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Dell 2007wfp not working - no power

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    #21
    Re: Dell 2007wfp not working - no power

    Originally posted by Old Thrashbarg View Post
    Pretty good timing on this thread, I have the same monitor with the same problem, and I haven't been able to track down what's going on...

    I don't know why you're having so much trouble with that clip, it's not at all complicated. It has a locking tab right above the power socket... press that tab inward (or more like 45 degrees inward/upward), and it'll pop right out.
    I was too afraid of breaking something...

    I have attached the pictures of the power supply board
    Attached Files

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      #22
      Re: Dell 2007wfp not working - no power

      Originally posted by smason View Post
      You lost me. What's a hair dryer going to accomplish?
      http://www.bleepingcomputer.com/foru...st__p__1721044

      I also remember reading something along the lines that it warms up the soldering and things fall back into place, but I may be wrong.

      Just wanted to try... anyway, now that I have access to power supply board, what tests can I do with multimeter?

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        #23
        Re: Dell 2007wfp not working - no power

        before you give any directions, please keep in mind that so far I have done things like measured voltage of batteries with multimeter... so I am such a noob!

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          #24
          Re: Dell 2007wfp not working - no power

          Originally posted by Bleepingcomputer

          If it's a capacitor problem here it's an easy temporary fix to get the monitor going...

          With a hair dryer, blow some hot hair while the monitor is on and blinking thru the ventilation slots until the monitor comes back to life...it will remain on until turned off again.
          Wow, that's the biggest load of complete and utter bullshit I've read in quite some time.
          36 Monitors, 3 TVs, 4 Laptops, 1 motherboard, 1 Printer, 1 iMac, 2 hard drive docks and one IP Phone repaired so far....

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            #25
            Re: Dell 2007wfp not working - no power

            Originally posted by todo View Post
            before you give any directions, please keep in mind that so far I have done things like measured voltage of batteries with multimeter... so I am such a noob!

            1st, I'd measure the fuse. Power disconnected, meter on the low ohms range.
            Post what your reading is when you just connect the meter leads together, should be 0 ish, then post the reading of the fuse.
            After that we'll need better photos of the devices on the heat sinks, and their part numbers.
            36 Monitors, 3 TVs, 4 Laptops, 1 motherboard, 1 Printer, 1 iMac, 2 hard drive docks and one IP Phone repaired so far....

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              #26
              Re: Dell 2007wfp not working - no power

              Originally posted by smason View Post
              Wow, that's the biggest load of complete and utter bullshit I've read in quite some time.
              You may have scared him away with this comment....

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                #27
                Re: Dell 2007wfp not working - no power

                When you heat up bad cap with high ESR, the ESR will go down. Hair dryer is one of my tools that I use for troubleshooting in the last 30 years.
                Never stop learning
                Basic LCD TV and Monitor troubleshooting guides.
                http://www.badcaps.net/forum/showthr...956#post305956

                Voltage Regulator (LDO) testing:
                http://www.badcaps.net/forum/showthr...999#post300999

                Inverter testing using old CFL:
                http://www.badcaps.net/forum/showthr...er+testing+cfl

                Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                http://s807.photobucket.com/user/budm/library/

                TV Factory reset codes listing:
                http://www.badcaps.net/forum/showthread.php?t=24809

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