Top Cover - Ricoh Sirius-PJ1 Field Service Manual

1. Remove the Filter cover [A].
2. Remove the Filters.
[A] : Air filter A
[B] : Filter holder
[C] : Air filter B
• When installing filter [A] in the holder, align the notch of the filter with the projection on the holder.

Top Cover

• Before removing the top cover, make sure to remove the lamp unit. (Failure to do so may cause a
problem to occur when reassembling the projector.)
• The PCB KEY-PAD [A] and the PCB EX [B] attached to the TOP COVER are connected through a
cable. Therefore, removing the top cover should be done with utmost care.
1. Remove the Lamp unit ( p.29).
Parts Replacement
31