| 摘要 |
PURPOSE: A computer is provided to install a speaker to the inside in addition and use the speaker without using a sound-out port, which is basically offered, exposed to the outside of the computer. CONSTITUTION: A case(10) forms an exterior of the computer and various kinds of parts forming the computer are installed to an internal space of the case. A main PCB(Printed Circuit Board, 20) is installed to the inside of the computer, is equipped with a sound function as one body, and is mounted by various devices including a CPU(22). A sound signal connection jumper(30) transfers a sound signal of the sound function in the main PCB by installing to one side of the main PCB. A sound-out port(14) performs the signal connection with an external audio device at the outside of the case by directly connecting to the main body and being exposed to the outside of the case. A speaker(40) converts an electric signal into a sound by additionally connecting to the jumper through a cable(42) and installing to the inside of the case.
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