Hitachi 55HDX99 55 in. Plasma HDTV "logic main" Questions

...main logic board known as a tv Tuner signal board it is the causes and the problems.The tv main logic board,the tv Tuner signal board it is shorted and not taking in and sustance power from the tv ...

...logic main board and the main board, sometimes this cable is too short and comes loose from one of the boards, it could also be a sign that the logic main is going out or the panel itself is shorting ...

...50mf231d/37 and has power at power supply. It lights up green led bulbs ever where but have one flashing green light on Main logic board. Is The asic main logic Board Bad? YES--Probable Blown

main tuner logic board or 2)The tv Plasma screen panel itself it is slowly leaking radiaton and dying,if it is the tv plasma screen panel itself it is dying than the

...main logic control board, y buffer board & y main board but it still same problem, please tell me what can I do? power on /off good, screen went blank but audio sound good, I was replace main ...

main logic main board and still no picture Hi Thanks for using FixYa. As you have already replaced the Z-sus and the main logic board then the issue seems to be with the Y-main and/or Y-sus board. You

...the only way to turn it off is to unplug it, is that the main board? Yes it can be the main board is not sending the turn off command to the power supply board. Usually logic high = on, logic =

by the main logic board, a dammaged screen or by the main x and y drivers. Hard to determine which one it is, but somthing is getting hot which is causing the problem. My guess is the main logic board

main logic Tuner signal board it is also dead too.The Tuner signal board that the board where the tv incomming broadcasting signal wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a

...Main Logic or Tuner. Anyone know what the EXACT voltages should be at pins of SMPS and out of Main Logic for this model? Anyone else have this problem and find a solution other than replacing Tcon or ...