints.
You can solder as well as possible, hand soldering always differs from those “professional” from the soldering machine.

KungFuJosh:

--- Quote from: Martin72 on November 12, 2024, 08:48:41 pm ---
--- Quote ---I think my 503B might have been all original on the caps too?
--- End quote ---

You can actually always see that at the solder joints.
You can solder as well as possible, hand soldering always differs from those “professional” from the soldering machine.

--- End quote ---

I know, but I assumed when I saw the different brand of caps, so I didn't pay any attention when I replaced them. Oh well. 🤷

Martin72:
The electrolytic capacitors in my 503 module are all from Nichicon.

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