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Power on problems

My television has started requiring me to press the power button twice to turn it on. After the first press I hear clicking and noises from the set but it does not turn on and the red indicator light blinks. After waiting for the noises to stop I press the power swith again and the set turns on. This occurs whether I use the remote or power switch on the television.

A few months ago I had a similar problem where the set would not turn on at all. Service was called (1 week before my 2 year warranty expired) and they replaced many boards and finally determined that the "D" board needed replacement. It worked fine for many months after this repair.

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  • hypersynergy Nov 20, 2007

    Hey I have the same problem. It started a while back after a 'brown out' on my utility service, I read about 40VAC at my service. The TV started out with faint horizontal bars that got worse in time. Next it started to go off intermittently especially when cold, often requiring several starts to stay on.. Today it decided to not start at all simply kicks back out.

    I had been told that the power supply on these TV's were not replaceable not easily serviceable, it this correct? I am an alarms, controls and instrument technician and have some basic knowledge here. If I can ID a bad component is it likely to be something I can get from say Jameco or Hutchfield, ie: not proprietary? I'm gonna pack the tools home tomorrow to check it out, any tips?


    TV= 27" Samsung TXL279F

  • hypersynergy Nov 20, 2007

    Oh I forgot to mention that I found a 2-3.5kHz signal being introduce onto my service whenever the TV is plugged in, ie it does not have to be on. It does however run higher with the TV on than off.


  • goochiam Aug 24, 2008

    I bought my television set about 4 yrs ago . And just within the last yr. i have noticed that we had to press the power button several times before it would turn on . It got so bad that we had to start unplugging the set and plugging it back in and press the power button at the same time so it'll start. We also heard crackle noises coming from the set . I think that part of the reason it has been doing this is because the family watches the set and turns off the cable and not the t.v. it looks like the t.v. is off but the power is still on. Now our t.v. does not turn on at all . I think it can be fix. Can anyone help me out?



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Having to press the power button multiple times before the set comes on is usually caused by low standby voltages in the power supply or bad connections on the printed circuit board. The "D" board is not your problem. Most likely there is bad capacitor in the 9 volt standby supply.

Posted on Nov 15, 2007


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