Removing Lamp Ballast And Power Supply - Acer PD721 Service Manual

Removing Lamp Ballast and Power Supply

1. Remove two screws from Lamp
Housing. Unplug one wire to Lamp.
2. Tear of 3M Tape, unplug three wires
and unscrew four screws of Ballast
Bracket to remove Ballast Module.
Power
21
Insulator
Ballast Bracket
Power
Insulator
3M Tape
Lamp Ballast
3. Remove two screws from
Power Socket Bracket and
take off it.
4. Loosen one screw of Power
supply from grounding.
5. Unscrew four hex screws of
Power Supply to remove it.
Lamp Housing
Chapter 3