20 Most Recent Samsung 55" UN55D6420 3D LED TV Smart TV Questions & Answers

Repairing Flat Screen TV - Blacked out with blinking red light

? 12:00 https://www.youtube.com/watch?v=3GmtBthpzDk Mar 15, 2012 - Uploaded by n1bpd Repairing Flat Screen TV - Blacked out with blinking red light ...Capacitors are little cylinders with a flat top with an X. If they have failed the X .... picture, no sound, totally black just the red power light blinking on the corner ... hello i have a dynex dx-lcd42-09 the red light blinks as soon as i plug it in i opened ...Missing: 5x

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The capacitors on the power supply need to be replaced. When you take apart the TV, and then remove the power supply (it's the section that the power cord goes to) and open it up. Look for the little can capacitors and see if any of them are bulging on top. That is the sign that they've blown. Replace the big ones (about 5) for about $5 in parts. Reassemble and test by turning it on. Search for YouTube video on how to replace capacitors.

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/ Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

you will need to replace the leaky capacitors in the power supply circuit. You can locate the faulty capacitors with a visual check. Those that are bulging need to be replaced.

i need the model,but the problem is in the T-con board.

Most likely the power supply capacitors. you can identify them by their bulging tops.