The picture will not turn on. I installed new lamp. TV picture okay. Turned off TV after 10 minutes. Now power light blinking red 4 times. No picture or sound.
Sony service said it means fan problem & surprised TV went back on for awhile.
Sony service coming next week.
Is there a way to clean the fan?
What is ambient temperature limit?
There are three fans the one that usually fails is located on top of the optical block and cannot be reached by the owner unless you take the set apart yourself. What is happening is that one of the fans are not spinning fast enough or has stopped altogether. The best solution is to replace all three fans cleaning may not be enough to get a slow fan up to speed, and the tech should blow out the dust in the duct work. This is what the tech coming out will (or should) be doing. Also some fans will have an intermittent startup, and cause this intermittently, so it is a good idea just to replace the fans instead of just cleaning them.
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