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LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

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    #21
    Re: LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

    One more bump.

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      #22
      Re: LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

      If you checked the voltages on the regulator ic's on the control board, and they are what they should be, you need a scope to check if anything else is operating, without that you would need to replace the control board.

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        #23
        Re: LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

        Thanks, RJ. I'm going to look into replacing the control board before I send the YSUS out for inspection.

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          #24
          Re: LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

          UPDATE: Sent the Y-Sus, Y upper, and Y lower out to a somebody on ebay (https://www.ebay.com/usr/asa.vd.pc) and they said the boards are fine. Onto the next board, probably main logic.

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            #25
            Re: LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

            Originally posted by JDC View Post
            UPDATE: Sent the Y-Sus, Y upper, and Y lower out to a somebody on ebay (https://www.ebay.com/usr/asa.vd.pc) and they said the boards are fine. Onto the next board, probably main logic.
            Did you ever figure out what was wrong with your TV? I have the same TV and it has just gone bad. I turn on the TV, red stand by light goes off but there is no sound or picture. I don't get a blinking light on the logic board either.

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              #26
              Re: LG 60PB6650 - Bad ZSUS (3.8v to YSUS instead of 16v)?

              Hi everyone?
              I have L.G. 60PB6900 but is with the same issue...
              I changed Y-Sus and Z-sus, but still 18v. are not present...
              The green light doesn’t come on...
              Did you find a solution for that issue....

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