Optoma HD72 Ballast Replacement

ID: 172082

Description: Use this guide to replace the Ballast on the Op...

Steps:

1. Use a Phillips screwdriver to remove the five 2 mm screws on the underside of the device.

2. Flip the device over and slightly lift the upper case, with care not to strain the two cables.
3. Disconnect the two cables that connect the top case to the motherboard.
4. Lift the upper case up and off.

5. Disconnect all of the cables that are connected to the motherboard.

6. Remove the four 2 mm Phillips screws that secure the motherboard.
7. Lift the motherboard up and out of the chassis.

8. Remove the two 2 mm Phillips screws that secure the power supply.
9. Remove the two 2 mm Phillips screws that secure the ballast to the power supply.
10. Disconnect the bundles of detachable wires from the ballast.
11. Lift the ballast out of the device.