Removal Of The Drct Off Pcb Assy - Mitsubishi Electric XD8100U Service Manual

18.Removal of the DRCT OFF PCB
ASSY
1. Remove the top cover ASSY according to "1. Removal of
the lens ASSY, zoom, focus motor ASSY".
2. Remove the CW cover unit according to "2. Removal of
the color wheel ASSY".
3. Remove the fi lter cover unit according to "3. Removal of
the ACF SENSOR PCB ASSY".
4. Remove the top case ASSY according to "4. Removal of
the exhaust fan (front)".
5. Remove the main top shield according to "5. Removal of
the lamp fan 1".
6. Remove the terminal ASSY according to "12. Removal of
the KEY PCB ASSY".
7. Remove the main terminal ASSY according to "13. Re-
moval of the main terminal ASSY".
8. Remove the FORMATTER PCB ASSY according to "17.
Removal of the FORMATTER PCB ASSY".
9. Remove the fi ve screws (a) and main shield bottom as
shown in Fig. 3-14.
10. Remove the two screws (b) as shown in Fig. 3-14.
11. Disconnect all connectors on the DRCT OFF PCB ASSY
and remove the DRCT OFF PCB ASSY and holder pow-
er off as shown in Fig. 3-14.
19.Removal of the DMD fan
1. Remove the top cover ASSY according to "1. Removal of
the lens ASSY, zoom, focus motor ASSY".
2. Remove the CW cover unit according to "2. Removal of
the color wheel ASSY".
3. Remove the fi lter cover unit according to "3. Removal of
the ACF SENSOR PCB ASSY".
4. Remove the top case ASSY according to "4. Removal of
the exhaust fan (front)".
5. Remove the main top shield according to "5. Removal of
the lamp fan 1".
6. Remove the MOTOR PCB ASSY according to "7. Re-
moval of the MOTOR PCB ASSY".
7. Remove the terminal ASSY according to "12. Removal of
the KEY PCB ASSY".
8. Remove the main terminal ASSY according to "13. Re-
moval of the main terminal ASSY".
9. Remove the FORMATTER PCB ASSY according to "17.
Removal of the FORMATTER PCB ASSY".
10. Remove the main shield bottom according to "18. Re-
moval of the DRCT OFF PCB ASSY".
11. Remove the three screws (a) and HP duct T as shown in
Fig. 3-15.
12. Remove the DMD fan as shown in Fig. 3-15.
a
x5
b
- 31 -
Main shield bottom
x2
DRCT OFF PCB ASSY
Holder power off
Fig. 3-14
a
x3
HP duct T
DMD fan
Fig. 3-15