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RCA 40LA45RQ Power issue, standby on

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    RCA 40LA45RQ Power issue, standby on

    Got this TV set from my Dad, he replaced it with a new Sony Bravia so I figured I'd try to get it working.

    Typical no power on situation, red standby light stays on.

    Only thing that makes this a little different, that I havent seen mentioned elsewhere is if you leave it unplugged for several minutes, then plug it back in the set will turn on, and work for about 3-5 minutes, sometimes more sometimes less, then you hear multiple pops/clicks from the speakers and it shuts itself off (blue power LED turns back to red) and after that it will not turn back on unless you unplug it and do that whole dance again.

    I replaced the power board since it was only $16 on eBay, now looking at the main board since the issue didn't get resolved. What is the best procedure for testing to make sure I'm replacing the correct parts?

    Thanks All, I appreciate the help

    #2
    Re: RCA 40LA45RQ Power issue, standby on

    Shopjimmy sells EEPROM so that may be the problem. Did you try cooling the EEPROM using canned air duster upside down to get the coolant out for cooling?

    http://www.shopjimmy.com/catalogsear...q=RCA+40LA45RQ
    BTW, pictures of the whole back side of the TV to show all the boards will help.
    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

    Comment


      #3
      Re: RCA 40LA45RQ Power issue, standby on

      there are many main boards for that TV. You need to check what mainboard you got and select the correct EEPROM IC. As budm said, SJ has them.

      Comment


        #4
        Re: RCA 40LA45RQ Power issue, standby on

        Thanks guys, EEPROM it is... (Unless my main board is one I can get for like $30, lol)

        Comment


          #5
          Re: RCA 40LA45RQ Power issue, standby on

          40RE01TC711LNA0-A1, found several boards and the EEPROM, not confident in my soldering skills so trolling fleabay for the lowest price, thanks guys.

          Comment


            #6
            Re: RCA 40LA45RQ Power issue, standby on

            Keep us updated.
            Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

            https://www.facebook.com/Telford-Tel...7894576335359/

            Comment


              #7
              Re: RCA 40LA45RQ Power issue, standby on

              Absolutely, here are the photos I did take today
              Attached Files

              Comment


                #8
                Re: RCA 40LA45RQ Power issue, standby on

                Got a main board for $46 shipped on eBay. Just hookup and running about 10 mins no hiccups, think it may be fixed!

                Comment


                  #9
                  Re: RCA 40LA45RQ Power issue, standby on

                  A1!

                  Comment

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