EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 75 Revision A
3.3.6.3 Optical Engine and MAB Set
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 RCR Board. (p.73)
8. Remove the EIF Board. (p.74)
9. Remove the following parts from the Optical Engine and MAB Set.
• Shield Plate 7140
• MA Shield Plate O (x2)
• EMI Sheet F (x3)
• MA Insulation Sheet
• EMI Sheet (x2)
• Gasket 2-10-20
• MA Shield Plate B
10. Remove the four screws ( ).
Figure 3-15.
Standard Operation Time 21 Min.
This part is designated as the Safety Device. When removing/
replacing the part for repair, be sure to refer to “3.4 Safety Check
after Servicing (p.113)”. According to the instructions in it,
handle the part and perform the procedure after servicing.
Shield Plate 7140
MA Shield Plate O
EMI Sheet F
MA Insulation
Sheet
C.C.SCREW,3X4,F/ZN-3C
EMI Sheet F
EMI Sheet
Gasket 2-10-20
MA Shield Plate B
Optical Engine and
MAB Set
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