Hi, I just had the same problem with my tv. i tried turn it on and the red lights blinks 3 times and then steady on, no sound and no image in any moment.
Thanks in advance for your help.
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@juliofonse18053 if your TV is a DP50747 then it is possible that the "Power Failure' Circuit" is indicating an issue with the power supply. Check for bad capacitors and follow the "No Power" trouble shooting flow chart in the Sanyo DP50747 SM.
You also want to check the rest of the boards for any damaged looking components. One common failure is the X-sus board so make sure to check all of those. If it is a DP50747 then it was build right at the end of the time of the capacitor plaque, where a higher-than-expected failure rate electrolytic capacitors occurred. As always, you can post some good image of all of your boards with your question so we can assist you checking those out. Adding images to an existing question
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