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Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

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    Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

    First thread... Sorry if I'm not doing something correctly, please feel free to correct me - Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly. Tried updating firmware, but zero indications it would load. Pressing side panel power button results in power relays clicking several times then nothing after two or three clicks. Pulled TV rear cover off and zero signs of bad caps or resistors on any of the pcb's. Took a couple measurements using a flow chart from one of the online service manuals and its indicating a possible bad SYSCON which I believe may be on the AV pcb, but not sure. Documentation on this tv is sorely lacking. Any help would be greatly appreciated. August 2007 manufacture date.

    #2
    Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

    please i need accer aspire 5732z shematic diagram

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      #3
      Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

      I'm sorry I can't help you with an Aspire. This thread is for a Toshiba Regza 52HL167.

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        #4
        Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

        Photograph of Toshiba Regza 52HL167 with rear cover removed.
        Attached Files

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          #5
          Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

          Flowchart results...
          Attached Files

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            #6
            Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

            Help?

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              #7
              Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

              Was this ever figured out?
              We just came across the same model with 3 amber flashes repeating continuously. So far we have been getting some oscillating voltages and an odd hissing sound from the power supply but I believe this might be due to a bad main board.
              Will update our progress on this soon.

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                #8
                Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

                Ok well it looks like we have a bad power supply, but we actually also suspect a secondary issue. Unfortunately our customer does not want to proceed with the repair so we are not able to actually trouble shoot any further. Wish I could have been more helpful. Sorry

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                  #9
                  Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

                  My problem turned out to be the main power supply board #75007521 v. B
                  Cost was $35 for online replacement part from openboxcity.net. Awesome web merchant by the way. Decent warranty on the board too. Went thru eBay and got a couple bad boards.

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                    #10
                    Re: Toshiba Regza 52HL167 LCD TV flashing amber LED repeatedly

                    If you need an AV Main PCB, I have a spare I would let go for $35 plus shipping.

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