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samsung LN40B500P3F

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    #21
    Re: samsung LN40B500P3F

    i managed to get inv on/off wire pulled out of connector at psu.
    plugged it in and backlight came on so i hit power on and nothing happeed.
    led stayed solid red backlight stayed on.
    no click, no vid, no sound, nothing
    Last edited by ryan74; 10-19-2012, 02:32 PM.

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      #22
      Re: samsung LN40B500P3F

      You have major problem with the main board, not just the INV ON/OFF logic.
      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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        #23
        Re: samsung LN40B500P3F

        well i guess my only option is to try and find a good board for sale. i already posted a wanted in parts.

        thank you very much for all the help. you guys rock!

        found what i need for a good price, they take paypal too. i just had to search other part# on the board
        http://populargaragesale.com/pgs/ind...product_id=746
        Last edited by ryan74; 10-19-2012, 03:22 PM.

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          #24
          Re: samsung LN40B500P3F

          Originally posted by tom66 View Post
          you were on the right track but the board u linked was not working and i didnt want to pay $75 unless i had to.

          thanks again
          Last edited by ryan74; 10-19-2012, 03:29 PM.

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            #25
            Re: samsung LN40B500P3F

            i replaced the main board and now when i power up i get 5 long blinks. otherwise everything seems to work alright. i have pic and sound. im not sure what that code is.

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              #26
              Re: samsung LN40B500P3F

              No code. Just normal Samsung start up. No Samsung I know of has -any- blink codes.
              Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
              For service manual, schematic, boardview (board view), datasheet, cad - use our search.

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                #27
                Re: samsung LN40B500P3F

                thats what i thought but wasnt sure. thanks tom.

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