Principles Of Operation; Vl440 / Vl770 / Vl880 Spot Luminaires Functional Block Diagram - Philips Vari-Lite VL440 Service Manual

P O
RINCIPLES OF PERATION

Principles of Operation

VL440 / VL770 / VL880 Spot Luminaires Functional
Block Diagram
ENTER
Lamp
Socket
Lamp
Ignitor
Ballast / Low-Voltage Supply
02.96 87.001 0 0
: VL440 / VL770 / VL880 S
Fixed
Sensor
Gobo
Rotating
Sensor
Gobo
Rotating Gobo
Sensor Index
Rotating Fixed
Sensor Color
LCD Display
ESC
DMX
Input
Ballast COM
Enclosure
Fans
Assembly
AC
Input
L
POT UMINAIRES
Iris
Motor
Frost
Sensor
Assembly
Zoom
Sensor
Motor
Prism
Sensor
Assembly
Prism
Rotate
Main Control Unit PCB
Main Control Board
(MCB) Assembly
Driver PCB
COT Tilt Pan
Sensor Motor Motor
Tilt Pan
Encoder Encoder
F B D
UNCTIONAL LOCK IA
GRAM
Cyan
Sensor
Wheel
Yellow
Sensor
Wheel
Magenta
Sensor
Wheel
Dimmer
Sensor
Wheel
Right
Strobe
Left
Strobe
Edge
Sensor
Motor
Lamp
Housing
Fans
Head
Dual Gobo
Transfer
Blower*
Fans
*Dual gobo blower assembly is in
VL770 and VL880 Spot fixtures only
1
-
11