M
AINTENANCE
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39
Low Voltage Supply (LVS) Replacement
Parts:
69.3178.0121
1 EA
POWER SUPPLY, 120W, 24VDC
Tools:
•
#2 Phillips Screwdriver
WARNING:
Remove power from luminaire before performing maintenance.
WARNING:
With power applied, LIVE AC is present at heatsink. Do not touch when unit
is powered.
To remove and replace LVS:
Step
1. Remove power from luminaire.
Step
2. Remove yoke arm cover opposite display side by removing four 6-32x3/8" PTB
screws.
Figure 17: LVS Replacement
Step
3. Disconnect the following wiring connections:
a.
3-position connector (AC Input)
b. 6-position MTA connector (DC Output)
Step
4. As shown in
Figure 17
, remove four 6-32x3/8" PPZ, SEMS screws.
Step
5. Remove LVS. Note fish paper (Wire Shield) behind LVS, save and reuse with
replacement LVS.
Step
6. Replace by performing steps 2 through 5 in reverse order.
LVS Power Supply
6-32x3/8" PPZ (x4)
Some components not shown for clarity.
NOTE:
Wire Shield (fish paper)
Summary of Contents for VL550
Page 1: ......
Page 13: ...SAFETY NOTICE JAPANESE 02 9683 0010 0 25 March 2011 xiii...
Page 14: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL xiv 25 March 2011 02 9683 0010 0...
Page 18: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL xviii 25 March 2011 02 9683 0010 0...
Page 68: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 50 25 March 2011 02 9683 0010 0 Notes...
Page 102: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 84 25 March 2011 02 9683 0010 0 Notes...
Page 120: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 102 25 March 2011 02 9683 0010 0 Notes...
Page 130: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 112 25 March 2011 02 9683 0010 0 Notes...
Page 131: ......