EH-TW3500/4500/5500 Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 91 Revision A
3.3.14 TH Board (2)
1. Remove the Air Filter Assembly. (p.54)
2. Remove the Lamp. (p.55)
3. Remove the Upper Case (assembly). (p.59)
4. Remove the MA Board (assembly). (p.68)
5. Remove the EX Fan (assembly). (p.65)
6. Remove the DR Board (EH-TW4500/5500 series only). (p.73)
7. Remove the Optical Engine (assembly). (p.75)
8. Remove the Lamp Fan. (p.83)
9. Remove the PS Fan. (p.67)
10. Remove the Inner EX Duct. (p.90)
11. Remove the screw and remove the TH Board (2).
12. Remove the Cable TH from the TH Board (2).
Figure 3-38.
Standard Operation Time 19 Min.
TH Board (2)
Inner EX Duct
Cable TH
C.C.P-TITE SCREW,3X8,F/ZN-3C