E320I-A0 E321i-A0 LAQANLFN 3632-2082-0150(3B), 3632-2082-0395 Main Video Board

in this video we will go over some troubleshooting steps for a vizio LED TV with a blank screen and no back lights in vizio LED tvs you can have differences in the number of boards most will have a main board and a power supply board while some may have an LED driver board and t-con board this TV just has a main board and a power supply board here is the main board and here is the power supply board the LED driver can sometimes be built onto the power supply board as we can see here on this TV the t-con board can also sometimes be built on to the main board or into the TV panel this TV has the t-con board connection here and then it runs into the panel click the link in the video for more information on the basic functions of these boards if you have a blank screen on your vizio LED TV the first thing you will want to do is watch our flashlight test video to help determine if you have b