Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: MAG 3200 Lcd TV I
Normally T-Con board have nothing to do with powering up of TV. It's only affecting image when TV is on. So we can discard T-Con as a suspect for now.
Remove "new" main board and install the old one. If TV powering up and back light comes on - you've purchased defective Main Board and you should return it for exchange or refund. It happens all the time, boards that they sell most of the time are refurbished and sometime nothing was done and they send defective board to the other customer by error.
In case that TV is not powering up even with the old main board - look for something that you have done during replacement (like forgotten or overlooked connection, broken/bended pins etc.).
Posted on Aug 28, 2010
You should also replace the cable that connects the main board with the control button.
Also replace the control button main board(a motherboard with all the buttons)
For example look here. It should look like this http://www.interliquidparts.com/wp-content/uploads/wpsc/product_images/IMG_6420.JPG
finally replace the ribbon that connects it to the main =board since these are the only important things that could still cause the problem you have.
Please rate if this helped you.
Posted on Apr 19, 2011
SOURCE: My Vizio 55XVT1A power on, has sound, but no picture. I changed new power board, main board, T-cond board, but it still same problem. What's wrong with it? Is it anything with inverter board? Than
If this is an LCD tv the backlight inverter is bad, a good way to check it is to shine a flashlight close to the screen and see if you can see a faint picture.
Let me know what you find
Posted on Feb 19, 2012
You will get a white screen when you unplug the t-con from the main board. Doing so removes power to the LCD panel. Verify that all of your voltages from the power supply are correct. If they are, I'd look at the t-con board. It sounds like there is a problem with the t-con that is pulling down the main board.
Posted on May 11, 2012
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