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Recent content by zirawy

  1. Z

    54.6v 2a SMPS got shorted

    You think an IC is out, even the smps is switching and has almost the right dc output 56vdc ? I m trying to find its schematic and attach here later. thanks for your time sir.
  2. Z

    54.6v 2a SMPS got shorted

    This smps got accidentally shorted by reversing current from a 48v Lion battery. After replacing a blown ac fuse. Voltage output, back but higher, about 56v, instead of 54.6vdc, and the LED light turns solid RED (see pic) Any tech dude can direct me to. Finish repair it, I will appreciate it ...
  3. Z

    Identify a varistor

    pic file size was big here again
  4. Z

    Identify a varistor

    Hey Martin It is about the 54.6 charger is back from 86v to 56v output almost the normal 54.6v rating. after i replaced a blown ac fuse. I tested normal; the brid.rect, mosfet, regulator,diodes... New status now is the charger Light still solid red, even is not charging, but when I disconnect...
  5. Z

    54.6v 2a SMPS got shorted

    Not as YOU are. You miss manors inside this community..
  6. Z

    54.6v 2a SMPS got shorted

    this smps got shorted but it still energized but the voltage output got higher about 86vdc instead of 54.6vdc...
  7. Z

    54.6v 2a SMPS got shorted

  8. Z

    54.6v 2a SMPS got shorted

    I'm a beginner, I know metering, testing, rate reading different components.... Some tutorial videos suggested use of potentiometers to reduce vdc output… I understand that on the "schematic" where to solder the potentiometer But & But on the real world, on "circuit Board" location of some...
  9. Z

    54.6v 2a SMPS got shorted

  10. Z

    54.6v 2a SMPS got shorted

    I m a learner.My 54.6v 2a smps got shorted in connection to 48v , lion battery . its led turned red and its output went higher to 100+v now. anybody guide me to reduce and reestablishing its original 54.6v back ? i have its circuit board pic..if needed.
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