Patent ID: 8278957

Claim:
A circuit board unit for connecting a connecting terminal of a testing apparatus to a connected terminal of a device under test, comprising: a circuit board having, on one surface, a contact corresponding to the connected terminal; and a connector guide provided on the one surface of the circuit board, the connector guide contacting a connector having the connecting terminal and thereafter guiding the connector to the circuit board and pulling the connector towards the circuit board, wherein the circuit board includes either (i) a guide hole for receiving a guide pin of the connector to align the connector on the circuit board or (ii) a guide pin for receiving a guide hole of the connector to align the connector on the circuit board, and the connector guide includes a grooved portion to engage with an engaging pin of the connector, the engaging pin oriented substantially perpendicular to the guide pin, the engaging pin being brought into contact with the grooved portion and the grooved portion thereafter pressing down on the engaging pin due to an applied force acting substantially perpendicular to both the guide pin and the engaging pin.