promethean PRM-30A Service Manual page 21

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Optical Parts Disassembly
b LCD Panel/Prism Ass'y removal
Loosen  screws A and 1 screws B and then pull the Panel/Prism Ass'y upward off.
Note: T he Ceiling Plate should be removed from the cabinet bottom before removing
the LCD Panel/Prism Ass'y.
A
Fig.5-1
IMPORtANt NOtICe on LCd Panel/Prism Ass'y Replacement
L CD panels used for this model can not be replaced separately. Do not disassemble the LCD Panel/Prism Ass'y.
These LCD panels are installed with precision at the factory. When replacing the LCD panel, should be replaced
whole of the LCD panels and prism ass'y at once.
When replacing the LCD Panel/Prism ass'y, take the optical and electrical adjustments following to the chapter
"Adjustment".
LCD Panel/Prism Ass'y
B
Ceiling Plate
(M5x16)x4
-1-

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