Philips Vari-lite VL3500 Wash FX Luminaries, Service Manual

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M
AINTENANCE
P
ROCEDURES
: P
AN
EOT S
ENSOR
R
EPLACEMENT
0 2 . 9 6 8 6 . 0 0 1 0 A 43
2
Pan EOT Sensor Replacement
Parts:
23.9678.0687
Repair Procedure
Step 1. Disconnect luminaire AC input cable from power source. Place the luminaire on the upper
enclosure.
CAUTION: During the next step, do allow the front lens to contact anything that could damage the
lens coating.
Step 2. To provide access to the ventilation cover, set the luminaire on the front lens casting.
Step 3. At bottom of the enclosure, remove four 1/4-20 x 1-5/8" socket screws and 1/4" split lock
washers. Remove the ventilation cover.
Step 4. As shown in Figure 2-15 , at the pan sensor, remove two 6-32 x 3/8" PPZ screws.
Step 5. Disconnect wiring from the encoder PCB and remove the sensor.
Step 6. Replace sensor by performing steps 3 through 5 in reverse order.