I have a Sony KP-57WV600 projec. have picture for

Question

I have a Sony KP-57WV600 projec. have picture for 10 seconds then screen turns blue for 10 sec.then black and I still have sound red light does blink but I dont know how many times. Called Sony they told me to unplug for 10 minutes try again-- no luck still same-- local repair men on phone said throw away buy new---- Whats wrong with this!!