VARI
❋
LITE - VL550 W
ASH
L
UMINAIRES
S
ERVICE
M
ANUAL
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Display PCB Replacement
Parts:
24.9685.0826
1 EA
ASSY, VL500 DISPLAY PCB
Tools:
•
1/4" Hex Nutdriver
•
#2 Phillips Screwdriver
WARNING:
Remove power from luminaire before performing maintenance.
To remove and replace display PCB assembly:
Step
1. Remove power from luminaire.
Step
2. Remove display-side yoke arm cover by removing four 6-32x3/8" PTB screws.
Step
3. At display overlay, as indicated in
Figure 15
, remove four 6-32x1/4" PPB screws.
Figure 15: Display PCB Replacement
Step
4. Remove display overlay.
Step
5. As indicated in
Figure 15
, remove four 1/4" hex (9/32" long) standoffs.
Step
6. At display PCB, disconnect the following wiring connections:
a.
4-position MTA connector (24V DC)
b. 2-position connector (MCB Fan)
c.
4-position connector (LVS Fan/Temperature Switch)
d. 6-position connector (Display Communication)
Step
7. Remove Display PCB.
Step
8. Replace by performing Steps 2 through 7 in reverse order.
Note:
Orientation of display overlay - the overlay should be black paper side out to allow
proper and free button travel.
Display Overlay
Display Lens
Display PCB
6-32x1/4" PPB (x4)
1/4" Hex (9/32" Long)
Some components not shown for clarity.
NOTE:
Menu
Display
Standoff (x4)
Yoke Arm
Cover
Summary of Contents for VL550
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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...
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