RCA 46LA45RQ bad inverter board

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  • Teflonbandit
    Member
    • Oct 2015
    • 28
    • Usa

    #1

    RCA 46LA45RQ bad inverter board

    I found that my inverter board was causing my tv to shut off right as it tried to power up. The backlight would try to come on and then the tv would shut off. Blue power light stayed on. I checked the outputs of the power supply to be good and then started looking at the transformer coils on the inverter board. It is a Samsung SSi460-12F01 REV0.2 board with Samsung part number LJ97-03319A. This was a later model of the 46LA45RQ with only one lead from the power supply to the inverter board. There are three coils and the top one has melted the top coil of the transformer and when I check continuity it is open. I looked at it under magnification and the copper is in pieces and burnt on one end. All of the other coils check good. I was wanting to know if anyone has found a supplier for the transformer coils or have ever changed one? Transformer has part # 340158AD UO 10CD C K on it.
  • Teflonbandit
    Member
    • Oct 2015
    • 28
    • Usa

    #2
    Re: RCA 46LA45RQ bad inverter board

    I wasn't able to find a good deal on a new board in the US so I went to ToaBao which is based out of China and got a board and shipping from mainland China for $15 US. That's for the board and shipping combined. I'll have to wait a month before it gets here probably but I will post if it worked out or not.

    Comment

    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA

      #3
      Re: RCA 46LA45RQ bad inverter board

      Good price!
      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

      • Teflonbandit
        Member
        • Oct 2015
        • 28
        • Usa

        #4
        Re: RCA 46LA45RQ bad inverter board

        It's funny, they have tons of these over there from factory surplus and harvesting. Looks like it is being processed and ready to ship with DHL in the next day or so. I'll let everyone know if this is a good place for parts. Really cheap. My wife is from Taiwan so if I have a communication issue or can't read I use her for help. Google Chrome does a pretty good job of translating the website though. This would be great if all works out.....fingers crossed!!

        Comment

        • Teflonbandit
          Member
          • Oct 2015
          • 28
          • Usa

          #5
          Re: RCA 46LA45RQ bad inverter board

          OK, shipping not goin so well so far. Still hasn't made it to the international port for shipment to US. Must be a holiday lol!!

          Comment

          • Teflonbandit
            Member
            • Oct 2015
            • 28
            • Usa

            #6
            Re: RCA 46LA45RQ bad inverter board

            Finally got a tracking number from DHL. It is being processed and should ship out of Hong Kong shortly. I found that I had to pay an additional $15 for international shipping. That is the price for up to 1 KG. I found that TaoBao offers putting your parts in a warehouse location if you are buying from several different vendors. Then you can combine all of them and if they weigh under 1 KG it is $15 shipping for all of it. I only needed the one board so I'll know next time. I might order some Gundam toys for the boy just to make the shipping price worth it.

            Comment

            • arod
              Member
              • Jan 2015
              • 22
              • USA

              #7
              Re: RCA 46LA45RQ bad inverter board

              This is the same board I am possibly interested in. I created a thread yesterday with my issue. I could not figure out how one could order the board from that website. I am interested in how this works out for you.

              Comment

              • ryan74
                Badcaps Veteran
                • Oct 2012
                • 471
                • usa

                #8
                Re: RCA 46LA45RQ bad inverter board

                If either of you are interested in selling your old bad board i am interested.
                As long as it has 1 good transformer 340158AD U0 1187 c k
                Better yet pull the good transformer.

                I did find 2 boards for sale at about $60 and $100+s/h but I wont share that info until i have a plan. Plus the $60 board I am waiting to make sure it is in stock.
                It took a long time to find these 2 that should be in stock. I had to search all 7 model tv's this board is in.

                fyi shopjimmy will repair the board for $60
                I called them to try and buy just the transformer with no luck.
                Last edited by ryan74; 11-10-2015, 01:00 PM.

                Comment

                • ryan74
                  Badcaps Veteran
                  • Oct 2012
                  • 471
                  • usa

                  #9
                  Re: RCA 46LA45RQ bad inverter board

                  currently the best price for this board is at buyqual.com..... $30 plus $20 shipping
                  At least the website is in english and they do respond to emails within a few days.
                  http://www.buyqual.com/ssi460-12f01-...-inverter.html
                  Ordered mine the other day.

