Question about Toshiba 42HP66 42 in. LCD Television
Check whether the backlights get full brightness as you increase the bright ness level. Set the set to least contrast level, and check whether the backlight is sorking well. If it is OK, then try to increase the contrast level [to at least 70% of the total]. If backlight level cannot be adjusted according to the contrast level the backlight inverter baord and backlight CCFL lamps need to be checked.
images of the backlight inverter board and CCFL lamps are attached here.
Posted on Feb 21, 2012
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Posted on Jan 02, 2017
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