HELP! Please, and thanks you.

Question

I know this is irrelevant to HP, but I am desperate! have had this tv for 5-6 years, it is a Panasonic th-37px50u plasma, and it has never been dropped. Though it has been in a dusty environment, and not cleaned before now, also I suspect a capacitor on the power supply to be bad, though I am not %100 percent sure. I am experienced with tearing things apart, I just want to know your opinion on what you think may be wrong? Please answer, don't be shy! Thank you all Also, I will upload a link for pics, though I am not sure how well you will see them, it has a rainbow affect, and little ocean like lines every 2 inches separated, also there is one single black but very thin line through the middle. Anyway thanks again! Have a great day PICS
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Answer 1

Harrington,
This could be off-base; I have never had a plasma TV.  I do remember that years ago when we purchased our first, (then) expensive Sony LCD that plasma TV's were considered high-end; they were high $$$, too.  The BIG thing about plasma TVs in those days was the great Picture - true Blacks and great colors - and you had to have them tuned up like a car.  Yes.  It was the reason we did not buy one:  Tune-ups.  High maintenance, like 12 cylinder race cars.
I suspect your TV needs a Tune-up.
That does not tell you what is wrong with it.  There may actually be such a thing as a tune-up-kit for a plasma TV.  Or, there may be a tech out there that knows what parts would ordinarily be on the list of things needing replacement - like that capacitor.  It might at least give you a starting place that makes sense:  "Well, we are supposed to replace / fix this - it is on the list", that sort of thing.
"That's all I got."
Good Luck!
Kind Regards,
Dragon-Fur