Electronics > Repair
Linear PSU question
Hrvoje_CRO:
Hi!
I have purchased for a cheap (20euros) a power supply made by unknown brand. The unit has a 1 analog instrument which shows voltage/current.
So the main question is why does my psu behave like shown in a video? I mean, why voltage jumps to the max. value during the powering the unit off?
https://easyupload.io/g4favk
Thank you and sorry for shaky video.
Hrvoje
IanJ:
No video, just a bunch of Ads and a link to some dodgy software.
Try YouTube or Odysee.
Ian.
Hrvoje_CRO:
Hi Ian!
Try it download from https://files.fm/u/f2x6wgwzbg here.
Thank you!
Kind Regards,
Hrvoje
tunk:
There may be stored some energy in a capacitor.
Try to put a load on it, e.g. an 1k resistor.
Photos of the inside may help understanding how it works.
Hrvoje_CRO:
--- Quote from: tunk on November 09, 2024, 04:31:40 pm ---There may be stored some energy in a capacitor.
Try to put a load on it, e.g. an 1k resistor.
Photos of the inside may help understanding how it works.
--- End quote ---
I agree! Tomorrow i will post some pics ;)
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