It's ~4 years old, 1700hrs on it's original lamp. Flickering was like a dimmer-switch being wiggled, not like a duff signal.
Standby: solid red
Lamp: flashing on and off
Warning: solid red
It'll come on for a minute or so before going out.
Many threads point at a failing ballast...
I have an 8 year-old 60" Sony SXRD (KDS-60A2020) that basically won't turn on any more.
I had just bought a new Phillips lamp in January, and one month later, as I was watching TV, the screen went black even though the audio continued. Once I turned off the TV and tried to turn it back...