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2.15.1 Interlock Switch
This switch is installed on the side of the power supply unit and interlocks with the tab
of the lamp cover. If you turn on the projector with the lamp cover open, the light
source lamp (lamp inner housing) runs and generates the high heat. For replacing the
lamp inner housing you open the cover. For this reason, the switch is installed to
protect you from burn.
Interlock switch
Figure2- 42 Interlock switch
Interlock switch
Figure2- 43
The interlock switch is installed on the AC power source line. Consequently, if the
lamp cover is open, the AC power source is shut off and you can not turn on the
power.
REV.A
2-31
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Troubleshooting
