EH-TW3500/4500/5500 Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 78 Revision A
3.3.9.1 Focus Ring/Zoom Ring
1. Remove the Lamp. (p.55)
2. Remove the Side Cover L/Side Cover R. (p.57)
3. Remove the Upper Case (assembly). (p.59)
4. Remove the MA Board (assembly). (p.68)
5. Remove the DR Board (EH-TW4500/5500 series only). (p.73)
6. Remove the Optical Engine (assembly). (p.75)
7. Remove the three screws that secure the Zoom Ring.
7. Remove the three screws and remove the Focus Ring.
8. Remove the Zoom Ring.
Figure 3-27.
Standard Operation Time 16 Min.
Focus Ring
Optical Engine
(assembly)
Zoom Ring
C.P.B-TITE SCREW,1.7X4,F/NI
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