                  Comment

                  • Teflonbandit
                    Member
                    • Oct 2015
                    • 28
                    • Usa

                    #10
                    Re: RCA 46LA45RQ bad inverter board

                    Sorry for the delay on updates. My board came in but was broken............. snapped off on one end. So I just took the transformer off and put it on my old board. TV is up and running great.

                    Comment

                    • Teflonbandit
                      Member
                      • Oct 2015
                      • 28
                      • Usa

                      #11
                      Re: RCA 46LA45RQ bad inverter board

                      So for $30 and a couple of weeks time it wasn't too bad but I'm not likely to buy from TaoBao again.

                      Comment

                      • Teflonbandit
                        Member
                        • Oct 2015
                        • 28
                        • Usa

                        #12
                        Re: RCA 46LA45RQ bad inverter board

                        Sorry ryan74, I could have hooked you up with a transformer before you ordered your board. I haven't been on the forum for a week or so.

                        Comment

                        • Teflonbandit
                          Member
                          • Oct 2015
                          • 28
                          • Usa

                          #13
                          Re: RCA 46LA45RQ bad inverter board

                          Funny the way it showed up at the house. DHL dropped it off and my wife was home from work to sign for it. I got home and she says "Hey, your parts came in!". She picks up the package to give it to me and the end was flopping around. I knew right away it was dead lol!!

                          Comment

                          • budm
                            Badcaps Legend
                            • Feb 2010
                            • 40746
                            • USA

                            #14
                            Re: RCA 46LA45RQ bad inverter board

                            Thanks for the follow-up.
                            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

                            • arod
                              Member
                              • Jan 2015
                              • 22
                              • USA

                              #15
                              Re: RCA 46LA45RQ bad inverter board

                              Originally posted by ryan74
                              If either of you are interested in selling your old bad board i am interested.
                              As long as it has 1 good transformer 340158AD U0 1187 c k
                              Better yet pull the good transformer.

                              I did find 2 boards for sale at about $60 and $100+s/h but I wont share that info until i have a plan. Plus the $60 board I am waiting to make sure it is in stock.
                              It took a long time to find these 2 that should be in stock. I had to search all 7 model tv's this board is in.

                              fyi shopjimmy will repair the board for $60
                              I called them to try and buy just the transformer with no luck.
                              I ended up purchasing a new board from buyqual.com, which resolved my issue with a Sony KDL-46BX450. Send me a pm if interested in the old broken inverter board still.

                              Comment

                              • hiperco
                                New Member
                                • Feb 2015
                                • 6
                                • United States

                                #16
                                Re: RCA 46LA45RQ bad inverter board

                                I need an inverter board, or a broken one with a good transformer. Please let me know if anyone has one. Thanks!

                                Comment

                                • Teflonbandit
                                  Member
                                  • Oct 2015
                                  • 28
                                  • Usa

                                  #17
                                  Re: RCA 46LA45RQ bad inverter board

                                  hiperco,
                                  I haven't checked this thread out in awhile. I may have one in the drawer still. Let me know if you still need one. Thanks, John (teflonbandit)

                                  Comment

                                  • hiperco
                                    New Member
                                    • Feb 2015
                                    • 6
                                    • United States

                                    #18
                                    Re: RCA 46LA45RQ bad inverter board

                                    Originally posted by Teflonbandit
                                    hiperco,
                                    I haven't checked this thread out in awhile. I may have one in the drawer still. Let me know if you still need one. Thanks, John (teflonbandit)
                                    Thanks for the reply. I ended up ordering a replacement board from an ebay seller in China. It came 3 weeks later, and even though it was packaged very well it arrived broken. To the sellers credit, they refunded my money. So I then had a donor board, I used one transformer for the TV I was working on, and I sold the other two transformers on ebay

                                    Comment

                                    • dork
                                      New Member
                                      • Sep 2018
                                      • 2
                                      • United States

                                      #19
                                      Re: RCA 46LA45RQ bad inverter board

                                      I know this is a long shot, but I'm in need of a transformer (340158ad) and can't find it anywhere. Any chance you may still have one?

                                      Comment

                                      • R_J
                                        Badcaps Legend
                                        • Jun 2012
                                        • 9515
                                        • Canada

                                        #20
                                        Re: RCA 46LA45RQ bad inverter board

                                        looks like it is used on Samsung LJ97-03319A and Sony 1-857-986-11
                                        Attached Files

                                        Comment

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