Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: I have an Onida 29
All lasma an lcd ts have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times reseating the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them, but it is very easy to wreck em. but if otherwise
Panel is faulty. probably bad connections inside the panel.
Posted on Aug 02, 2010
Sound issues and answersa short list:
sound on set or a box muted or turned down?
speakers inside the set (see menu) switchedon or off?
internal/external switch somewhere in or on back of set?
Clearly it could be a audio problem (a model number?) but explore all here thatyou have not already done--make sure theremote set to TV and look for a button on it marked MTS and if there cycle it.
You can also determine if same trouble when you play a DVD
Posted on Apr 01, 2012
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