LG TV goes progressively green when warmed up

[jasondeklerk]

Hopefully someone more technical could spare some advice.

I have an older generation LG TV (non-smart),which when I turn it on works perfectly, then progressively turns green. The whole screen. Any ideas?

 

[marantz123]

 

[GoodEnoughGear]

 

[jasondeklerk]

 

[MR.C]

 

[jasondeklerk]

 

[oNyX]

 

[jasondeklerk]

 

[oNyX]

 

[MR.C]

 

[jasondeklerk]

 

[Family_Dog]