Vari Lite VL2B, Service Manual, Page: 6 / 310

vi
V
ARI
*L
ITE®
-
VL2B

AND
VL2C™ S
POT
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL 02.9631.0010
15 Jan 98
Contents (continued)
Chapter 3. Maintenance Procedures
3.1 Test Procedures................................................................................ 3-3
3.1.1 EPROM Test ..................................................................................... 3-3
3.1.1.1 Description................................................................................... 3-3
3.1.1.2 Thumbwheel ................................................................................ 3-3
3.1.1.3 EPROM Test Setup ..................................................................... 3-5
3.1.1.4 EPROM Test Code Description ................................................... 3-6
3.1.2 Download Test ................................................................................ 3-11
3.1.2.1 Description................................................................................. 3-11
3.1.2.2 Test Number .............................................................................. 3-11
3.1.2.3 Downloadable Test Setup........................................................... 3-12
3.1.2.4 Verifying Software Downloaded ................................................ 3-12
3.1.2.5 Perform Test .............................................................................. 3-12
3.1.2.6 Reading Error Codes.................................................................. 3-13
3.1.2.7 Conclude Test ............................................................................ 3-14
3.1.2.8 Test Code Description................................................................ 3-15
3.2 Luminaire Fault Isolation.............................................................. 3-29
3.2.1 Luminaire Fault Isolation Chart ........................................................ 3-29
3.2.2 Luminaire Fault Isolation Procedures ............................................... 3-33
3.2.2.1 Luminaire Powers Up, But Will Not Calibrate ............................ 3-33
3.2.2.2 Luminaire Calibrates, But Will Not Come On-Line..................... 3-35
3.2.2.3 Luminaire Powers Up, but Recalibrates Repeatedly .................... 3-35
3.2.2.4 Luminaire Has No Power ........................................................... 3-36
3.2.2.5 Lamp Will Not Strike ................................................................. 3-36
3.2.2.6 Intensity Iris Not Working Properly............................................ 3-37
3.2.2.7 Color Filters Not Working Properly ........................................... 3-38
3.2.2.8 Edge Control Not Working Properly .......................................... 3-39
3.2.2.9 Gobo Filters Not Working Properly............................................ 3-40
3.2.2.10 Improper Tilt Response .............................................................. 3-41
3.2.2.11 Improper Pan Response.............................................................. 3-41
3.3 Luminaire Maintenance Procedures ............................................. 3-42
3.3.1 Brightness/Filter Bulkhead Maintenance........................................... 3-42
3.3.1.1 Brightness/Filter Bulkhead Removal and Replacement................ 3-42
3.3.1.2 Brightness/Focus Bulkhead Brightness Iris
Removal and Replacement.......................................................... 3-45
3.3.1.3 Brightness/Focus Bulkhead Belt Removal and Replacement ....... 3-49
3.3.1.4 Brightness/Focus Bulkhead Sensor Switch
Removal and Replacement.......................................................... 3-51
3.3.1.5 Brightness/Focus Bulkhead Linear Actuator Motor Removal and
Replacement............................................................................... 3-53