VARI
❋
LITE
®
- VL3000™ & VL3000™Q S
ERVICE
M
ANUAL
2 8
0 2 . 9 6 7 8 . 0 0 1 0 G
Motor Driver IC Replacement for Socketed MCBs
VL Part No: 85.3773.0002
Repair/Replacement Procedure
Note:
To improve reliability, Vari-Lite has introduced main control boards (MCB) with the motor
drivers mounted directly on the board. Drivers cannot be replaced on these boards. For boards with
sockets, to remove a motor driver IC, you will need a Static-Dissipative PLCC Extractor tool. This tool
is available from Stanley Supply & Services (part number: 126-453).
Step
1. Disconnect luminaire AC input cable from power source.
CAUTION:
Always use anti-static precautions when working with PCBs.
Step
2. Remove Main Control Board PCB following procedure on
.
Step
3. Remove heatsink from Main Control Board PCB. If thermal compound is used, remove and
replace with thermal pad (Vari-Lite part number: 10.9678.0885, Thermal Transfer Kit)
Step
4. Using C.K. PLCC extractor tool (see above), replace required stepper motor driver (loca-
tions: U27-U30, U32-U44).
Step
5. Reinstall Main Control Board PCB performing Steps 2-6 in reverse order from
Figure 2-10: VL3000 Series Motor Drivers on Main Control Board
ESD
Stepper Motor Drivers (locations: U27-U30, U32-U44)
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 ...
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