Hi everybody

Just wanted to chime in with some info -- I have the Betson Kortek KT-2914 and had the exact same problem after about a week of use. One day when I powered up it was making a tick-tock sound, and sounded almost exactly like a car turn signal, and there was no picture regardless of what I plugged into it. I called Betson (I live in the LA area so I called the nearby shop in Buena Vista Park) and spoke with some service guys there. Unfortunately the warranty on these monitors are very short and because I ordered the monitor long before I had completed my arcade cabinet I was out of warranty already. The guys at Betson were pretty nice about the whole thing and they repaired it for free since I agreed to drive it down there or pay for shipping. When I went back to them to pick it up they told me they had to replace the flyback converter.
About 3 months later the exact same problem started happening again. Plugged it in one day and "tick-tock, tick-tock, tick-tock...", no picture. Unfortunately I had moved to the midwest and was now nowhere near Buena Vista Park to have it repaired.
I've moved back to LA now, but unfortunately my beautiful arcade cabinet has been sitting here unusable for about a year and a half because getting it repaired is so difficult and expensive. I could probably drive it back down to the guys at Betson now to have it repaired but when I called they warned me it would be very, very expensive to repair. The refused to quote me an exact price. Since this thing has died twice now the exact same way, I'm concerned that if I get it repaired the same thing will just happen again.

I wonder how common of a problem this is with arcade monitors?