Here is the picture to an Analogue to Digital [A/D] board of an LCD monitor. The appearance might be different to set to set, model to model. But the basic function to all are the same. No technical skill required to perform A/D board replacement. Must have are patience and concentration. Locate the board inside your TV. Note all the wirings to it. If you are not a technician, it will be best to mark all connections by any means, so that you can reconnect it later.
This is the picture of A/D board for Samsung LCD TVs.
This is the picture of A/D board to Viewsonic LCD tv.
