Chapter 2---System Description
2.3.2 Power Supplies
The Model 200 includes three power supply assemblies.
•Low Voltage Power Supply
•Arc Lamp Power Supply
•High Voltage Power Supply
Low Voltage Power Supply (LVPS)
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| P76 | |
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| LV Ret |
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| /LV_ENA |
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AC | 1 |
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| Line | /LV_OK |
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| +24v Fans |
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INPUT 3 |
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| Earth | +5.1v STBY |
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| Neutral | +5.1v |
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| +6.2v |
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| +15V |
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| +80V |
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| /COVER_ON |
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| /FAN_ENA |
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Figure 2-3. LVPS Input/Output Diagram
Main Functions:
•Provide all the low voltages needed by the projector.
•Provide standby power when the projector is OFF.
•Provide power for all cooling fans.
Inputs:
The Low Voltage Power Supply receives AC input power directly from the power source. The input range is from 100 VAC to 240 VAC, at 50 or 60 Hz.
/LV_ENA: Enabling signal from the System Controller Enables the LVPS when the System Controller receives a Power On command.
/FAN_ENA: From System Controller. Enables the +24v standby voltage for the projector fans.
/COVER_ON: Cover interlock signal. Indicates both covers in place. Enables the
Outputs:
+5.1VDC Main
+5.1VDC Standby
+6.2VDC
± 15VDC
Model 200 Service Manual |
