Removal Of The Power Pcb Assy - Mitsubishi Electric XD8100U Service Manual

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20.Removal of the POWER 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 main shield bottom according to "18. Re-
moval of the DRCT OFF PCB ASSY".
10. Disconnect the two connectors (CN1) on the lamp power
unit and Remove the lamp power duct as shown in Fig.
3-16.
11. Remove the trigger holder as shown in Fig. 3-16.
12. Disconnect all connectors on the lamp power unit and
POWER PCB ASSY.
13. Remove the four screws (a) and power shield ASSY as
shown in Fig. 3-16.
14. Remove the two screws (b) and two hooks (c)as shown
in Fig. 3-16.
15. Remove the POWER PCB ASSY as shown in Fig. 3-16.
21.Removal of the lamp power unit
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 main shield bottom according to "18. Re-
moval of the DRCT OFF PCB ASSY".
10. Remove the power shield ASSY according to "20. Re-
moval of the POWER PCB ASSY".
11. Remove the four hooks (d) (e) and lamp power unit as
shown in Fig. 3-16.
POWER PCB ASSY
b
x
2
Trigger holder
a
x
4
- 32 -
Lamp power duct
Lamp power unit
CN1
d
x
4
e
x
4
c
x
2
Power shield
ASSY
Fig. 3-16

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