OFFER DESCRIPTION – PLEASE READ IN FULL! Coppell TV Repair LLC offers you functional main board for Vizio M3D550KDE LED TV as shown on the picture. The board was serviced and tested by Coppell TV Repair LLC. Upon receiving and installing the board to satisfactory results you can return your old dud subject to the terms and conditions specified in a section below. Vizio uses various part numbers for this board in different batches of their TVs. Those include, but are likely not limited to TXCCB02K0010008, TXCCB02K0300002, TXCCB02K0010003 and 756TXCCB02K030. If your TV is M3D550KDE this board is for it regardless of the number on your board. Note the board is based on PCB 715G4404-M04-000-005 (alternatives may also exist), which many vendors incorrectly list under different models, e. Even though the PCB upon which the final product is the same for different models, the components on it are not and, at least in this case, the main boards for M3D550KD and M3D550KDE are not compatible with each other! While there can clearly be a large number of failures and failure symptoms that probably can’t all be listed, here are the most common ones we’ve seen this board cause that we’ve seen. Image supplied through HDMI ports is black and white. TV responds to power on command, LED lights run at the front bezel, but the screen never lights up or lights up, but with no image. TV starts up and LG splash screen shows up, but freezes there. TV comes up and has image, but the image or audio is garbled. Loss of HDMI ports or loss of audio. We offer repair service for this board. We may also offer components for this board such as the EEPROM, main processor, RAM, HDMI etc. We prove board’s functionality with a video, so if you intend to return the board make sure to sign it with a Sharpe so you can be sure it will be that same board we show you functional (if it is, of course). Once you receive the board and fix your TV you can return the old malfunctioning board to us to receive the advertised credit. 2 Your board must arrive physically intact (not broken, not cracked, no deep cuts, no ripped off components, no moisture damage), with no missing or physically broken components or traces of tampering, all with possible exclusion of damage resulting from electronic failure such as burned components. We ask that along with your board you return the piece of paper that you will receive along with the board that we will send. 4 RIGHT TO WITHDRAW – we reserve the right to refuse to sell for whatever reason.