good morning colleagues, in this opportunity I enter a TV that only tunes to channel 50, the other channels are in tune, some well, the questions made are - tuner change -location of new memory -tension verification 33 volt, 5 volt, agc and data -3.3 volt micro filter any help from now thank you very much

hello the subject with this tv is the following if you do not put the same tuner number it makes you that fault you noticed if the tuner you have is the original or they had changed it I already put that fault on me and it was because I did not have the same number greetings