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Umc led tv will not turn on

Tv will not turn on via remote or switch at back of tv Red light comes on but immediately goes off

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Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Posted on Apr 09, 2015

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Hi Janet,
There is nothing you can do yourself about it. Please consult some qualified technician. Good luck.

Posted on Apr 09, 2015

Testimonial: "very quick answer unfortunately confirming my suspicions that a new tv is probably more cost effective"

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Posted on Jan 02, 2017

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Sony bravia kdl55hx729 3d led tv turns on 3 seconds shows picture than four red flashes


Hello,
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Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.
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The blinks are fault indication. If the standby light blinks 10 times and the set shuts down after that;
Check Q8014 and Q8013 for shorts, leakage, or bad solder connections on the " D" board. If the transistors are bad, check R8051 and IC8005, also on the "D" board

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I had my dish installed to one tv. Now i switched out the tv for another one how do i get my dish to work with the new tv


Hi there this is Kimberly Escobar with DISH Network. I will be glad to help you by providing you the information that can help you. To program the DISH Network remote with your T.V we usually integrate a code into the remote that works with the brand of your T.V allowing our remote to function with the T.V itself by reading your post you don't mention the brand of your television but that is not a problem there is another way to help program your remote without having to use a code, it is called Power Scan in the Power scan procedure we search for the code that gets the remote to control your T.V. To perform a Power Scan your T.V must be on, you press and hold the T.V button until all the other buttons at the top light up in red. Once they light up in red you enter the number 500, you wait for the top buttons to go off and the you will press and hold once again the T.V button until the buttons light up again once you see them come on you will press the big red Power button on the remote once immediately after you press the big red power button you will press one repeatedly the channel up arrow one time after another until T.V turns off immediately after it goes off press the pound button (#) you should see the T.V button light up 3 times then try turning the T.V back on using the remote it should work. Here is this link http://www.dishnetwork.com/SupportSection/power-scan-instructions it shows you the procedures. I hope you find this helpful if you have any questions or need further assistance please contact us directly at 1800-333-DISH thank you.

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2 Answers

Tv won't turn on


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1 Answer

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I had the same problem (with 42FD9954/17S) that when turned on the unit, the green LED turned off and came back to red again some time later. I kept turning it on and once it went to a clicking relay sound and blinking green LED with it. It did that for a while and stayed turned on. I noticed that it is temperature sensitive. Colder the room is more often does it. Used a hair dryer and blown hot air into the unit at the left bottom grills. It helped and started to tun on quicker. Later it has deteriorated so bad that I took it a part and after several ice spraying test showed that on the middle big board (power board) there was an electrolyte condenser went bad. It is the one one which is at the middle, bottom center of the board near the fixing screw. There are two of them (cylindrical objects). The left one was the culprit. However when I fixed it, it turns on immediately but goes blinking red after that. Phillips say it is a static discharge problem. I might blown something when soldering the parts. I don't know what. Any ideas?

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