The fusible resistor could have become defective without anything else being damaged. your guide menu should come up and it leaves … The TV is powered but the TV screen goes black and no sound. -->. I updated the sound drivers and I set "Digital Output()" as the default playback device in "Sound", and I still get the sound from my laptop. In Stock. Found inside – Page 7812/15 FEATURES: The Panasonic screen is equipped with two sets of RCA composite and audio inputs, along with a composite video output to an additional display device. There is no input for a D-sub connector so PC users will have to find ...