TV mainboard

The utility model discloses a TV mainboard, including main circuit board and tuner circuit board, last TV control circuit and the first interface of being provided with of main circuit board, TV control circuit with an interface connection, an interface connection extremely tuner circuit board. Adopt the utility model discloses, can be based on the different demands to the performance, select different tuner circuit board and main circuit board to assemble, the design cost is practiced thrift in the commonality and the flexibility that improve TV mainboard. Damage or performance when not catching up with the demand when the tuner circuit, only need dismantle tuner circuit board to get off to maintain or change, it is simply convenient, also avoided the risk of discarded monoblock mainboard.