Camcorder shows condensation problem most of the time

Its a possibility that the sensor could be bad but I'll bet that its a small surface mounted capacitor thats bad. These are common for the caps to go bad, and when they do start to leak, the camcorder should be taken into the shop asap, AS THE LONGER YOU WAIT THE MORE DAMAGE the Capacitors will cause, as they eat up the tiny traces on the board and then the board has to be replaced. Good Luck