Monitor gives wavy lines when it powers up

Bless it and now bury it. That's about as good as it gets with a 9yr. old monitor, you got your money's worth. It should only get worse and fail entirely. It either has a bad HV xformer or leaky one/its int. cable, possibility CRT tube. Though, I would at least open it up and air clean it out of dust build-up BUT, inspect componets beforehand of any obvious damage. Don't do any of this if not capable or unsure, there is HV present even when turned off. I suspect the Sony is a CRT type monitor, it maybe time to get a new one, maybe an LCD model of your likening. The electronic deals can be checked online, but now and into Xmas/New Year is the best time for such.

tada -----Willy

Repairs will be more than a new display so if that's all there is for the problem, just give it the minute to warm up.
Bob

With a CRT monitor (much like CRT television) the scenario you describe is usually created by a transformer going south. Either the HOT (HORIZONTAL OUTPUT XFRMR OR THE VOT (VERTICAL OUTPUT XFRMR) It could also be created by leakage from the anode. Could it be fixed? Probably, is it worth it??? Uhhhh no, so save some spare change and get an LCD when you can, the Trinitron has seen its' day.

OK repairing it is out of the question--I've never done monitor repairs myself and I'd rather sink any extra cash, as you folks figure, into a new one.

Just from the symptoms described, tho--from what you folks can tell, is this something that can last indefinitely, as in a year or more? Or does this usually signify a rapid, month or two lifespan? Or is it impossible to tell?

If it can go on for a year or more, I think I'd rather put up with the wavy lines, but like I said, I think buying in the next 2 months will get me my best deals by far....