EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 78 Revision A
3.3.8 Optical Engine (assembly)
1. Remove the Air Filter. (p.64)
2. Remove the Lamp. (p.64)
3. Remove the Rear Case. (p.66)
4. Remove the Front Case. (p.67)
5. Remove the Upper Case. (p.68)
6. Remove the MA Board (assembly). (p.70)
7. Remove the Lens Shutter. (p.77)
8. Remove the six screws ( )( ), and remove the Optical Engine (assembly).
9. Remove the screw ( ), and remove the GND Cable from the Optical Engine
(assembly).
10. Remove the LVTH Fasten Sheet and the LV Thermistor from the Optical Engine
(assembly).
Figure 3-18.
Standard Operation Time 18 Min.
This part is designated as the Safety Device. When removing/
replacing the part for repair, be sure to refer to ā3.4 Safety Check
after Servicing (p.113)ā. According to the instructions in it,
handle the part and perform the procedure after servicing.
GND Cable
Optical Engine
(assembly)
C.B.P-TITE SCREW,3X12,F/ZN-3C
C.B.P-TITE SCREW,3X10,F/ZB-3C
C.C.SCREW,3X4,F/ZN-3C
LVTH Fasten Sheet
LV Thermistor