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6. Optical parts and servicing procedures
6. OPTICAL PARTS AND SERVICING PROCEDURES
Overview
•
W
ARNING
:
Do not remove the projector covers before the projector has cooled down for at least 15 minutes.
The optical parts can become very hot!
C
AUTION
:
Never touch any optical part (mirror, lens, polarizer, glass prism,...) with your
fi
nger, since this will
degrade the part in time!
6.1
Lamp
Overview
•
•
•
•
•
•
•
•
W
ARNING
:
Never touch the lamp before it has cooled down for at least 15 minutes!
W
ARNING
:
This lamp must be handled with the appropriate care which is needed for short arc lamps! Han-
dling a hot lamp or handling a lamp without care considerably increases the risk of explosion!
W
ARNING
:
Electrical shock hazard! Make sure to switch off and unplug the projector before starting any of
these procedures! Never remove any cover while the projector is on.
6.1.1
Description of the lamp
Description
The
lamp
which is used is a short arc
Osram VIP metal halide lamp
of 300W. The start pulse needed is 5kV. In running mode,
80–120V AC is used to feed the lamp. The tension depends on temperature, pressure and distance between anode and cathode
and is adjusted to guarantee a power of 300W.
R59770119 SIM 7C 28/05/2008
25
Summary of Contents for SIM 7C R9011206
Page 1: ...SIM 7C Service manual R9011206 R59770119 02 28 05 2008...
Page 4: ......
Page 6: ...Table of contents 2 R59770119 SIM 7C 28 05 2008...
Page 10: ...1 Safety 6 R59770119 SIM 7C 28 05 2008...
Page 12: ...2 Spare parts 8 R59770119 SIM 7C 28 05 2008...
Page 16: ...3 General information 12 R59770119 SIM 7C 28 05 2008...
Page 23: ...4 Covers Image 4 15 Lamp cover fixing screws R59770119 SIM 7C 28 05 2008 19...
Page 24: ...4 Covers 20 R59770119 SIM 7C 28 05 2008...
Page 36: ...6 Optical parts and servicing procedures 32 R59770119 SIM 7C 28 05 2008...
Page 42: ...7 Maintenance procedures 38 R59770119 SIM 7C 28 05 2008...