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Hi there my TV went blank emerson model LF391EM4

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If audio is OK, the fault is with its back-light inverter section circuit. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/

Posted on Nov 13, 2014

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Posted on Jan 02, 2017

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I have a Emerson model LF391EM4 flat screen that when turned ON shut itself off after apx 10 seconds. It has never done this before, what can I try to do?


REBOOT IT BUT HOLDING DOWN ON THE POWER AND TURN IT BACK BUT HOLFD IT DOWN FOR ABOUT TEN SECONDS AND THEN TURN IT BACK ON

Jan 09, 2017 | Emerson Televison & Video

1 Answer

How do you fix the loss of picture on a Emerson 32 flat screen


Hi Buddy,
There appears to be a problem in the Timing Control board. Please consult some local TV tech to do the job.

May 26, 2015 | Emerson LC320EM2 32" LCD TV 1366x768, 60...

1 Answer

Hi I was wondering if there was a detailed guide on how to replace a emerson lf391em4a IR sensor.


Here's where you can download the owner's manual, if you'd like to science your way through such a replacement. Walmart Emerson LF391EM4 39 1080p 60Hz Class LED HDTV

And this TV may be similar enough to follow this guy, with necessary adjustments Sharp Elite PRO 60X5FD IR Board Replacement

Unfortunately, cheaper TVs are meant to be sort of disposable, as most would just want to buy a new V than to fix it themselves. It may be glued together and you may have to break some seals and some warranties doing this yourself.

Good luck!

Jan 05, 2015 | Televison & Video

1 Answer

Why would we have to re program our tv channels?


If you turn the TV off by any other means than using the TV's power button you will lose the saved channels.
I think that this only applies to the first turn off after the channel scan.
In notes at right.
Emerson LC195EM87 Owner Manual Auto Channel Scan Language Selection

Oct 14, 2014 | Emerson Televison & Video

1 Answer

Almost every night we have to re program the channels into the tv..why is this happening and what can we do about it?


You will need to replace the battery on the input board,similar to the bios battery in a computer

Len

Oct 14, 2014 | Emerson Televison & Video

1 Answer

Comcast cable has stated that i need a cable box unless i have a tv with a QAM tuner. Does my Emerson LF391EM4 flat screen TV have a QAM tuner?


Depends on where you get your service. Where I liveon East Coast of US, ya got to have a Comcast box (DTA Digital Transit Adapter) or better) PERIOD. Currently, there are no TV sold in my area that can beat the Comcast system. It may be different where you live.

Aug 05, 2014 | Emerson Televison & Video

1 Answer

Emerson 40 Inch LED Flat Panel Screen Model Number LF391EM4 A Trying to utilize other media products to watch home movies & photos through USB Port on the televation screen. have no manual when bought...


First locate a manual on the Emerson site and download.
You need to change to 'input' to the TV by selecting the 'source' on the AV button.

Download from here
http://www.emersonaudiovideo.com/support/download.php

May 22, 2014 | Televison & Video

1 Answer

I have an Emerson TV Model # EWF2004A, where is the reset button on it or does it not have one


Most Emerson sets must reset with power OFF. Just unplug the TV from aC mains power wall socket, and re-plug it back after 10 minutes or so. This must make a hard reset to TV. If the problem is with resetting, it will get rectified.

Jul 04, 2012 | Emerson Televison & Video

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