how to test a power adapter with digital multimeter

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  • Опубликовано: 7 сен 2024
  • now let's to test a power adapter like used with laptop, router, etc, using a digital multimeter, for know if it is good or bad. suscribe thanks.

Комментарии • 34

  • @mjac8373
    @mjac8373 29 дней назад +2

    You made it easy! Thank you, keep making more videos like this one for the confused DIY'ers in USA near Detroit!! Age 74

    • @bulgok8040
      @bulgok8040 9 дней назад

      Maybe its not you sir😅

  • @SWIFTY5150
    @SWIFTY5150 10 месяцев назад +6

    Thanks buddy! I checked my laptop adapter with my multimeter and got 0.L which means it probably has a broken wire.

  • @dondiegoferguson7076
    @dondiegoferguson7076 9 месяцев назад +2

    Very good instructions, just what I needed.

  • @matheo4712
    @matheo4712 5 месяцев назад +2

    I thought my dads speaker died but it was just the power supply. Very, very nice to know 👍🏼

    • @5abivt
      @5abivt 5 месяцев назад +1

      I’m literally diagnosing my Jbl extreme speaker 😂 .. never had a power adapter die in my lifetime but I think it’s a first now !

    • @matheo4712
      @matheo4712 5 месяцев назад +1

      @@5abivt it's incredibly easy to throw away something that has no problem at all, knowing how to diagnose those things is something really, really good! Now I have curiosity about all the other electric things in my house 😅

    • @5abivt
      @5abivt 5 месяцев назад

      @@matheo4712 indeed !! This speakers worked great and talking to the wife.. couldn’t believe that it’s been like 8 years already .. seemed like 3-4. It’s always been taken care of I usually listen to it in the garage when working on cars. I have a digital voltmeter that I wasn’t sure was reading correctly but I brought the Adapter to work and tested it and same thing.. it’s putting out like 40 milivolts so I can order up a new one. Hopefully it’s my issue too glad you got yours working ! 👍🏼

    • @5abivt
      @5abivt 5 месяцев назад

      @@matheo4712 wanted to update that is was my power supply in the end ! Both batteries charge well with a new psu. I’ll be taking the Jbl one apart to see if I can find where the issue occurred ! 👍🏼👍🏼

  • @alexapuerta
    @alexapuerta Год назад +3

    Thanks! I needed to test a power adapter before selling and I successfully used your instructions.

  • @jrdoj
    @jrdoj 6 месяцев назад

    Gah! I had it set on AC voltage before your video set me straight. Thanks, my man. You helped me find my problem.

  • @ritz5606
    @ritz5606 Год назад +1

    Instructive and good. Thanks.

  • @educationalandtechnicalcha9425
    @educationalandtechnicalcha9425 Год назад +6

    How to test ampere?

  • @kelvynacena2813
    @kelvynacena2813 2 года назад +1

    Its good nice

  • @lakshmanhearath5495
    @lakshmanhearath5495 Год назад

    Excellent.

  • @boblevey
    @boblevey Год назад +1

    Thank you

  • @drrobotnikmeanbeanma
    @drrobotnikmeanbeanma Год назад +1

    I have a Dewalt jumpstarter.On the back of the jumpstarter it say the input volts is 14.5.One of my ac adapter is 12v.Is it ok to use 12v to charge the Dewalt jumpstarter.Can I use the 16v input ac adapter It's called Dx aeps14 ?

  • @madcapZ
    @madcapZ 2 месяца назад

    Thanks so much

  • @nektrus
    @nektrus Месяц назад

    Thanks!

  • @sylviagm
    @sylviagm 3 месяца назад

    Gracias!

  • @SharpEdgeStandardOfficial
    @SharpEdgeStandardOfficial Год назад

    Question. What does it mean if power adapter is working but after having power for 20 minutes it starts humming loud and then if shake around it’s cable the humming cuts in/out?

  • @technofeeliak
    @technofeeliak 7 месяцев назад +1

    Did you mention polarity?

  • @ken_guler
    @ken_guler 6 месяцев назад

    what abt testing 48v ? which settings pls

  • @ct7625
    @ct7625 Год назад

    Two adapter each 5 vdc output check out okay. Only one powers
    on device. I presume problem is in pin connection inside device.
    Will change pin connector.

  • @pok1pok
    @pok1pok Месяц назад

    Missing test for AMPERE.

  • @brownpunk1794
    @brownpunk1794 Год назад +1

    Hi.
    Can i die if i do this incorrectly?
    Thanks

  • @richiedon9133
    @richiedon9133 5 месяцев назад

    pero por que...tchow mi

  • @paulmandal9354
    @paulmandal9354 Год назад

    Ga

  • @sharonblack-greene5113
    @sharonblack-greene5113 5 месяцев назад

    Very poor quality language.

  • @ZEN43D
    @ZEN43D 3 месяца назад

    thank you