sanyo dp42740 help

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  • Ovalking
    Senior Member
    • Jul 2013
    • 57
    • Usa

    #1

    sanyo dp42740 help

    Hi I have a sanyo dp42740 42 inch flat panel that was hit by lighting
    It has a dim screen but no lites to tell if its on or off there's a green
    Led lite on inside of tv any help would be appreciated thanks
  • Ovalking
    Senior Member
    • Jul 2013
    • 57
    • Usa

    #2
    Re: sanyo dp42740 help

    Does anyone have info on where to check voltages ?

    Comment

    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK

      #3
      Re: sanyo dp42740 help

      Dim light -- in a dark room, you can see glow from the screen?
      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.

      Comment

      • Ovalking
        Senior Member
        • Jul 2013
        • 57
        • Usa

        #4
        Re: sanyo dp42740 help

        Yes no lite to tell you if it's on or off

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK

          #5
          Re: sanyo dp42740 help

          But you CAN see a slight glow emitted from the plasma panel?
          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.

          Comment

          • Ovalking
            Senior Member
            • Jul 2013
            • 57
            • Usa

            #6
            Re: sanyo dp42740 help

            Yes

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #7
              Re: sanyo dp42740 help

              OK good. The most common fault on this model I believe is the main board.

              Select your service manual, check chassis for exact match:

              http://www.toms-service-manuals.com/...h=Submit+Query
              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.

              Comment

              • Ovalking
                Senior Member
                • Jul 2013
                • 57
                • Usa

                #8
                Re: sanyo dp42740 help

                Thanks ill look at it when I get off work do you mean digital
                Board ?

                Comment

                • tom66
                  EVs Rule
                  • Apr 2011
                  • 32560
                  • UK

                  #9
                  Re: sanyo dp42740 help

                  Main board is the one with the video inputs on it.
                  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.

                  Comment

                  • johnboy1313
                    Badcaps Legend
                    • Nov 2012
                    • 1959
                    • USA

                    #10
                    Re: sanyo dp42740 help

                    If your set is like mine was, chassis -01, if I remember correctly, it has two mains, a digital and an analog. With that said, I don't remember my panel lighting when my main board was bad.

                    If you have a different chassis, do a google search for "Sanyo DP42740 Won't Turn on Fix" There is a YouTube video. Maybe it will help you. I'm at work so I can't get the link.

                    Please keep us posted and report back when you find a fix. There are too many threads on here that end with no word on a fix. It can be frustrating to read through a thread only to see that it ended with no confirmation.

                    Comment

                    • Ovalking
                      Senior Member
                      • Jul 2013
                      • 57
                      • Usa

                      #11
                      Re: sanyo dp42740 help

                      Thanks for the help parts ordered ill post results when I get parts
                      Thanks again

                      Comment

                      • Ovalking
                        Senior Member
                        • Jul 2013
                        • 57
                        • Usa

                        #12
                        Re: sanyo dp42740 help

                        Got new board installed now have a screen that says store mode
                        Channel up home mode channel down can't get it to do anything

                        Comment

                        • Ovalking
                          Senior Member
                          • Jul 2013
                          • 57
                          • Usa

                          #13
                          Re: sanyo dp42740 help

                          Found problem didn't have all connections hooked up working
                          Perfect after replacing digital board thanks to the help everyone
                          This place rocks

                          Comment

                          • johnboy1313
                            Badcaps Legend
                            • Nov 2012
                            • 1959
                            • USA

                            #14
                            Re: sanyo dp42740 help

                            Awesome, thanks for posting.

                            Comment

                            • Ovalking
                              Senior Member
                              • Jul 2013
                              • 57
                              • Usa

                              #15
                              Re: sanyo dp42740 help

                              Johnboy1313 you were correct had a digital and analog bought both
                              Together off eBay thanks

                              Comment

                              • Ovalking
                                Senior Member
                                • Jul 2013
                                • 57
                                • Usa

                                #16
                                Re: sanyo dp42740 help

                                Originally posted by Ovalking
                                Thanks for the help parts ordered ill post results when I get parts
                                Thanks again
                                thanks Tom 66

                                Comment

                                • fixerupper75
                                  Senior Member
                                  • Oct 2014
                                  • 125
                                  • us

                                  #17
                                  Re: sanyo dp42740 help

                                  Is there anyway to isolate the board on the set.

                                  Comment

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