M-tronicz TV Repair is offering this REPAIR SERVICE for the VIZIO Power Supply Boards. MAIN FUSE IS OK. This is a flat rate testing and repair service, we will attempt to repair any problem with the board within that price as long as the board we receive meets our requirements. The board we receive must be physically intact and must have not been tampered with or serviced before. Customer is responsible for S&H costs to our facility. 2 In case we find a working board because a wrong diagnostic from you. This charge will cover our administrative time. Testing the board can take quite a bit of time and effort. (example: Board hit by a Lightning or Power Surge).