My Sony Plasma PFM-42B1 has been failing intermittently. The standby light flashes 6 times indicating "PDP Failure".

Quoted: They also told me there's a design issue with these monitors that they're fixing under an extended warranty arrangement. But you have to send the monitor to them - in San Diego - to be sure. They called this the "HIC Issue", and it indeed involves the X and Y boards.
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Sony Business and Professional Solutions
866-766-9272
Sony Broadcast Solutions Services
877-350-3477
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I've ordered a shipping container from them and my PFM42B1 is going on a vacation to the San Diego rejuvenation facility! :)
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My PFM42B1 PDP (6 blinking lights) just went out on me as well. Called Sony regarding the HIC issue and said they are no longer repairing them for "free" or repairing any plasmas for that matter. They said they stopped doing this "a few months ago." - Dec 2007