I have the same problem too with mine, so far I have not been able to find anything about it.
This site claims to be able to help you, though for a price.
http://www.justanswer.com/questions/1xl9v-my-hitachi-42pd6600-a-has-stopped-working-at-first-it-appeared
Let us know if you get an answer?
andrew_mackie[at]exit2000.co.uk
Punk Andy
May 2010
howtomendit.com for free repair help, information and advice.
