Cordial Greetings to all colleagues, dear I have a Samsung tv Tantus model cl21m6mq chasi ks9b. the problem is that when turning on the TV turns on with a dark screen it does not have audio or video and it does not turn off I have to disconnect it from the electrical network I upload it screen and only stand up little retractable lines eeprom screen probe and nothing I hope your valuable contribution to this topic from now on thank you very much greetings and blessings

hello colleague: check the multiregulator lc802 ka7632 if at the time of powering the voltages appear in ... pin10 = 5v ... pin9 = 3.3v ... pin8 = 8v ... also check if the voltages are in the lc201s. ..pin14y39 = 8v ... pin 54-56-61 = 3.3v ... check the swith of the tv keypad if there isn't any stuck ... try the c, remote and see if it happens the same happens same ... regards!