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I have a year old RCA 49in 4K TV that lost all power. Do you have any suggestions on how to resolve the issue?

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  • RCA Master
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Fault with the main power supply regulator board. 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 Nov 14, 2019

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6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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SOURCE: lost all power in 1991 RCA TV model F35100ST

Best thing to start here is open up the TV and look for any blown components on the power board (which is the one that has the power cable attached to); check the transformer for continuity first, that is the first thing to blow. Then go on with capacitors, resisters, and any burnt wires.

All of these parts are easy to find and replace, they can be found in local electronics shops.

Please post back how it went and any further information or questions you may have, so we can help you better.

Good luck!

Posted on Dec 14, 2007

Slinteriors

Sonny Berry

  • 8617 Answers

SOURCE: RCA D52W26 rear projection. 2 years old. 3 times and powers out.

Try replacing CP150, CP114 and CP120 first cost about 12.00 with free instructions available at the following link under the RCA parts category
http://servicemanuals.vstore.ca/

Posted on Feb 10, 2009

AJIN G

Electro Med Services

  • 6694 Answers

SOURCE: How do I fix my LG Smart Tv that has sound but no picture?

The tcon board or the LCD panel is faulty . Can confirm by replacing the TCON Board .
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

Posted on Sep 19, 2016

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Note: This procedure works with battery operated devices as well so remove the batteries and hold down it's power button.  Electricity can remain in capacitors and on circuit boards enough to prevent normal functionality. By clearing the residue electricity, your product will have a fresh start and many times this will resolve a buggy or non-responsive device that appears to be dead.
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well u have a problem in the audio circuits of the tv which includes the speaker itself. but most of the time the audio power output transistor or ic get easily damaged resulting a no sound tv. if u dont have any idea with regards to this, i suggest have it check with a qualified service technician. it will not cost u a lot for sure.

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