Servicing The Ac Inlet Module; Removing The Laser Driver Card Cage - Christie 4K40-RGB Series Service Manual

4. Disconnect the three AC breaker inline harnesses (MAIN/UPS connected to the 12V power
supply, 48V power supply harness, and AC inlet).
5. Replace the AC breaker.
6. To re-install, follow these steps in reverse order.
Hi-Pot testing must be performed after removing and replacing the AC breaker.

Servicing the AC inlet module

1. Remove the top cover (on page 33).
2. Remove the rear cover (on page 33).
3. Remove the side-intake cover (on page 35).
4. Disconnect the inline harness connector from the 25A AC circuit breaker .
5. Uninstall the ground harness end.
6. Remove the four screws securing the entire module to the projector frame.
7. Replace the AC inlet.
8. To re-install, follow these steps in reverse order.
When reconnecting the ground harness, ensure the harness is tightened to 25 in-lb.

Removing the laser driver card cage

1. Remove the radiator intake fans (on page 47).
2. Disconnect the harness connectors J113, J111, J71, J70, J88, J128, and E panel harness (fan
#21-24).
4K40-RGB Series Service Guide–D4K40-RGB, Roadie 4K40-RGB, Mirage 4K40-RGB
020-102960-02 Rev. 1 (12-2019)
Copyright 2019 Christie Digital Systems USA, Inc. All rights reserved.
©
Electronics
58