Question about Samsung LE40R73BD 40 in. HD-Ready LCD Television
Your Samsung tV is LCD type. It has no bulb to replace as in DLP projection televisions. there is CCFL [Cold Cathode Flourocent Lamps] are the lighting devices, which are fitted just behind the LCD screen There will be more than 12 numbers of them, accroding to screen size. If these lamps do not light up; that is; if you do not get any backlight with your LCD TV, the backlight inverter board should be troubleshooted. This is the board that supplies high frequency high voltage to these lamps to light up. Check this inverter baord first. Repalcing backlight CCFL lamps is really a skilled work, as they are fitted inside the panel, and to replace them, you have to disassable the panel itself.
Posted on Feb 24, 2012
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Posted on Jan 02, 2017
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