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PramitP, Technician
Category: TV
Satisfied Customers: 3036
Experience:  Diploma in Electrical and Electronics from AVV University
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I have a thin red line on my screen Vizio 37 HDTV. The line

Resolved Question:

I have a thin red line on my screen: Vizio 37'' HDTV. The line is vertical from the bottom of the screen & reaching upward 2/3 of the screen
Submitted: 7 years ago.
Category: TV
Expert:  PramitP replied 7 years ago.

Do you always get that line or sometimes it goes away?

Customer: replied 7 years ago.
Line appeared about two weeks ago and is there when the TV is on ever since it's appearance
Expert:  PramitP replied 7 years ago.

Have you tried unplugging the TV for few hours?


Customer: replied 7 years ago.
No. but the reason for my inquiry is also that a relative had the same problem & wound up re-purchasing. So, is that the suggestion?
Expert:  PramitP replied 7 years ago.

I am sorry to hear about your relative.
My answer would be no if you will be able to fix it yourself. The cause is that if there's a minute fracture in the control array, you could find that one of the transistor control lines has failed. Basically, you've got a grid of transistors, with wires connecting them, behind the monitor. Specialised control systems and timing keeps them working, but basically, it's a load of wires turning on and off. If one of those wires gets damaged (From you saying that red is on permanently, it could be a short on the red pixel line) then you get the red line. The other reason is that the LCD panel inside the TV might have gone out of order.
In the second case the only possible solution is replacement of LCD panel.
If you have any other queries then I would be glad to asist you further.

Kind Regards.

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