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Got a Westinghouse monitor with no power or no backlight after a recap?

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    #1

    Got a Westinghouse monitor with no power or no backlight after a recap?

    If your Westinghouse LCD with a Delta DAC-19M005 PSU board still doesn't power up or powers up but doesn't have a backlight, check some SMD fuses on the back of the board.

    I've got one with two blown fuses, one for the backlight feed, the other to the main board. F101 and F200 are open circuit.

    Unfortunately the current ratings are unknown....F101 and F200 have a "W" on them while F100 has an "S". Is there a chart for these?
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    #2
    Re: Got a Westinghouse monitor with no power or no backlight after a recap?

    Originally posted by hardwareguy View Post
    Unfortunately the current ratings are unknown....F101 and F200 have a "W" on them while F100 has an "S". Is there a chart for these?
    http://forums.xbox-scene.com/index.php?showtopic=658938
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      #3
      Re: Got a Westinghouse monitor with no power or no backlight after a recap?

      These fuses are different than the link retiredcaps suggested.
      Search for Boums fuses.W=4a and S=2a
      Do not pay attention to the letter shown on the link

      SF-1206F400-2CT-ND i think this might be the 4a from digi-key
      Last edited by alexanna; 02-02-2011, 10:30 AM. Reason: link problem
      Whatever I do, I consider it a success, if in the end I am breathing, seeing, feeling and hearing!

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        #4
        Re: Got a Westinghouse monitor with no power or no backlight after a recap?

        Also, be sure to check the two AP40T03 mosfet transistors for shorts. If one checks bad, then replace both. These transistors shorting is one of the causes for the fuse blowing.

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          #5
          Re: Got a Westinghouse monitor with no power or no backlight after a recap?

          Originally posted by alexanna View Post
          These fuses are different than the link retiredcaps suggested.
          Search for Boums fuses.W=4a and S=2a
          Do not pay attention to the letter shown on the link
          Oops, my bad. I'll delete that link from my bookmarks.
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          We respectfully ask that you make some time and effort to read some of the guides available for basic troubleshooting. After you have read through them, then ask clarification questions or report your findings.

          Please do not post inline and offsite as they slow down the loading of pages.

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            #6
            Re: Got a Westinghouse monitor with no power or no backlight after a recap?

            Originally posted by jetadm123 View Post
            Also, be sure to check the two AP40T03 mosfet transistors for shorts. If one checks bad, then replace both. These transistors shorting is one of the causes for the fuse blowing.
            I initially suspected those...and then had to look back even further when I saw no gate drive on the scope.

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