Service manual

MAINTENANCE : MAINTENANCE PROCEDURES

02.9676.0020 B 29-May-2009 37

Ballast Module Assembly Replacement (continued)

Step 6. At ballast, disconnect the following cable assemblies:

a. Lamp wires

b. AC input

a. Control wiring

Step 7. Pull lamp wires through ferrite core.

Step 8. At bottom of enclosure, remove three 8-32x3/8" PFZ screws and four 8/

32x3/8" PPZ screws which secure ballast module to enclosure.

Step 9. Remove ballast module.

Step 10. Install replacement assembly by performing Steps 2 through 9 in reverse order.

Figure 2-22: Ballast Module Assembly Replacement

700-Watt Ballast

Some components not shown for clarity.

NOTE:

Cable must be routed through Ferrite

Route Lamp to Supply

Cable as shown - same

as original cable

assembly.

Assembly

Back of Display

Lamp Supply to Relay

Cable Assembly