High End Systems DL1 - Manual (Page 67)

DL.1 User Manual General Maintenance and Troubleshooting 5-7
5
Replacing 2-Phase Board
To replace the 2-phase driver board:
1. Disconnect power to the fixture and allow it
to cool.
2. Unlatch the two rear latches and remove the
rear bezel.
Figure 5-5-1 shows the location of the rear
latches and rear bezel.
3. Use a 3 mm allen wrench to remove the
addressing screws and star washers.
4. Position new board against module aligning
the center top standoff. Place contact screw(s) in the appropriate position.
Note: When installing a replacement driver board on a module, always place a
star washer between an address screw and the pad on the logic board to
ensure good electrical contact.
5. Carefully replace the rear bezel, making sure to place (but do not force) the
gasket (shown in Figure 5-5-6) over the lamp cover located on the back of the
projector.
Replacing 3-Phase Board
To replace the 3-phase driver board:
1. Disconnect power to the fixture.
If the fixture has been operating,
allow the fixture to cool before
handling.
2. Facing the menu display with the
fixture upright, remove the six
M4 socket cap screws from the
left end bracket as shown in
Figure 5-5-7.
3. Slide the side assembly out of the topbox. The CPU board is on the base and two
3-phase boards are on either side of the assembly.
4. Use a 3 mm allen wrench to remove the addressing screws and star washers, (see
Figure 5-8 on page 5-10 for addressing screw location.
5. Position the new board against module aligning the center top standoff. Place
contact screw(s) in the appropriate position.
Note: When installing a replacement driver board on a module, always place a
star washer between an address screw and the pad on the logic board to
ensure good electrical contact.
Gasket
Figure 5-6 DL.1 Rear Gasket
Figure 5-7 Accessing CPU and 3-phase boards.
M4 socket
cap
screws