Is the status light lit steadily or blinking?
Any other sounds currently comoing from the TV (click sounds, buzz, hum, etc.)?
The problem is that your Lamp has failed. These lamps run hotm and typically last between 2-3 years on your set. When they fail you will get the "pop" sound, and the set will have sound but no picture. You need to replace the lamp. It can be located for purchase at the link below: