C
HAPTER
1. I
NTRODUCTION
1-15
02.9628.0010
CONFIDENTIAL
7-Oct-97
1.4.2 Electronic
Chassis
Components
Ref.
No.
Name
Description
1
Transformer/
Capacitor
Assembly
Provides unregulated DC power from AC input
for use by lamp power supply assembly and low
voltage supply PCB assembly. Consists of
connectorized transformer assembly and
connectorized capacitor assembly.
2
Motherboard
PCB
Assembly
Located at rear of upper enclosure. Routes
power to the luminaire electrical components.
3
Voltage
Selector
Board
Senses amplitude of AC input power (85 to 130
or 170 to 260 VAC) and switches transformer
primaries in series (220 mode) or parallel (110
mode).
4
Capacitor
Assembly
Part of Item 1.
5
Arc Power
Supply
Provides regulated AC power to lamp.
6
Lamp Control
Electrical
Assembly
Consists of universal control board and lamp
control board. Controls stepper motors, system
timing, pan/tilt and incandescent dimming, shaft
encoder interface, and sensor inputs. Controls
various luminaire functions, communicates with
console, and stores cue data.
7
Low Voltage
Supply Board
Regulates lamp power.
*
Cooling Fan
Located in yoke bearing frame. Forces cooling
air though hollow yoke arms to lamp. Blows air
directly across lamp for maximum cooling.
*
Pan
Mechanism
Located in yoke bearing frame. Drives belt-
driven pulley to pan luminaire head.
Interconnected to motherboard for power and
data.
* Not shown.
Содержание VL4
Страница 156: ...4 2 VARI LITE VL4 WASH LUMINAIRE SERVICE MANUAL CONFIDENTIAL 02 9628 0010 7 Oct 97 This page intentionally blank ...
Страница 158: ...4 4 VARI LITE VL4 WASH LUMINAIRE SERVICE MANUAL CONFIDENTIAL 02 9628 0010 7 Oct 97 This page intentionally blank ...
Страница 216: ...5 2 VARI LITE VL4 WASH LUMINAIRE SERVICE MANUAL CONFIDENTIAL 02 9628 0010 7 Oct 97 This page intentionally blank ...
Страница 237: ...CHAPTER 5 WIRING DIAGRAMS 5 23 02 9628 0010 CONFIDENTIAL 7 Oct 97 5 3 3 Ignitor Board Schematic ...