Wate 180W charger schematic

Miwer

10 µW
Joined
Feb 25, 2020
Messages
6
Hi,

Does anyone by any chance have a schematic for the Wate 180W charger?
I am trying to map the functions of the potentiometers, so I can adjust the parameters of the charger.

  • VR1 - This one is for adjusting the output voltage. Trial and error with a voltmeter made this one easy to identify.
  • VR2 - This one is missing, and I suspect it could be for adjusting the current limiting, but in mine it seems like R21 have been hand-soldered from the factory with a 30K resistor, so they could leave out VR2.
  • VR3 - I do not know what this one does. Turning it has no effect on either voltage level or current limiting.
I have no idea, what value R21 originally was, or what value VR2 should have had. I would love to hear feedback from someone with a WATE-180 with the VR2 pot in, what values the VR2 and R21 have.

Cheers!
 

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