To provide a game machine which enables the execution of inspection work periodically without delay while allowing the internal inspection of a casing handily and accurately.

A camera 30 is provided inside the casing 2 of the game machine 1 and at least an image of one specified part is taken out of a circuit board 18, a plurality of electronic components and a connection wire 25 to output the image information. The camera 30 takes the image of the specified part at the closing of the power source of the game machine 1. A lighting device 31 for irradiating the specified part may be provided inside the casing 2. The image of the specified part may be displayed on a display panel 10 with a display control part 18k based on the image information outputted from the camera 30.