Patent ID: 7780458

Claim:
A cable plug assembly comprising: a cable having a plurality of signal lines; a plug portion connectable to a connection target; a circuit board, a first end portion of the circuit board being provided with a plurality of connection portions that are respectively connectable by soldering to the signal lines of the cable, and a second end portion of the circuit board being connectable to the plug portion; and a holder for removably holding the circuit board, the holder including a holder main body of a substantially U-shape in plan view, wherein the holder main body has a pair of board holding portions and a signal line holding portion, the signal line holding portion being interposed between first lengthwise end portions of the pair of board holding portions, the holder main body further has a placing portion, the placing portion extending from the signal line holding portion in an opposite direction of the pair of board holding portions, inner surfaces of the pair of board holding portions are provided with a pair of board guide grooves for movably guiding opposite widthwise end portions of the circuit board toward the signal line holding portion, the signal line holding portion faces said first end portion of the circuit board when guided by the board guide grooves, and the signal line holding portion is provided with a plurality of signal line guide grooves for positioning and fixing the signal lines with respect to the connection portions of the circuit board, and the placing portion is provided with an adhesive adhering to the placing portion and the plurality of signal lines which allows the signal lines, guided by the signal line guide grooves, to be adhered to the placing portion.