Question about Televison & Video
Your TV is fitted with Toshiba kit I understands from your description. There is a sub-brightness contorl on board [a small preset resistor, which can be adjusted with a small screwdriver] fitted near to the LOT and towards its left side, on board. First try to advance the screen voltage by adjusting the screen control integrated with LOT. Screen control can be located at the bottom. If it does not help, adjust the sub-brighness control. If sub brighness preset is faulty, this kind of fault may also occur. So replace it with a new one. As far as on screen meny display and blue back screen at no signal is there and the sound is Ok, there is no other fault with the kit, other than adjustments. OK.
Posted on May 18, 2011
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Posted on Jan 02, 2017
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