| 摘要 |
PURPOSE: A computer power self diagnosis apparatus is provided to enable a user to confirm a power unit error by turning on an LED(Light Emitting Diode) lamp during a computer power unit error. CONSTITUTION: A power supply unit(100) controls the supply of power to a plurality of computer power sources. A power error determination unit(200) determines the computer power error which is provided from the power supply unit. A LED display unit(300) includes an LED lamp which turns on or turns off according to the determination result. The power error determination unit includes an operation power range comparing unit and a current applying unit.
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