Question about Sylvania 6720FDG 20" TV/VCR/DVD

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No power When I push the power button nothing happens

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  • eclavell Apr 16, 2009

    I did enter the model # with my original request --- Here is the information again. This is a Sylvania Model # 6720FDG. Manufactured June 2006. Serial # V22644371



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Always helpful to share what the year and model of the TV is. Assuming it is actually plugged into a working outlet... TV's usually stop working when something fails internally. It could be power supply related, horizontal oscillator related, high voltage related, a bad solder connection or some other component has exceeded it's lifespan. Some TV models have known well documented issues. Knowing the model number will help me research whether yours has known issues. In anycase the repair will lkely require an experienced knowledgable person or someone that is willing to take the risk exposing themselves to potentially fatal high voltage and learn how TV's work and how to test various components, trace signals, identify bad solder joints, cracks in the solder, correct signals at various test points etc... much like I did roughly 30 years ago :).

Posted on Apr 16, 2009

  • Jambam Apr 17, 2009

    My mistake it was late when I responded and I'm used to seeing the more detailed information in the body of the question. In anycase it is very likely that the switching power supply has gone bad .. this seems to be a common problem with this model. Likely the switching transistor has fried along with potentially some other components. Do you know if you had a power surge of any kind ?



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