Replacing The 500W Power Supply - Christie Crimson Series Service Manual

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3. Disconnect the J30 (system interface) and J32 (CLB interface) harnesses from the back of the

user interface module.

4. Replace the user interface module, if required.

5. To re-install, repeat these steps in reverse order.

Make sure to position the user interface module on the locating pins.

Replacing the 500W power supply

The 500W power supply module provides the required voltages for operating the electronics in the

projector.

Before servicing, always carefully observe the original lead dress. Take extra precautions to secure all

harnessing properly, especially in the high voltage circuitry areas. Replace any wire that appears to

have damaged insulation.

1. Remove the rear cover (on page 42).

2. Remove the rear fan exhaust assembly: Crimson/Mirage 25 (on page 53) or Crimson 31 (on

page 54).

3. Disconnect the low voltage power supply (LVPS) harness (A).

4. Disconnect the four 12V power cables (B).

5. Disconnect the power inline harness connector (C).

The -12V return cables connect to the top terminal and the +12V cables connect to the bottom

terminal.

Crimson Service Guide–Crimson HD25, Crimson WU25, Crimson HD31, Crimson WU31, Mirage HD25, Mirage WU25

020-102733-02 Rev. 1 (01-2020)

Electronics

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