Replacing A Zoom Sensor Pcb - PRG BAD Boy Field Service Manual

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
Tools and Supplies:
#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
b. At required Zoom Sensor, disconnect cable from header
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
b. At Zoom Controller PCB, remove four 4-40 x 1/4" PPB screws. (The PCB will still be
c. At Zoom Sensor, disconnect cable from header
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
b. At Zoom Sensor, disconnect cable from header
c. Remove Zoom Sensor by removing two 2-56 x 1/4" PPZ screws.
0 2. 9 8 1 2. 0 0 05
4 EA 24.9812.0510
page 26.)
connected by wiring.) Move Zoom Controller PCB to the side in order to access Zoom
Sensor 2 as shown in Figure
page 26.)
M : R
AINTENANCE EMOVE AND
"Removing the Head Covers"
3-25.
(Figure
(Figure
R P
EPLACE ROCEDURES
on page 26.)
(Figure 3-24).
"Removing the Head Covers"
3-25).
"Removing the Head Covers"
3-25).
3
on
on
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