I called Samsung regarding my LN40A650. There were some doubts from some of the reps I spoke with, I think, about whether or not what I am describing above really indicates a capacitor issue. Because of this I'm worried that when the service technician comes, he'll discover the problems I've been experiencing have nothing to do with the capacitor and I'll be charged for the visit.
Here are my symptoms:
- I'll notice a weird glitch, like a small square of static suddenly appearing in the middle of the screen (otherwise, the image looks fine), and thne the TV flickering for a second, then a thin band appearing at the very top of my screen, directly beneath the bezel.
- This usually happens about 20 mins or so after the TV is first turned on.
- That line/band at the top of the screen goes away when I turn the TV off and then on again.... I haven't seen the problem reoccur after turning the TV off. It only reoccurs the next day, when I turn the TV on for the first time in the day.
- NOTE: I moved recently, and I accidentally plugged a 125V power cord into the TV. It worked fine for a bit, but it wasn't long until these issues cropped up for the first time ever. I realized my error and plugged in the correct, 120V cord. The issues actually went away for about a week, and then they returned suddenly. So, what is that all about? Was it just a coincidence? Did using the wrong cord create the problem or not? Did the correct cord momentarily solve the issue? Either way, the problems are back now.
What do you think? Do the visual glitches above indicate a capacitor issue? One Samsung rep told me that the capacitor is essentially the part that powers on and off the TV. Thus, when you hear clicking (one of the symptoms listed on Samsung's website), that's the capacitor repeatedly trying to turn the TV on. This is also why the other symptoms include the TV cycling on and off, taking a long time to power on, etc.
I don't have those symptoms -- I guess the TV takes a long time to turn on, but it's always done that, or so it seems. I can't really tell if there has been a difference. The TV itself doesn't cycle on and off, but the image does occasionally disappear as part of the visual glitches I described above. For instance, the TV image will suddenly vanish, leaving me with a black screen, then it will restore the image in a moment, but with a weird, jumpy line at the top of my TV. Does this sound like something that could be traced back to the capacitor?