Backplane Pcb - Christie D4K35 Service Manual

5.9.2 Backplane PCB

The Backplane PCB is located at the back of the cardcage. The PIB3G and ICP boards are connected directly
to the Backplane board.
(Estimated Replacement Time: 55 minutes)
1. Remove the front top lid. Refer to
2. Remove PIB3G/ICP Cover. Refer to
Cover
3. Remove the high security lid. Refer to
Lid.
4. Remove the security ring by pressing down on the latch
located on the side of the cardcage. (Figure 5-32 Remove
Security Ring)
5. Remove the blank faceplate, PIB3G and ICP PCBs from
the Backplane.
6. Remove the hex driver holder plates from the top of the
cardcage assembly. (Figure 5-34)
7. Disconnect the LEQD board from the Backplane. (
5-38 Remove LEQD, on page 5-25
8. Disconnect all eight harnesses from the Backplane.
9. Disconnect the two top cardcage fans from the inline connectors. NOTE: Two additional fans can be
added to the top of the cardcage. If these optional fans are used in your projector, remove them also.
10. Loosen the thumbscrew securing the front side of the cardcage to the baseplate.
11. Pull up on the cardcage and remove.
12. Using a #1 Phillips
13. Slide the Backplane out of the cardcage.
14. When installing, repeat the above instructions in reverse.
D4K35 Service Manual
020-100817-01 Rev. 1 (04-2012)
5.4.2 Front Top
5.4.10 PIB3G/ICP
5.4.3 High Security
)
, remove the 15 screws securing the Backplane to the cardcage. (Figure 5-35)
™
Figure 5-35 Cardcage with Backplan
Section 5: Parts and Module Replacement
Lid.
Figure 5-34 Tool Holder
Figure
5-23