M
AINTENANCE
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37
Main Control PCB/Fan Assembly Replacement
Parts:
21.9685.0731
1 EA
ASSY, MAIN CONTROL PCB/FAN
Tools:
•
1/4" Hex Nutdriver
•
#2 Phillips Screwdriver
WARNING:
Remove power from luminaire before performing maintenance.
To remove and replace main control PCB/fan 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. Remove Display PCB as described in,
“Display PCB Replacement” on page 36
.
Step
4. At Main Control PCB/Fan Assembly, disconnect the following wiring connections:
a.
Pan/Tilt wiring harness
b. Head motor wiring harness
c.
3-position connector (Dimmer communications - See note below)
Note:
Dimmer communications is for VL550D models only (with on-board IGBT dimmers).
On VL550 models (without on-board IGBT dimmer) this connector is present and wiring
harness should be connected to MCB.
d. 10-position AMP connector (Display Communications)
e.
4-position connector (DMX communications)*
CAUTION:
*This connector is similar to the connector for the LVS Fan/Temperature
Switch connector used on the Display PCB. It is imperative that you do not confuse the two.
f.
3-position connector (24V DC)
Step
5. Remove two 6-32x3/8" PPZ screws (one has a ground wire terminal attached).
Step
6. Remove four 1/4" hex (13/16" long) standoffs as indicated in
Figure 16
.
Содержание VL550
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Страница 13: ...SAFETY NOTICE JAPANESE 02 9683 0010 0 25 March 2011 xiii...
Страница 14: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL xiv 25 March 2011 02 9683 0010 0...
Страница 18: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL xviii 25 March 2011 02 9683 0010 0...
Страница 68: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 50 25 March 2011 02 9683 0010 0 Notes...
Страница 102: ...VARI LITE VL550 WASH LUMINAIRES SERVICE MANUAL 84 25 March 2011 02 9683 0010 0 Notes...
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