Report "NEC widescreen tv sound but No picture model no. PXT-42SX1B. it was working fine one minute, then we turned it on and had sound but no picture. the sound is perfect but no pic. it is connected thru foxtel not thru an exterior antenna. have also tried it on another tv and everything works fine, but as soon as we connect back to NEC TV again perfect sound but no picture. have tried unplugging from power board and connecting thru another board and then strainght into the wall socket but i still get the same thing, sound but no picture. any suggestions pls??i am on a pension with a disabled son and he loves his tv but i cant afford much in repairs please help!! thank you to any one who has any suggestions for me.....dianne"