Question about Televison & Video
Firmware issue....update firmware by going to the manufacturers website and update. The main board can be replaced by a tech and he can update the firmware then also
Posted on May 28, 2010
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Posted on Jan 02, 2017
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My Answer to you> Sound..No Picture? First off...the device or appliance has two separate functions that do not totally unite with one another. True Picture and Sound need to be in Synchronization with each other; but each are independent form each other, as far as circuitry is concerned. Thus; you can have a perfect Picture (VIDEO) and no sound, or visa versa. If the VIDEO is not working, then problems with the video controller exist and this is related to the Picture Control function only. Circuit boards with electronic parts are assembled in a precise order with certain values and purposes. If for any reason one of these components fail the entire Video procedure goes crazy and does strange things. You cannot physically repair the board, and even professional technicians have difficulty doing so. Replacement is the only way to go, or purchase a whole new product.
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