Service manual

VARI❋LITE® - VL3500™ SPOT LUMINAIRE SERVICE MANUAL
24 02.9678.0018 A
Main Control Board (MCB) Replacement
VL Part No: 24.9678.1730
Repair Procedure
Step 1. Disconnect luminaire AC input cable from power source.
Step 2. Remove board-side yoke leg cover.
Step 3. At MCB, disconnect head wiring and remove screws to daughter board.
a. Remove Standoffs and 2 screws securing MCB.
b. While holding MCB outward, disconnect wiring from upper enclosure and remove
MCB.
Step 4. Install in reverse order.
Figure 2-8: Main Controller Board (MCB) Replacement
Main Controller Board (MCB)
Yoke Leg Cover
(daughter board attached)