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2.15.3 Lamp House Thermistor
This is the temperature detection thermistor installed on the lamp outer housing (near
the safety switch). To protect the circumstances around the light source lamp from the
overheat of the lamp, this thermistor shuts off the power regulation on the power
supply unit, if the temperature rises to certain degrees (lower than safety switch's
level).
Lamp Thermister
Figure2- 45 Lamp thermistor
The lamp house thermistor is connected to CN 651 on the CD10MA board. When it
becomes the overheat condition, to main CPU it output the interrupt signal and shuts
off the power regulation on the power supply unit via CN 600.
REV.A
2-33
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Troubleshooting
