Question about Vizio 70-inch LED Smart TV M701D-A3R 3D Razor HDTV bundle with SB4021E-B0 2.1 Sound Bar and 3D Glasses
When i turn on my tv i can hear whats on the tv but theres no picture
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.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board . 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.
Posted on May 07, 2016
Your LED backlights have failed, it's not a board or component issue. You can order replacement lamp strips from shopjimmy.com, view a few youtube vids on some points on how to replace them, anyone can do it, but it takes some patience and caution when handling the panel. Good luck
Posted on Sep 07, 2021
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