Coppell TV Repair LLC offers you functional main board for Vizio M3D550KD LED TV as illustrated 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, TXCCB02K030002, TXCCB02K0300003, TXCCB02K0010003 and 756TXCCB02K030 – numbers that can be found on white stickers, NOT PRINTED ON THE PCB! If your TV is M3D550KD this board is for it regardless of whether the above numbers can be found. Note the board is based on PCB 715G4404-M04-000-005K (alternatives may also exist), which, depending on the components that are placed on it, is also used for assemblies for other models, such as M3D470KD or M3D550KDE, Those final assemblies ARE NOT COMPATIBLE WITH EACH OTHER! THIS BOARD WILL ONLY WORK PROPERLY IN VIZIO M3D550KD! COMMON FAILURE PROBLEMS 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. REPAIR SERVICES OFFERED At the time of creation of this listing we do offer repair service for this board. 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). 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.
