sony kdl-46w5100 no red light standby, on green off red light flash 14 times

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  • mydang
    Senior Member
    • Aug 2018
    • 61
    • canada

    #61
    Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

    Originally posted by budm
    When you indicated the component is shorted, what is the RESISTANCE reading in both direction? yes it read with continuity both side
    What was the resistance of the that shorted 15V Zener that you first found in the beginning? ,, it read one side is 0.152 the other side VL
    order IC and rectify diode, and zener diode, i will update my tv soon when i have all components
    Thank Bubm
    Last edited by mydang; 08-19-2018, 08:55 AM.

    Comment

    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA

      #62
      Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

      But what are the resistance reading of the original 15V Zener that you found it is bad?
      I need reading in Ohm.
      Last edited by budm; 08-19-2018, 12:00 PM.
      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

      • budm
        Badcaps Legend
        • Feb 2010
        • 40746
        • USA

        #63
        Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

        "What was the resistance of the that shorted 15V Zener that you first found in the beginning? ,, it read one side is 0.152 the other side VL"
        That does not indicate as shorted because one way it shows 'OL'.

        So what is the RESISTANCE reading between VCC and GND, I need that data?
        The fusible should have blown too if it has shorted circuit that is why the fusible is in place.
        Last edited by budm; 08-19-2018, 03:18 PM.
        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

        • mydang
          Senior Member
          • Aug 2018
          • 61
          • canada

          #64
          Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

          Originally posted by budm
          "What was the resistance of the that shorted 15V Zener that you first found in the beginning? ,, it read one side is 0.152 the other side OL"
          That does not indicate as shorted because one way it shows 'OL'. ( NOW BOTH SIDE has continuity 000.0

          So what is the RESISTANCE reading between VCC and GND(VCC and GND which board? powersupply or D1N ), I need that data?( I alreay removed IC, zener diode and the rectify out of circuit D1N
          The fusible should have blown too if it has shorted circuit that is why the fusible is in place.
          Yes you are right !! R6603 on D1N is shorted too,,
          Attached Files
          Last edited by mydang; 08-19-2018, 07:42 PM.

          Comment

          • budm
            Badcaps Legend
            • Feb 2010
            • 40746
            • USA

            #65
            Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

            It is only 0.46 Ohm, it is not shorted. that is normal.
            I am looking for the RESISTANCE reading of the original 15V zener that you removed and and the resistance reading between the two pads on the board where that 15V Zener was. RESISTANCE, nothing else.
            Why are you checking R6603???
            1) Do not use continuity mode for testing for shorted circuit, use Ohm meter and report the resistance reading in both directions.
            2) I am beginning to believe that that the 51V zener is OK and the IC may be still OK but I cannot tell until you provide the RESISTANCE READINGS as requested. R6636 for that 12V power supply line would have blown open circuit by now if the IC and the Zener were shorted out.
            Last edited by budm; 08-19-2018, 08:24 PM.
            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

            • mydang
              Senior Member
              • Aug 2018
              • 61
              • canada

              #66
              Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

              Originally posted by budm
              It is only 0.46 Ohm, it is not shorted ((used ohm tesed is no reading)). that is normal.
              I am looking for the RESISTANCE reading of the original 15V zener(( used diode mode tested both side is 000.0)) that you removed and and the resistance reading between the two pads on the board where that 15V Zener was. RESISTANCE, nothing else.
              Why are you checking R6603???
              1) Do not use continuity mode for testing for shorted circuit, use Ohm meter and report the resistance reading in both directions.
              2) I am beginning to believe that that the 51V zener is OK and the IC may be still OK but I cannot tell until you provide the RESISTANCE READINGS as requested. R6636 for that 12V power supply line would have blown open circuit by now if the IC and the Zener were shorted out.
              --
              I know the R6636 is blown used ohm mode tested it show not thing
              used diode mode tested zener diode for both side it show 00.0
              used continuity checked C6615 has sound
              Attached Files

              Comment

              • budm
                Badcaps Legend
                • Feb 2010
                • 40746
                • USA

                #67
                Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

                "R6603 on D1N is shorted too,," That is confusing DATA when you indicate that low ohm resistor is shorted. If that fusible for the 395V is blown then you have bigger problem, you need to check the resistance between Source and Drain pin of those MOSFETs to make sure they do not show low Ohm resistance.
                Last edited by budm; 08-20-2018, 09:43 AM.
                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

                • mydang
                  Senior Member
                  • Aug 2018
                  • 61
                  • canada

                  #68
                  Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

                  you are right it blown 2 mosfets too,,, you are master Thank
                  I ready order 10 for 2$

                  Comment

                  • renee
                    Member
                    • Jun 2010
                    • 21

                    #69
                    Re: sony kdl-46w5100 no red light standby, on green off red light flash 14 times

                    please help me to find volts PRI_VCC on C6206 sony G6 power supply

                    Comment

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