TESTED & GUARANTEED TO WORK! Vizio Main Board 844C, 0175CAR1G100, 1P-0216C00-4010 for M75QXM-K03. Compatible Models: Vizio M75QXM-K03. Key Features & Benefits:? Genuine OEM Vizio Main Board? Controls video, audio, HDMI, and smart functions? Plug-and-play – no programming needed? Fully tested and in working condition. ? What’s Included: 1x Main Board (844C / 0175CAR1G100 / 1P-0216C00-4010).