MOUNTING CIRCUIT DEVICE

PROBLEM TO BE SOLVED: To provide a mounting circuit device capable of mounting and removing only a light source device for replacement. SOLUTION: The mounting circuit device includes a wiring board 10 furnished with through holes 10c for mounting and connecting terminals 10a and 10b and a light source device fitted in the holes 10a and connected with the terminals 10a and 10b, wherein the light source device is composed of an electric bulb device to admit fitting of a baseless electric bulb 5 and having a base 6 for leading out leads 5b and 5c to the outer wall surface and an electric bulb device mounting part provided on the side wall part of the mounting part body 7 where a mounting hole 7a to admit fitting of the base 6 removably is opened and having soldering terminals 9a and 9b abutting slidably to the led-out leads 5b and 5c of the electric bulb device and continued to conductive contacting parts 8a and 8b led out at one end face so that consolidated arrangement is established, and the soldering terminals 9a and 9b of the electric bulb device mounting part are soldered 11 to the terminals 10a and 10b of the wiring board 10. COPYRIGHT: (C)2003,JPO