5-24
D4K25 Service Manual
020-100880-01 Rev. 1 (06-2012)
Section 5: Parts and Module Replacement
5.11 Power Supplies
5.11.1 AC Line Filter
(Estimated Replacement Time: 20 minutes)
The AC Line Filter is located at the front of the projector directly under the IOS. It's accessible from the bottom
of the projector.
1. Using a #2 Phillips
™
, remove the screws securing the cover plate to the bottom of the projector.
2. Disconnect the four harnesses from the AC line filter.
3. Remove the two screws securing the AC line filter to the baseplate.
5.11.2 AC Relay
(Estimated Replacement Time: 30 minutes)
The AC relay is mounted next to the standby power supply.
1. Remove the LVPS/LPS cover. See
5.4.8 LVPS/LPS Cover, on page 5-8.
2. Remove the white plastic cover over the AC relay. Pinch the sides of the cover in slightly to release the top
and bottom tabs and pull out to remove.
3. Disconnect incoming AC (terminals 4 and 8 - brown) from AC relay (2, #2 Phillips screws).
4. Disconnect outgoing AC (terminals 2 and 6 - blue) from AC relay (4, #2 Phillips screws).
5. Disconnect DC from AC relay (terminals 0 and 1).
6. Remove two, #2 Phillips
™
screws securing the AC relay to the LVPS mounting wall.
Figure 5-32 LVPS Compartment
