Panasonic DMR-ES30V power issues

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  • newgen2005
    Member
    • Sep 2024
    • 18
    • UK

    #21
    Originally posted by lotas

    Yes, higher voltage (10, 16, 25v,...) is possible, but lower voltage is not possible.

    And most importantly, observe the polarity of the capacitor (-, +) when replacing with new ones.
    Thank you for confirming, just ordered some from AliExpress, and an ESR meter. I have removed 2 of the suspect capacitors. Sorry for the dumb question but the hole where the leg is soldered to the board has small section of brown is that because I have removed too much of the solder? I was worried I may have damaged the board!

    Comment

    • lotas
      Badcaps Legend
      • Jan 2016
      • 4459
      • Russia

      #22
      Originally posted by newgen2005

      Sorry for the dumb question but the hole where the leg is soldered to the board has small section of brown is that because I have removed too much of the solder? I was worried I may have damaged the board!
      I don’t see, and I can’t say anything, what you did there.

      Comment

      • EazyBone
        Badcaps Legend
        • Jun 2023
        • 1303
        • United states

        #23
        Spray alcohol and wipe with a q tip. Probably will go away

        Using flux right?

        Comment

        • newgen2005
          Member
          • Sep 2024
          • 18
          • UK

          #24
          Not used flux as I didn’t have any.
          Attached Files

          Comment

          • EazyBone
            Badcaps Legend
            • Jun 2023
            • 1303
            • United states

            #25
            That's a big mistake. You must use flux. You burned that pretty good. As for fixable I don't know since I've never done that. Maybe someone else can tell ya
            ​​​​​​dont do anything else until you get it.

            Comment

            • newgen2005
              Member
              • Sep 2024
              • 18
              • UK

              #26
              Yes, I think I’ve messed up here. Hopefully I can do can do something with it.

              Comment

              • Diah
                Badcaps Legend
                • Feb 2013
                • 6343
                • Germany

                #27
                this nothings to do just solder new one in place..
                BUT good to see the circuit.. don't use any caps as yours first questioned on 680uf 10V will work,,,so don't use over rate more than 10V and don't use any over or less 680uf

                Comment

                • lotas
                  Badcaps Legend
                  • Jan 2016
                  • 4459
                  • Russia

                  #28
                  It's not a big deal, you just overheated the pads and they peeled off, you need to add flux or use rosin, old boards used getinax (modern ones made of PCB) and they don't like overheating, clean them with a toothbrush moistened with isopropyl.
                  Last edited by lotas; 09-26-2024, 04:55 PM.

                  Comment

                  • newgen2005
                    Member
                    • Sep 2024
                    • 18
                    • UK

                    #29
                    Thank you, I will use flux next time. I have some on order.

                    The 2 caps I removed were 680uF 6.3v and 680uF 10v. I have ordered 680uF 10v as a replacement for the 6.3v as I couldn’t see any that were shipped by AliExpress.

                    Comment

                    • newgen2005
                      Member
                      • Sep 2024
                      • 18
                      • UK

                      #30
                      Cleaned but it looks a right mess! Lesson learnt! Hopefully I haven’t destroyed the board!
                      Attached Files

                      Comment

                      • lotas
                        Badcaps Legend
                        • Jan 2016
                        • 4459
                        • Russia

                        #31
                        Carefully clean (remove the mask (varnish coating)) with the sharp tip of a scalpel, wipe with an ear stick moistened with alcohol and tin the area with solder...
                        Attached Files

                        Comment

                        • newgen2005
                          Member
                          • Sep 2024
                          • 18
                          • UK

                          #32
                          Originally posted by lotas
                          Carefully clean (remove the mask (varnish coating)) with the sharp tip of a scalpel, wipe with an ear stick moistened with alcohol and tin the area with solder...
                          Appreciate your help, thank you. How about the other part of the board? (the one that looks the worst) Do I need to remove the mask?

                          Are the brown sections without the solder just the none conductive part of the board?, I think the pad was under the solder so nothing conductive left?

                          I need to understand how the board works.
                          Attached Files

                          Comment

                          • lotas
                            Badcaps Legend
                            • Jan 2016
                            • 4459
                            • Russia

                            #33
                            Well, the same thing here, clean and tin...
                            Attached Files

                            Comment

                            • newgen2005
                              Member
                              • Sep 2024
                              • 18
                              • UK

                              #34
                              I have replaced both capacitors, the machine powers up and plays videos but the dvd player audio isn't working. When I dub from VHS to DVD no audio can be heard from the VHS, the disc does record the sound though as I finalized the disc and played in another player. Any ideas?

                              Comment

                              • Diah
                                Badcaps Legend
                                • Feb 2013
                                • 6343
                                • Germany

                                #35
                                recording / copy Data are blind work.. playing / review are coding matter.. if the code not supported you can nothings do with it

                                Comment

                                • newgen2005
                                  Member
                                  • Sep 2024
                                  • 18
                                  • UK

                                  #36
                                  I should of mentioned audio on the DVD doesn’t work at all, you can hear like a static noise.

                                  Comment

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