PRG Bad Boy Field Service Manual - Manual (Page 67)

BAD BOY ® SPOT LUMINAIRE FIELD SERVICE MANUAL 59
Replacing a Zoom Sensor PCB
The Zoom Assembly contains four Zoom Sensor PCBs (one for each Zoom Lens Group). This procedure provides
instructions for changing any one of the four sensors.
Note that two (2) Zoom Sensor PCBs are located on the top side of the Head Assembly (under the R1 cover) and two
(2) Zoom Sensor PCBs are located on the bottom side of the Head Assembly (under the R2 cover).
Parts:
24.9812.0510 4 EA 24.9812.0510
Tools:
#2 Philips screwdriver
#1 Right-angle Philips screwdriver or #1 Philips screwdriver, as required
WARNING: Remove power from luminaire before performing any maintenance procedures.
CAUTION: Always use anti-static precautions when working with PCBs.
CAUTION: NEVER adjust the brass spring-loaded standoff. It is set at the factory.
To replace a Zoom Sensor:
Step 1. Remove power from luminaire and allow components to cool for at least 5 minutes.
Step 2. To remove Zoom Sensors 1 or 3:
a. Remove R1 Head Cover. (Refer to "Removing the Head Covers" on page 30.)
b. At required Zoom Sensor, disconnect cable from header (Figure 3-25).
c. Remove Zoom Sensor by removing two 2-56 x 1/4" PPZ screws.
Step 3. To remove Zoom Sensor 2:
a. Remove R2/Designer Wheel Head Cover. (Refer to "Removing the Head Covers" on page 30.)
b. At Zoom Controller PCB, remove four 4-40 x 1/4" PPB screws. (The PCB will still be connected by
wiring.) Move Zoom Controller PCB to the side in order to access Zoom Sensor 2 as shown in Figure 3-
26.
c. At Zoom Sensor, disconnect cable from header (Figure 3-26).
d. Remove Zoom Sensor by removing two 2-56 x 1/4" PPZ screws.
Step 4. To remove Zoom Sensor 4:
a. Remove R2/Designer Wheel Head Cover. (Refer to "Removing the Head Covers" on page 30.)
b. At Zoom Sensor, disconnect cable from header (Figure 3-26).
c. Remove Zoom Sensor by removing two 2-56 x 1/4" PPZ screws.
Step 5. Replace a Zoom Sensor by doing steps in reverse.