i had the same problem with bush 42" plasma but lg42v7 board.got 3 panel repair kit ysus, zsus and control board (did,nt use control board)cost £80 from ohm supplies bin great since.just google repair kit for 42"bush plasma they have kits on ebay as well but the price varies a lot from each supplier,make sure you only buy new boards (not repaired or refurbished)as they are upgraded to last a lot longer,hope this helps.
kendo, December 2009