A TV receiving module and a display apparatus and a TV receiving system using the same, wherein the TV receiving module is small in size and is detachably mounted outside or inside of the display apparatus. The TV receiving module is adapted to select and receive a TV signal of a desired broadcast from among TV signals inputted from a TV broadcast receiving antenna or cable, and provide the received TV signal. A detachable connector unit includes a first connector installed in the TV receiving module for receiving external power and an external control signal and providing the TV signal received by the TV receiving module externally, and a second connector detachably coupled with the first connector. The display apparatus is connected to the TV receiving module via the second connector of the detachable connector unit to provide the external power and external control signal to the TV receiving module, receive the TV signal from the TV receiving module and output video and audio signals of the received TV signal. The display apparatus may be an LCD monitor or a PDP TV receiver.