Question about Sharp Aquos LC52D92U Television
Could be the supply not producing 70v, could be a missing power on command from the logic pcb, could be missing 5v on the timing pcb, could be a backlight lamp not firing, could be the process Ic on the main board no producing a video out do to an order off command, bad connection or missing voltage. That's the pain about sharp TVs really well made but really hard to fix.
Posted on Apr 02, 2013
Check the backlight inverter and bulb. If inverter board has some trouble, this type of fault will occur to sharp LCD tv. Try to increase the brightness of the screen. If cannot, backlight should be checked. OK.
Posted on May 04, 2011
If the capacitors in the TV are good it may be an issue with the back light. Ether your backlight is bad or the ballast are since the menu and the pictures are both dim.
Posted on May 03, 2011
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Posted on Jan 02, 2017
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