Announcement

Collapse
No announcement yet.

hp 15r no power problem

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    hp 15r no power problem

    3.3 volt and 5 volt is not available in board after changing step down ic prblem is same

    #2
    Re: hp 15r no power problem

    Hi
    Witch board is it?
    Have you schematic?

    Comment


      #3
      Re: hp 15r no power problem

      have you verify 19V AT THE CHARGING CONNECTEUR AND 19V IN THE FIRST MOSFET AND SECOND MOSFET

      Comment


        #4
        Re: hp 15r no power problem

        Originally posted by mdshoaib9 View Post
        3.3 volt and 5 volt is not available in board after changing step down ic prblem is same
        With such a poor description of problem, without mentioning platform,model and specific problem, you can simply forget to get help.

        Comment


          #5
          Re: hp 15r no power problem

          Originally posted by mielta View Post
          Hi
          Witch board is it?
          Have you schematic?
          c-701p board no

          Comment


            #6
            Re: hp 15r no power problem

            Originally posted by krimo View Post
            have you verify 19V AT THE CHARGING CONNECTEUR AND 19V IN THE FIRST MOSFET AND SECOND MOSFET
            yes 19v is coming but no any volt in coil

            Comment


              #7
              Re: hp 15r no power problem

              Check the fet's just after dc jack first. You should get 19v on Pin 1-2-3 & Pin 5-6-7-8 and 23-25v on PIN 4. Check and reply.

              Comment

              Working...