cd and led tv repairing course consists of complete repairing of smps, android tv motherboard, timing control board with chip level components replacements. students are taught practical classes and detail explaination of students doubts. Sk computer technologies conducts classes for led and lcd repair training which consists of live training for motherboard and components changed, tracing the circuits, troubleshooting methods, short killer is used for finding out motherboard short circuit, panel related problems such as timing control signals vcc, vgh, vgl, vcom, reset, sclk, data, clock lines .