Question about Emerson 40" Lc401em2 1080p 60hz Flat Panel Full Hd Tv Hdtv Free S&h

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No power Tv cut off while watching and power bach up.

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Check circuit breakers, fuses, and all wires. Unless you have test equipment, a repairman may be your only answer.

Posted on Mar 25, 2014


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Posted on Jan 02, 2017


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Tv will not turn on and have no power light

probably the power supply have some problem. Try to watch the video to know how test the power supply circuit of a flat panel tv TV.

If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.

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First thing if you are able is follow the power cord inside and check the fuse it goes almost directly to.

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You mean cut? power trip on and off?


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Do you have "standby" power? In other words, does the set click or buzz when you try to power up using either the remote or the front panel?...accordianman

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TV cuts off while watching any channel and after some times 1 Minute

When your TV cuts off, does just the video cut off or do you lose all power? Does the power light stay on? If the power light goes out, I would suspect a bad solder connection in the power supply, or maybe a defective capacitor or two in the regulation circuits. If just the video is going to black screen, it could be your picture tube getting weak and the cathode current monitoring circuit is kicking in preventing you from seeing a sub-par picture. Sometimes this can be temporarily adjusted out by a very small amount of tweaking of the screen control located on the CRT drive board, but it is easy to get a shock and hurt yourself if you're not familar with the set. The CRT can sometimes be restored for a bit more life with a CRT tester/rejuvinator that the service Tech has access to if that is what is causing your symptoms.

Feb 06, 2007 | Sony FD Trinitron WEGA KV-32HS500 32" TV

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