Technika 22" - X21/14C-GB-TCD-UK - 2 secs to black

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  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK
    #1

    Technika 22" - X21/14C-GB-TCD-UK - 2 secs to black

    Got this one in with Sienoki... Two seconds to black.

    INV-ON (BLON) was high all the time. 12.08V stable to inverter.

    Found bad CCFL or wiring by disabling inverter protection; one top CCFL didn't light up. (The other was fine, so the top just appeared a little dimmer than the bottom, but still perfectly watchable for a 22".)

    To disable inverter protect cut the trace from Q8 to the TL494 IC.

    Uses a Sammy panel.
    Last edited by tom66; 11-26-2012, 09:57 AM.
    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.
    Tags: None
    • zwarder
      Member
      • Oct 2013
      • 45
      • United Kingdom
      #2
      Re: Technika 22" - X21/14C-GB-TCD-UK - 2 secs to black

      I have a 22inch with similar symptoms what inverter board did this tv use?

        Comment

        • selldoor
          Slow Learner
          • Dec 2010
          • 7870
          #3
          Re: Technika 22" - X21/14C-GB-TCD-UK - 2 secs to black

          Toms post is over 18 months old !! would you remember?
          Why do you ask?
          May be better to post as on ope question with pictures of your boards?
          Please upload pictures using attachment function when ask for help on the repair
          http://www.badcaps.net/forum/showthread.php?t=39740

            Comment

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