M
AINTENANCE
P
ROCEDURES
: M
AIN
C
ONTROL
B
OARD
(MCB) PCB R
EPLACEMENT
0 2 . 9 6 7 8 . 0 0 1 0 G
27
2
Main Control Board (MCB) PCB Replacement
VL Part No: 24.9678.3730
Repair/Replacement 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 6-32x3/8" PTB screws.
CAUTION:
Always use anti-static precautions when working with PCBs.
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.
Figure 2-9: VL3000 Main Control Board Replacement
ESD
Main Controller Board
Yoke Leg Cover
Summary of Contents for VL3000
Page 1: ......
Page 13: ...FOREWORD 02 9678 0010 G xi ...
Page 14: ...VARI LITE VL3000 VL3000 Q SERVICE MANUAL xii 02 9678 0010 G ...
Page 74: ...VARI LITE VL3000 VL3000 Q SERVICE MANUAL 56 02 9678 0010 G Notes ...
Page 158: ...VARI LITE VL3000 VL3000 Q SERVICE MANUAL 140 02 9678 0010 G Notes ...
Page 164: ...VARI LITE VL3000 VL3000 Q SERVICE MANUAL 146 02 9678 0010 G Notes ...
Page 216: ...VARI LITE VL3000 VL3000 Q SERVICE MANUAL 198 02 9678 0010 G Notes ...
Page 217: ......