7/25/2023 0 Comments Pressed fireplace 4k![]() ![]() You may find it easier to do this at the rear of the TV where the cord is connected rather than at the wall.if a problem shows up on half the screen or only a portion, it is likely the main board, rather than the T-Con board. Now we check the main board to see if it is the culprit. Just trying to repair instead of just throwing it out is a great way to go. If you aren't comfortable doing internal checks, you can have a technician check it out. Test leads with insulated clips on your multimeter will help greatly with this.Connect to the ground first, then with one hand check the high voltage connection.Use common sense and where possible use one hand at a time for measurements.Remember that there are somewhat exposed high voltage areas on the power supply board.You are mainly looking for signs of failure on the boards and you will replace the board as a unit.Burned overheated, or failed components show up even more to the eye than the meter sometimes. You can still use your eyes even if you can't or don't want to use a multimeter. If you can use a screwdriver and can use a multimeter (here's how), you can do it. Now we move into the area where the back comes off, so to speak. If you don't see an image, you need to determine if your power supply is bad.Read the paragraphs below and determine if you want to try the fix. ![]() You can replace backlights with aftermarket parts that are available. The TV will likely not give blink codes or any other trouble sign. The generation of the image means everything else is working properly. If you do see an image this is a sign that the backlights have failed. ![]()
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