Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

The standby red sigh flashing, but the screen is dark and no picture, just the sound

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  • 5 more comments 
  • ainis May 19, 2011

    the tv is sony Trinitron and the light flashing all the time

  • ainis May 19, 2011

    model # KV-36FS10

    I did unplug and later pluged it in and the picture came on.....ye !!!

    forgot to count flashing times.....sorry.

    if that happens again, should I do the same ????

    thank you, thank you, thank you

  • ainis May 19, 2011

    right now it's not flashing and the picture is fine.......if that will happen again I will start countig red light flashing....thank you

  • ainis May 19, 2011

    right now it's not flashing, but the next time it'll happen I will count thank you

  • ainis May 19, 2011

    thank you very ,very much have a nice day !!!

  • ainis May 19, 2011

    just got home from work and the same problem. The red light was flashing.....non stop ??? counted till 100 and there was no pause...., so I unpluged the tv and pluged it in in 5 min......but this time - nothing happened, stayed dark ????

    what to do ?????

  • ainis May 20, 2011

    I guess it's time for new TV, I will try the unpluging, but thank you for recomendation.
    thank you

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  • Master
  • 10,594 Answers

Hi,
How many times red light is flashing after 3 seconds long pause?
This info will help me to diagnose problem in your Sony KV-34HS420 tv as this model number shown in question headings or confirm tv model number as well.
Thanks.

Posted on May 19, 2011

  • 5 more comments 
  • Shahid Electronics
    Shahid Electronics May 19, 2011

    Model number would be written on label pasted at rear of tv, this is very important info to open up related schematics of tv.
    There would be pause/ interval of 3 seconds between blinks, for example light will blink 4 times then stops for 3 seconds and again blinks 4 times. Its just an example so count how many times it blinks.
    Unplug tv from wall socket for 5 minutes, replug tv back in and turn it ON, this may solve tv problem as well.

  • Shahid Electronics
    Shahid Electronics May 19, 2011

    Yes, thats great that problem solved.
    Please count red light flashing and post it to diagnose possible cause of problem.
    You may accept solution to close question thread, have nice time.
    Thanks.

  • Shahid Electronics
    Shahid Electronics May 19, 2011

    Enjoy your tv shows.
    If that happens again, unplug/ replug to solve the issue and count red flashing before unplugging tv.
    Thanks.

  • Shahid Electronics
    Shahid Electronics May 19, 2011

    You may please accept solution now.
    Thanks.

  • Shahid Electronics
    Shahid Electronics May 19, 2011

    You too, have good day !!

  • Shahid Electronics
    Shahid Electronics May 19, 2011

    It seems problem of leaky/ weak capacitors in deflection section on main board of tv, visual check is needed to find out bad capacitors that top got pulgged/ busted or plastic cover (jacket) got shrink, replace these bad capacitors, please note that tv will take apart and good soldering skills are required to replace parts in circuit board.
    If you are not handy with electronics stuff repair and have no experience of soldering work then local tv repair shop is an option to get tv repaired.
    Since KV-36FS10 is an old model (1999) so repair cost may exceed tv worth so ask repair estimate to make any decision.
    Thanks.

  • Shahid Electronics
    Shahid Electronics May 20, 2011

    Yes, new tv would be good decision.
    Thanks.

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