Philips 42PF9731D blinking error code

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  • PowerAmpFreak
    Badcaps Veteran
    • Feb 2010
    • 982
    • Sweden
    #1

    Philips 42PF9731D blinking error code

    Hello!
    This Philips 42PF9731D amberlight unit does blink error code 12 (one long and two short blinks, then a delay of 3 seconds)
    Which according to service manual is +12V failure.
    Any advice what use to get bad here?
    Tags: None
    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK
      #2
      Re: Philips 42PF9731D blinking error code

      Checked the +12V on PSU first?
      Shorted diodes, bad caps, main board short...
      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

        • PowerAmpFreak
          Badcaps Veteran
          • Feb 2010
          • 982
          • Sweden
          #3
          Re: Philips 42PF9731D blinking error code

          It appears the +12V line is low (like 9.8V) even if the connector is disconnected (with the load).

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK
              #4
              Re: Philips 42PF9731D blinking error code

              Check for bad cap on 12V rail. Pictures of boards?
              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

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