Main Control Board (Mcb) Replacement - Philips VL3500 WASH Service Manual

2
M P : M C B (MCB) R
AINTENANCE ROCEDURES AIN ONTROL OARD EPLACEMENT

Main Control Board (MCB) Replacement

24.9686.1429
Parts:
Repair Procedure
Step 1. Disconnect luminaire AC input cable from power source.
Note: To determine which yoke leg is which without having to remove the covers, rotate yoke
counterclockwise until it stops, then look at the luminaire while facing the input panel. The tilt-side leg
is the leg to the left; the board-side leg is the leg to the right.
Step 2. At board-side leg, remove yoke leg cover by removing four 6-32 x 5/16" screws.
CAUTION: Always use anti-static precautions when working with PCBs.
ESD
Note: Please note placement of cable tie to saddle and cut tie.
Step 3. Disconnect wiring harness connectors J8, J9, J10 and J11.
Step 4. Remove four (4) 6-32 screws securing MCB PCB
Step 5. Disconnect upper enclosure connectors J1, J2, J3, J4 and J12 at back of MCB.
Step 6. Install replacement assembly by performing Steps 2-5 in reverse order.
Step 7. Configure using menu functions as necessary.
Yoke Leg Cover
Main Control Board (MCB)
Figure 2-11: Main Controller Board (MCB) Replacement
02.96 86.001 0 A 37