LG 37LP1R-ZE,NO 5V IN THE MAINS

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  • JRade
    Member
    • Nov 2013
    • 24
    • Serbia
    #1

    LG 37LP1R-ZE,NO 5V IN THE MAINS

    Model:37LP1R//37LP1R-ZE//37LP1R-ZE.ALEWLF
    Power supply(SMPS)-KNP-3371(IDTV6 & DCR)//KNP-3372 (Tornado)//REV:A 05. 3.21
    it is model:KNP-3372//6871TPT315B

    It has an 8-pin IC111 connected to a small transformer T101 in the network,
    which probably gives a voltage of 5V, but the IC is broken and I don't know the label.
    Please if anyone knows the IC111 marking or the schematic of this network.
    Thanks!​
    Tags: None
    • JRade
      Member
      • Nov 2013
      • 24
      • Serbia
      #2
      1 Photo

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        • nomoresonys
          Badcaps Legend
          • Jan 2013
          • 12075
          • U.S.
          #3
          Manual there, I think the IC is there somewhere but it doesn't look like they are calling it IC111: https://elektrotanya.com/lg_ml-051a_...wnload.html#dl

            Comment

            • JRade
              Member
              • Nov 2013
              • 24
              • Serbia
              #4
              Here is the schematic of the power supply board.
              Can I know which IC111 this is?​
              Thanks!
              1 Photo

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                • lotas
                  Badcaps Legend
                  • Jan 2016
                  • 4457
                  • Russia
                  #5
                  Originally posted by JRade
                  Here is the schematic of the power supply board.
                  Can I know which IC111 this is?
                  Thanks!
                  Look at these PWM pinouts...
                  Attached Files
                  Last edited by lotas; 02-08-2025, 06:40 AM.

                    Comment

                    • JRade
                      Member
                      • Nov 2013
                      • 24
                      • Serbia
                      #6
                      I'm waiting for IC, I'll get back to you when I try it.

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