Hughes-JVC Technology Corporation
2310 Camino Vida Roble
Carlsbad, CA. 92009-1416
102802 First Edition July 1994
102802 Rev A December 1994
102802 Rev B August 1995
Confidential and proprietary inf or mation.
© Copyright 1994 by Hughes-JVC Technology Corporation.
All worldwide rights reserved.
No part of this manual may be reproduced in any form without the express written
permission of Hughes-JVC Technology Corporation. The contents of this Supplement
may be revised without prior notice.
ILA™ is a trademark of Hughes-JVC Technology Corporation.
This Supplement was produced by Hughes-JVC Technology Corporation.
The Series 300 Projector Warranty provisions are provided in a separate document.
Model 335 Supplement 2
Table of Contents
General Information................................................................................4
1.0 Safety Precautions...........................................................................4
2.0 External Arc Lamp Power Supply....................................................6
3.0 Brightness Level Checks..................................................................7
4.0 Electronics Module Removal and Replacement..............................11
5.0 Lamphouse/Ignitor Removal and Replacement...............................13
Model 335 Supplement 3
General Information
The Series 300 Operator’s Manual and Service Manual provide
information on installation, checkout and maintenance for all
Series 300 projectors including the Model 335. There ar e som e
distinct areas with reference to the Model 335, mainly due to the
larger Xenon Arc Lamp, that require additional information and
procedures. Focusing on these distinct areas and special
procedures is the purpose of this supplement.
The areas discussed in this supplement are:
1.0 Safety precautions: Any necessary safety precautions that
are characteristic to the Model 335 Projector that were not
referred to in the Series 300 O per at or’s Manual or Service
Manual.
2.0 External Arc Lamp Power Supply: Provides the additional
power required for the larg er 2500 watt Xenon Arc Lamp.
NOTE: Model 335 Projectors with serial numbers 351100 or
higher will not require an external power supply. The additional
current required by the larger ar c lam p is supplied by the system
power supply itself. Refer to the Ser ies 300 Ser vice Manual.
3.0 Brightness Level Checks: Additional procedures requir ed
for adjustments that m ay be necessary on the arc lamp and
external power supply if low brightness levels are encountered.
4.0 Electronics Module Removal and Replacement: A separ at e
procedure is included for the Model 335 for the r emoval and
replacement of the Electronics m odule.
5.0 Lamphouse and Ignitor Removal and Replacement: A
separate procedure is included for the Model 335 for the removal
and replacement of the Lamphouse Assembly or Ignitor Assembly.
1.0 Safety Precautions
All safety precautions mentioned in the Series 300 Oper ator’s
Manual are applicable and should be reviewed prior to operating
or adjusting the Model 335.
Model 335 Supplement 4
WARNING!!!
The Squirrel Cage (see BLOWER in Figure 1) Blower located next
to the Xenon Arc Lamp Assembly is not covered by a grill. Use
extreme caution near this blower when performing any
adjustments or maintenance that r equire the projector cover to be
off with power on.
WARNING!!!
High voltage exists on the Ignitor Board Assembly at the front, left
of the projector. Be car eful when reaching over this area when the
Arc Lamp is operating. Wear proper safet y clothing to avoid shock
hazard. Also wear safety goggles to protect your eyes f r om
Ultraviolet and Infrared exposure.
CAUTION!!!
To avoid possible overheating, be sure to allow at least six inches
of clearance on both sides of the External Ar c Lamp Power
Supply.
Model 335 Supplement 5