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Emerson tv model no lf320em5f won't come on. What can I do?

Tv was on and had been working perfectly. Went black and will not power on.

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The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main 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. Pull up older posts.
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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Apr 18, 2017


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Posted on Jan 02, 2017


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What size screws do I use for the Emerson LF320EM5F to mount to tv

I use over size screws to be safe don't want it to fall off,if its big and it fits that's the onenothing under 3 inch

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I have an Emerson TV model #lf320em5f, I lost my remote, can you tell which Emerson TV remote would work fine with my Emerson TV

Amazon has replacements, here is one example:

Additionally, you can search online for the remote by using the model number and adding remote to the search.

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While I was watching my Emerson TV I heard a loud click and the screen went black and audio went off. When I press tv button on cable remote the tv button glows red, and nothing happens on the tv.

Hi the power supply might have shut down through overheating turn the power of at the wall socket & wait for a short time before trying again the TV might reset itself if this doesn't work its probably shut down from a faulty component. good luck

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most picture tube tv have a deflection circuit, usually located in the main board. ausuall suspects are the horizontal out transistor, the horizontal output transformer, and the voltage regulator(usually found in the power supply circuit). If you are familiar with the use of a multimeter and short testing for transistors, you might be able to repair any of these mentioned components, but if you have no experience around these components. best to leave it to an experienced tech to give you an estimation on repair costs. don't forget to unplug all electrical connections brfore working on any electrical circuitry before removing the back cover.

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Dec 02, 2008 | Televison & Video

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How to change the input

First, the bad news: Unfortunately, you are correct - the only button to change inputs is on the remote, which you no longer have.

Now, the good news: You can buy a universal remote, set it for your TV model, and have control of your inputs again. The first link below is for the URC R6, which is available at any Walmart for about 20 bucks. You can set it up for an Emerson TV, no problem. Here's the link for it:

Also, here is a link for the owners manual to your Emerson EWF2703, in case yours has gone missing with the remote:

Not a perfect solution, but it will work, and it will work just as fast as you can get to your local Walmart or equivalent.


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