I bought a 52" Polaroid for like 50$ and the

No Model number, '50 inch' is just a size.



Can it be fixed? Yes, they can all be fixed.

Is it worth it? Unlikely. Polaroid are a camera maker and don't have a good name in televisions.



Hopefully our television @Larry will be along to confirm.



https://www.google.com/search?q=Polaroid+TV+50%22+fault+across+bottom+of+screen%2C+transparent+band+about+2+inches+high



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Polaroid is the other non-brand name products, made in a limited quantities and used well known logos as a bait for consumers. Those are: "element", "mag', "magnavox", and polaroid itself. the only one advantage of early "polaroid" is: display panel has been made by real Polaroid, then. what made the picture quality outstanding, compare to other "bunch". even though they use similar hardware and design. Many real Polaroids were junked few years ago, due to inability to get any product support: i.e. hardware for a reasonable price. that's why you have got into the problem: there is NO support for the product, not even "factory exchange only"! That's what we, the Repair Men, find at the 'parts distributors". Those must be sitting on direct payroll from People's Republic. They trying to price replacement parts well above the cost of new unit. Example: 52" Sharp LCD panel cost: $2,695.00 plus s&h! and that's for 5 years+ set! Make up your mind about 'support" and start to repair your set. In most cases it will be very reasonable, especially if your set was your 'baby". don't try to replace it now: closer to the date, TVs are becoming more and more "toys"! Built to break! how would you support growing economy and wealth of those "people's republics'? By robbing yourself of the daily pleasures!
good luck in your discovery,
thanks,
Alex.

U tries check the power source and unplug,replug the tv back like about an hour later.For the tv to do a resetting itself back to the factory setting.No,fans in LCD or Plasma flat tvs.If this tv a LCD flat screen tv than the tv have power supply board problems,this tv doesn't have fan design into it.After it goes off the tv power LED light indication on the tv bazel frame are blinking?Yes that the tv have a power supply board can't sustance power voltages to the tv anymore.The tv power supply board that the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish power supply board for the replacement.Or have the tv service by a athorized LCD tvs and Plasma tvs shops.

The board that call the T-CON board it is dying and dead soon.That why it is causing horizontal or vertical lines and distoted pictures.This T-CON board sit in at the bottom in the middle of the tv LCD screen panel and it only job are to decoded pictures pixels before it go onto the tv LCD screen panel.Tries websites Shopjimmmy.com,Ebay.com to buy a whole new refurbish T-CON board for the replacement.

The blue line came on to the tv LCD screen panel by itself,not caues by u or an object by hitting the tv LCD screen panel itself wright,if yes this problems can't be repair because the LCD screen panel itself dead.Blue line happen by itself,the tv board that call the T-CON board it is dying and the causes.This T-CON board sit at the bottom in the middle of the tv LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish T-CON board for the replacemrnt.

A capacitor is building up power and then when there is too much power it discharges turning the tv back on without you hitting the power button. The tv will need to be repaired by a service tech however get a quote and then decide whether it is better to just buy a new tv. LCD's have dropped in price greatly.

Ur convergence is dead,go to ebay.com buy the convergence repair kit.Find out ur make and models,and manufactures of ur TV buy it.
All big projection DLP have this prob. one time or other every manufactures,Sony,Samsung,RCA,many others.

if you heard a hissing or like static sound your board probably has a hole in it now. the board on the left side with the flyback fransformer. the hole is from where a prong has come loose an is arking over an it burns the board the ark is the sound you heard.

buy a new one

Polaroid screens are generally expensive. It would probably be cheaper to buy a new camera altogether.

However, having said that, please check around the repair shops for a quote first, before you decide to buy a new one..