Live TV Small screen in top left (starts as full screen) shrinks down to around 4cm x 2cm on a 70 inch tv

[kennyboom99]

hi Guys,

My lg tv when set to live tv will show full screen for around 20 seconds and then show a very small shrunk screen in the top left corner of the channel

i can switch channels but the screen stays mall

netflix displays in full screen

picutre test shows full screen

i have tried resetting the tv, power cycling, changing cables (coax) and nothing is making a difference.

anyone have any ideas on what causes this?

 

this is what the screen looks like 

link hidden, please login to view

 

any help is much appreciated

 

 

[kennyboom99]

2 minutes ago, kennyboom99 said:

hi Guys,

My lg tv when set to live tv will show full screen for around 20 seconds and then show a very small shrunk screen in the top left corner of the channel

i can switch channels but the screen stays mall

netflix displays in full screen

picutre test shows full screen

i have tried resetting the tv, power cycling, changing cables (coax) and nothing is making a difference.

anyone have any ideas on what causes this?

this is what the screen looks like: 

link hidden, please login to view

 

2 minutes ago, kennyboom99 said:

 

any help is much appreciated

 

 

 

[Angel Beagle]

16 hours ago, kennyboom99 said:

 

Did you see if split screen is enabled?

 

[RickHarris]

Hi  Mate my LG 65UF680T tv started doing exactly that just last night and I've been trying everywhere for answers.

I'd be very interested if you get some answers cheers.

[kennyboom99]

2 hours ago, RickHarris said:

Hi  Mate my LG 65UF680T tv started doing exactly that just last night and I've been trying everywhere for answers.

I'd be very interested if you get some answers cheers.

Mine is the same tv Lg 65uf680t.  no solution to this yet.  

we live in Brisbane (camp hill) where are you.  

i am thinking it might be a signal strength issue, but not sure.

[kennyboom99]

4 hours ago, Angel Beagle said:

 

no split screen enabled.

 

it starts as a full screen and then shrinks down to  the small screen as per the image. 

any direction from anyone would be much appreciated. 

[Angel Beagle]

My LGTV is a 75UM6970PUB. That is why I am guessing. Mine never did that.

[Angel Beagle]

I found this.

 

"The cutoff of the screen is due to something called "overscan". While most TV's will automatically fit the input image to your screen, some TV's may cut off a little part of the screen - about 2-5% - and stretch the remaining image to fit the screen. The solution for overscan will vary depending on your TV. "

[RickHarris]

Hi  Mate my LG 65UF680T tv started doing exactly that just last night and I've been trying everywhere for answers.

I'd be very interested if you get some answers cheers.

 

We are in Shepparton Victoria , ours surprisingly worked last night no idea why or how but i expect it will fail again .

Not sure but isn't there a signal strength check in settings which you still should be able to see .

My thoughts as of now is that its probably the main board , we know it's not the screen and probably not the power board .