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LG 55ln5700 picture does not fill screen

Why does the picture not fill the screen?

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Go to picture/video settings and make sure your screen size is set for 16:9 or wide screen ratio.............

If you have dish or cable go into menu settings and check and make sure the same is true

Sometimes on the remote there is a picture size/mode button you can press to change the screen size

Normal or Wide would be widescreen
Stretch is zoomed picture that fills the screen
Letterbox is the square box screen

It sounds like a picture setting problem to me
I would try those things first

Posted on Jul 09, 2013

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Posted on Jan 02, 2017

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My lg plasma tv is cutting off the edges of the shows we are watching. I cant find a setting that will take care of it. Can you help


hmm normally these settings are found in the picture settings of the set top box or just a setting in the tv's picture settings now there might be an option to say fill screen that may work best for some or leave the tv in 16:9 some broadcasts may only be in 4:3 at times this is normal broadcasting and not much can be done unless the setting on the picture option is set to fill screen

Jan 08, 2017 | LG Televison & Video

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Have a LG 55LN5700 tv with no picture but has sound. Flashlight test shows image on screen. When turning on LG image flashes on screen then all is black. What do you think the problem is?


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/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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55" LG LED television screen went dark


Sounds like Back - light problem. 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/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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How do i test a backlight for a led tv


Testing TV Backlight LEDs - YouTube

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Dec 26, 2015 | LG Televison & Video

1 Answer

I have an LG 55LN5700 the video goes away after 15-20 minutes while the audio still working Please Help!


Back - light problem. 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/
Some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Aug 21, 2015 | LG 55LN5700 55" Smart LED TV 1920x1080,...

1 Answer

Model 55LN5700. Turn on, LG logo pops up, screen goes black. What's wrong?


Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. 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/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Jul 20, 2015 | LG Televison & Video

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Model 55LN5700-UH. Why does it turn off and on every 5 to 7 seconds?


Fault to 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/

Jun 17, 2015 | LG Televison & Video

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Directv codes for LG 55LN5700


0145 0152 0156 0160 0166 0168 0182 0195 0213 0214 0225 0233 0234 0239 0243 0379. Check these codes. If you wish to get more; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. See it in "Mosaic" or "Magazine" view. It will make surf easier. Do a search by type in the brand name of your device at its search box.
http://electrohelponline.blogspot.com/ Check this link too. http://remotesearch.blogspot.com/

Jun 01, 2014 | LG Televison & Video

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A simple question - My new 42" LG tv is fine -


You should be able to change the aspect ratio to fit the size of your screen. This will be the 16:9 4:3 16:10 settings.

You can access these by going to MENU---> PICTURE -----> Select ratio that works----> exit out and watch TV.

IF this will not fix it you need to look into the signals being fed to the TV as sometimes they can have a funny effect on the output picture. Some cable boxes will alter the picture and then it won't come out right on the TV. If it is all inputs doing this tho then changing just the Aspect ratio on the TV should solve the problem.

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