Question about Daewoo DVN-14F6N 13" TV

5 Answers

Constant static, even from line in, even when every input is unplugged. Recently resoldered a loose seating from RCA jack to board. Fixed the jack, but soon afterward the static began. Static occurs even in other rooms on separate circuits, no other CRT in the house gets static. When in standby, the speaker hisses.

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  • a_da_bertie May 14, 2009

    A cursory inspection revealed no obviously blown capacitors, and the only place where static is not present is the tv's menu, so the problem must be somewhere between line in/cable and the CRT.

  • a_da_bertie May 14, 2009

    After leaving the TV on for a while, the static gets less intense and the hissing gets quieter. Heat is probably affecting the component in question, so it may still be a faulty capacitor.

  • a_da_bertie May 14, 2009

    Where could I go to have the components checked? Or, how do I check them myself to determine which to replace? More likely to happen, where could I find a complete replacement board?

  • a_da_bertie May 15, 2009

    The TV is a Daewoo DVN 14F6N, 14" from 1998.

  • a_da_bertie May 15, 2009

    Sorry, 13".

  • a_da_bertie May 21, 2009

    Thanks so much, very good source!

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5 Answers

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  • Daewoo Master
  • 19,396 Answers

You can buy full service and repair manual with all TV schematics from one fo the links below:

Service Manual Daewoo DVN-14F6N TV

Daewoo DVN-14F6N TV_VCR IN ONE BOARD REPAIR Manual

Just click that purchase button on the bar at left, after opening websites above.

Do not forget to leave feedback.

Many thanks.

Posted on May 20, 2009

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  • Master
  • 916 Answers

It sounds like the tuner needs to be replaced

Posted on May 19, 2009

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  • Master
  • 952 Answers

Check the capacitors near the CTV circuit area... try to change them if possible

Posted on May 19, 2009

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  • Daewoo Master
  • 3,866 Answers

The solder you used is not the recoomeded solder that is used to repair this type of compnet there are diffrent grades of solder and this is causing you interference beleave it or not I been in the repair biz for 20 years and try lots of grade solder, try a diffrent grade solder use Wicking wire is what i call it to de solder this and re solder with a light reson low flux solder.. This will shore this right up in a heart beat!! I used to sit on the QC team for Sony and RCA and beleave me we had issues with things like this as welll as I have personally.. Hope this helps and Hope you do rate me for my time...


Thanks Rulds2008

Posted on May 15, 2009

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  • Master
  • 8,619 Answers

Hi

Try to use a grounded power supply so that the static current is grounded. If it doesn't have three prong cable then you can connect a cable to the body of the tv and can insert that into the ground connection on the wall socket.

If using a 3 prong grounded cable doesn't help then it is a faulty/leaky capacitor on the reciever/tuner board of your Tv and there are chances that you might need to get it replaced. As replacing the tuner board can solve the problem completly whereas, replacing a component on tuner board can return the static problem.

Please do accept this solution and revert for further assistance.

Thanks
Rylee

Posted on May 14, 2009

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  • Rylee Smith
    Rylee Smith May 14, 2009

    Hi



    Try using a RCA component cable or a different cable and also please try to use a grounded wall socket.



    Please do accept this solution and revert for further assistance.

    Thanks
    Rylee



  • Rylee Smith
    Rylee Smith May 14, 2009

    Yes its the leaky capacitors which after getting powered up for a while don't produce much static. Also get your power supply transformer and capacitors checked.



    Please do accept this solution and revert for further assistance.

    Thanks
    Rylee

  • Rylee Smith
    Rylee Smith May 14, 2009

    Please tell me the make and model number of your TV so that i can provide you with model specific information.



    Please do accept this solution and revert for further assistance.


    Thanks

    Rylee

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