anyone suffering from a buzzing noise on their Hitachi 32LD7200 ? Seems a little worse when the pictures are darker. I can pretty much stop it happening on sky via RGB scart by adjusting the backlight setting to maximum but no amount of tweaking will stop it on DVDs via component. It's not that loud but I can hear it when there are quiet moments in films, more than likely because I know it's there I'm listening extra hard ! Not sure whether this is an inherant quality with LCDs in general, I recall reading that the Philips 9986 is known to suffer too. I'm really just trying to find out whether it's normal and I should put up with it or whether my set has a fault. The noise seems to be emanating from the rear left of the set if you look at it from the front. Would be interested to hear other owners' views on this ?