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Hi , I`m Jack Perhaps I can help you with this problem but first i would have a few questions like the tv`s model number so could you please send me a reply when you see this ?
Still have the sound when the screen turns blue ?
No problem take your time
Are we talking deep blue like barely any light on the screen or bright blue ?
Thanks how about the sound and this ;
When the screen turns blue can you open the TV's own menu ?
Yes and the model number would start with the letters LT as in LT-46... ,LT-55.... etc.
Can you see the menu or any of the OSD (volume bar ,input info etc.) ?
O.k then this problem can only come from the TV's main board and that is where I would need that number at the back starting with the letters LT if I am to give you details
First down , give me a minute
By the way , this looks like a main board problem part # ***** and I can tell you so far that this board is not cheap at around $170 for the board alone .
How do you want to proceed from here ?Look into this yourself or the repair shop ?
I`m asking because a shop may cost you well over $300 in that case and you can get a new 50 " model for around $500 while this one is a 5 years old 46 " model
No help ???
You got a broken tv that needs parts and repair , I`m not a parts supplier and I cannot be there so I`m telling you what you have looking at and the costs along with part numbers , I don`t know what you call this but that is all info`s you did not have .
A repair shop will give you an estimate at home for around $125 paid in advance repaired or not