Panasonic TH-58PX600U 10 blinks

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  • wmsproul
    Member
    • Jan 2013
    • 12
    • us

    #1

    Panasonic TH-58PX600U 10 blinks

    Noob here. Some electronic experience. I am working with a TH-58PX600u 10 blinker - pre power button. None of the TP's on the PA board are shorted to ground. All fuses good on the P-board. Ran through the trouble shooting guide and it seems to be coming from a faulty P-Board, it has bulging 900uf 220v caps 2 of the 3. Removed them from he board and they all meter ~854uf. I am getting around 34vac from the top of all four 220uf 450v caps on the P-board. Found that by accident. I shouldn't be seeing voltage from the top of the caps right. Any ideas?
    Last edited by wmsproul; 01-26-2013, 02:26 AM.
  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #2
    Re: Panasonic TH-58PX600U 10 blinks

    Watch https://www.youtube.com/watch?v=LjpGKaBt8hg and follow all of his steps.

    You actually only need to replace the ceramic capacitor next to the IC.
    Last edited by tom66; 01-26-2013, 06:55 AM.
    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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    • wmsproul
      Member
      • Jan 2013
      • 12
      • us

      #3
      Re: Panasonic TH-58PX600U 10 blinks

      Originally posted by tom66
      Watch https://www.youtube.com/watch?v=LjpGKaBt8hg and follow all of his steps.

      You actually only need to replace the ceramic capacitor next to the IC.
      Would these be the ones? I watched the video and it obviously isnt the same power supply as mine. But these are locateed in the same location to the IC. Also the ones i need are 1uf 50v aluminum caps, right?
      Attached Files

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: Panasonic TH-58PX600U 10 blinks

        You can determine if those are the problem using freeze spray as he showed in the video, so I'd recommend you try that. I've got no experience with this chassis myself.
        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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        • wmsproul
          Member
          • Jan 2013
          • 12
          • us

          #5
          Re: Panasonic TH-58PX600U 10 blinks

          Originally posted by tom66
          You can determine if those are the problem using freeze spray as he showed in the video, so I'd recommend you try that. I've got no experience with this chassis myself.
          They are not the issue apparently. I used the spray to cool the ic's but still received the 3 clicks and 10 blinks. I also tested by freezing both at the sametime and all individually. Why would i be seeing vac from the top of the caps??

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          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #6
            Re: Panasonic TH-58PX600U 10 blinks

            Can I see an overall shot of your PSU?

            The top of the capacitor is sometimes connected to one terminal or is sometimes floating to an internal node.
            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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            • wmsproul
              Member
              • Jan 2013
              • 12
              • us

              #7
              Re: Panasonic TH-58PX600U 10 blinks

              Here it is..
              Attached Files

              Comment

              • tom66
                EVs Rule
                • Apr 2011
                • 32560
                • UK

                #8
                Re: Panasonic TH-58PX600U 10 blinks

                Bottom of the board, near the brown cap, across from the white-on-black DEC relay would be my guess.
                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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                • wmsproul
                  Member
                  • Jan 2013
                  • 12
                  • us

                  #9
                  Re: Panasonic TH-58PX600U 10 blinks

                  Ok i guess i am not clear on what im looking for in the pic. I took a closer one of the area you described. Are you seeing a component/connection that could be bad?
                  Attached Files

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                  • tom66
                    EVs Rule
                    • Apr 2011
                    • 32560
                    • UK

                    #10
                    Re: Panasonic TH-58PX600U 10 blinks

                    I am looking at that stand-up board which may be the cause of your 10 blink code. Try freeze-spraying it to see if it sorts out the problem.
                    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

                    • wmsproul
                      Member
                      • Jan 2013
                      • 12
                      • us

                      #11
                      Re: Panasonic TH-58PX600U 10 blinks

                      Ugh. No go, even after removing the stabalizing silicone. I tried every board with an ic. Still three clicks, ten blinks.

                      Comment

                      • tom66
                        EVs Rule
                        • Apr 2011
                        • 32560
                        • UK

                        #12
                        Re: Panasonic TH-58PX600U 10 blinks

                        OK, try with the A Board disconnected.
                        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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                        • wmsproul
                          Member
                          • Jan 2013
                          • 12
                          • us

                          #13
                          Re: Panasonic TH-58PX600U 10 blinks

                          Removed PA connections from the P-Board, no change, 3 clicks 10 blinks.
                          Removed SC connections from the P-Board, no change, 3 clicks 10 blinks.
                          Removed SS connections from the P-Board, no reaction, no blinks or clicks.
                          Removed D connections from the P-Board, no reaction, no blinks or clicks.

                          Make sense?

                          Comment

                          • tom66
                            EVs Rule
                            • Apr 2011
                            • 32560
                            • UK

                            #14
                            Re: Panasonic TH-58PX600U 10 blinks

                            Maybe this training manual will help.
                            http://tgohome.com/ServiceManuals/?d...&Search=Submit
                            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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                            • ben7
                              Capaholic
                              • Jan 2011
                              • 4059
                              • USA

                              #15
                              Re: Panasonic TH-58PX600U 10 blinks

                              Two of those nichicon GN 220uF capacitors on the top left of the PSU, they are bulged. I think though that will be only one of the problems.
                              Last edited by ben7; 01-26-2013, 06:10 PM. Reason: Wrong cap series...
                              Muh-soggy-knee

                              Comment

                              • tom66
                                EVs Rule
                                • Apr 2011
                                • 32560
                                • UK

                                #16
                                Re: Panasonic TH-58PX600U 10 blinks

                                Although they look bulged, that would be very rare on this chassis. It's very nice to the caps and they're pretty good caps too. 10 blinks is a PA board failure, not Vsus failure - that would be 4 blinks.
                                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

                                • wmsproul
                                  Member
                                  • Jan 2013
                                  • 12
                                  • us

                                  #17
                                  Re: Panasonic TH-58PX600U 10 blinks

                                  Should i just replace the pa board?

                                  Comment

                                  • tom66
                                    EVs Rule
                                    • Apr 2011
                                    • 32560
                                    • UK

                                    #18
                                    Re: Panasonic TH-58PX600U 10 blinks

                                    If you can get it cheap enough, otherwise, there is a schematic of it I think, so it can be diagnosed.
                                    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

                                    • wmsproul
                                      Member
                                      • Jan 2013
                                      • 12
                                      • us

                                      #19
                                      Re: Panasonic TH-58PX600U 10 blinks

                                      New PA board is on it's way.

                                      Comment

                                      • wmsproul
                                        Member
                                        • Jan 2013
                                        • 12
                                        • us

                                        #20
                                        Re: Panasonic TH-58PX600U 10 blinks

                                        Well replaced it with a new pa and nothing changed. Still not working. Could those caps be bad? Back to the drawing board, start trouble shooting from the beginning.

                                        Comment

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