Patent ID: 7940339

Claim:
A television, comprising: a cathode-ray tube displaying a visible image on the screen; a speaker outputting audio; an earphone plug socket outputting an audio signal; a main board that receives a television broadcasting to display the visible image on the cathode-ray tube and output the audio through the speaker with the earphone plug socket mounted on with the plug-in inlet facing the outer periphery; and a plastic cabinet that contains the cathode-ray tube, the speaker and the main board and on the front side of which a hole for exposing the plug-in inlet of the earphone plug socket; the main board, including: a retaining member of a T shape that is formed at marginal space on the main board where no wiring pattern is made and is formed by being cut off from the main board after the main board is formed; a slit where a projected part of the retaining member is inserted into and which is formed at the location where a side edge of an extending portion of the retaining member is to be adjacent to back of the earphone plug socket; and a groove that is longitudinally formed on the back surface of the earphone plug socket is engaged with the side edge; a length of the projected part is longer than a thickness of the main board and a width dimension is sufficiently long to press-fit into the slit; the hole is formed of larger dimension than the plug-in inlet and smaller than the outer shape of the earphone plug socket; and the projected part is press-fitted into the slit and fixed and secured by dip soldering.