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Lamp cover Switch
When the lamp covers are not fixed securely, the projector can not turn on because of one of the detection switches
is turned off.
- Lamp Cover Switch (SW902, SW905)
LED controls
The LED drive signals are output from pins 10 to 18 of IC4802<I/O EXPANDER>. The drive signal for the POWER LED
is output from pin 211 of IC801<CPU> as "POWER_SW_CPU" and applied to LED through the IC5825<BUFFER>.
Chassis Description & Troubleshooting
Fig.7-2
SW902
SW905
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