Abstract: The present invention is a signal extension card socket for aligned wire connector through which the video signals on the LCD screen of small electronic products, such as GBA, PDA and notebook, can be conveyed and displayed easily on various large TV screens or computer monitors through the embedded signal extension card. The present invention for the signal extension card socket includes the base, the clip plate, the aligned wire and wire leads with a fixing part for one end of the aligned wire to plug in. The electric conducting strip with detailed electric conductors is attached on the base piled up with the clip plate. On the rectangle sides of the base are provided with the raised hook for positioning of the clip plate, ensuring a complete output of the video signals from the LCD screens when connecting to the GBA, PDA and notebooks.