Epson NX User Manual - Page 20
Power Supply, Power Supply
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System Description Power Supply The computer has a 145-watt power supply with switch-selectable AC input voltage. The power supply is a totally self-contained module that connects PS1 and PS2 to the main circuit board via a 12 pin connector (CN13). In addition to the normal power supply circuitry, the module also includes the following components: Power on/off switch D 115/23OV input select switch cl AC input connector for detachable power cord cl Cooling fan. All minimum load requirements for the power supply are met by the standard configuration of the main circuit board. To prevent damage from excessive temperature inside the computer, the power supply includes sensors and a detection circuit that shuts down the power supply when an excessive operating temperature is detected. To restart the computer, you must identify and correct the problem that caused the system to overheat (such as a blocked fan), turn off the power switch, wait at least thirty seconds, and turn the power back on. The power supply is shown in Figure l-7. Specifications are given in Table 1-12. Power-on/off switch Fan Voltage switch / Power inlet Figure 1-7 Power Supply Epson NX Service Manual 1-13