Prg Best Boy Field Service Manual Manual de usuario Pagina 59

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BEST BOY 4000
®
SPOT LUMINAIRE FIELD SERVICE MANUAL 51
Replacing Head Controller PCB
Parts:
24.9816.0640 / 2.3749A-P50 1 EA PCB ASSY, HEAD MOTOR AND FAN DRIVER
Tools & Supplies:
#2 Phillips screwdriver
WARNING: Remove power from luminaire before performing any maintenance procedures.
CAUTION: Always use anti-static precautions when working with PCBs.
To replace the Head Controller PCB:
Step 1. Remove power from luminaire.
Step 2. Remove both Head Covers. (Refer to "Removing Head Covers" on page 24.)
Step 3. Remove Head Fan and Bracket Assembly. (Refer to "Replacing Head Fan" on page 45.)
Step 4. At Head Controller PCB, disconnect all cables (Figure 3-25).
Figure 3-25: Head Controller PCB Cable Connections
DC PWR
J27
HEAD
FAN
J16
YOKE
RLY
J17
HOT
FAN
J7
HEAD
TEMP
J6
EXT
FANS
J18
BACK
BEST BOY HEAD CONTROLLER
24-9816-0640 REV
WHEEL
J26
GAG
INDEX
J25
GAG
ZOOM
3
J5
ZOOM
J5
1
ZOOM
2
J23
EOT
J24
GAG
G1
ZOOM
G3
ZOOM
G2
ZOOM
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