TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

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  • Markie76
    Senior Member
    • Apr 2011
    • 81
    • United Kingdom - the land of 240v!

    #1

    TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

    Hi.

    I have a TECHNIKA LCD26-209v LCD tv which won't start up, it just flashes the blue power/standby LED.

    You plug in the mains lead.
    The blue led lights up and stays on.
    Then there is a gentle high pitched whine for 2-3 seconds.
    Then it goes quiet for 1 second.
    Then there is a gentle high pitched whine for 2-3 seconds.
    Then it goes quiet for 1 second.

    It does this cycle 4 times, then goes quiet, then the blue power/standby led starts flashing continuously until you unplug it from the mains.

    Mainboard: 17MB25-3
    PSU: 17PW26-4

    All capacitors on the PSU 'look' fine.
    Mainboard fuses FS105 & FS106 both ok.

    Any suggestions most appreciated.

    Thx.

    PICTURES:


    Last edited by Markie76; 02-27-2012, 06:07 PM.
  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #2
    Re: TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

    You know my response, as I replied to your PM. You can try to fix the 17PW26 power supply or you can replace it at £20. Your call.
    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

    • Markie76
      Senior Member
      • Apr 2011
      • 81
      • United Kingdom - the land of 240v!

      #3
      Re: TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

      Originally posted by tom66
      You know my response, as I replied to your PM. You can try to fix the 17PW26 power supply or you can replace it at £20. Your call.
      Yes, appreciated. I had a look at the link but the connectors are all different, so I'm up for having a go at fixing it

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

        Originally posted by Markie76
        Yes, appreciated. I had a look at the link but the connectors are all different, so I'm up for having a go at fixing it
        Hmm, 17PW15-8 instead?

        http://www.ebay.co.uk/itm/17PW15-8-0...item2ebb9a040c

        There's a repair kit on eBay for this fault:

        http://www.ebay.co.uk/itm/17PW20-17P...item4ab4846f9a

        I've not used it, but sienoki here used it with success on a 32" LCD. I think he had a similar problem.
        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

        • LEEDASH
          Badcaps Veteran
          • Dec 2012
          • 481
          • Bedfordshire

          #5
          Re: TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

          hi the kit you suggested in the ebay link is not listed for the 17pw26-4 ?

          Comment

          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #6
            Re: TECHNIKA LCD26-209v WOn't Start Just Flashing Blue LED

            My fault. The PSU is 17PW26-4 so the fault is completely different & kit does not apply.
            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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