I have a 42 inch floor model large screen tv, by

These have pretty complicated power supplies in them. They have the first switch mode power supplies that were used. It is difficult to say the least to find the parts for this set. The best you can probably do is try to find the whole power supply PCB. Try to contact Tri State module or moduslink. These companies rebuild modules and PCB's. Tri State info:800.203.7484 (ext. 203, ext. 210) or http://www.moduslink.com/Aftermarket_Solutions/index.cfm?ref=ARKADASBUL.NET Good luck and thanks.