Tv has sound and no picture
My TV screen went black but sound still plays. Geek Squad came out and said they would replace either the power supply or the main board. Most reviews I was able to find, said these proposed solutions did not fix their problem. Thanks for the help.
Televison & Video - Vizio - VIZIO M601d A3R 60 Inch 1080p Smart
Answers & Comments
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.