Hello i have lg flatron drp 100 television set . it has found problem which is second sound i mean digital is working but normal sound when i turned on via remote it sounds like zzzzzzzz... Did my service provider repaired wrong or put cable to wrong way internally???. And second is when i turned volume up my screen do like dancing. Kindly please tell me the solution and also send me the way of wires because the service provider forgot the wires way