Question about Daewoo DTQ-14U5SC 14" TV

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Why do i just get a blinking standby light on my Daewoo DTQ-14U5SC Tv. It won't turn on, just the blinking standby when I plug it in.

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  • Guy Plante Jun 22, 2009

    Hi there, Thanks for responding. Yes< I have the remote, and tried it with new batteries, but it didn't work. As soon as i plug it in, the red light starts blinking, and makes a little sound out of the speaker, like it's trying to turn on, but nothing.

  • Guy Plante Aug 02, 2009

    That didn't work either. It must be a fuse or something else i guess.

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  • Master
  • 3,267 Answers

Do you have the remote with you? Mostly the sets can be switched on for viewing only from the remote button.............sodeep

Posted on Jun 22, 2009

  • Sudeep Chatterjee
    Sudeep Chatterjee Aug 02, 2009

    Have you checked the voltage. It must be normal, otherwise you would have noticed, because red blinking means check the video/audio input since it has no signal to display. However if this happened one fine day then most probably your HT circuit is getting insufficient voltage from the HT transformer which boosts the voltage to 11KV for the tube.....................sodeep

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The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expense, just locate any good qualified repairer.

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