Housekeeping Board (Hkbb) For Cp4415-Rgb And Cp4420-Rgb - Christie CineLife+ CP4415-RGB Service Manual

Housekeeping board (HKBB) for CP4415-RGB
and CP4420-RGB
The housekeeping board (HKBB) acts as an interface board with the majority of the control devices
feeding into it, including fans, power supply input, shutter, IR receivers, and so on.
1. Remove the top cover (on page 44).
2. Loosen the two screws securing the housekeeping bracket and remove the bracket.
3. Disconnect the 11 harnesses from the housekeeping board.
The harnesses to disconnect: J30 (Core5 power and communication), J81, J85, J87, J89, J101,
J103, J105, J110, J112 (12V input), and J129. Check the interconnect.
4. Loosen the two screws securing the housekeeping board tray to the projector, then remove the
tray.
5. Remove the screws securing the housekeeping board.
CineLife+ 4K-RGB Service Guide–CP4415-RGB, CP4420-RGB, CP4425-RGB, CP4435-RGB
020-103257-02 Rev. 1 (08-2022)
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If printed, please recycle this document after use.
Printed circuit boards and sensors
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