1998-08-032 MAC 500
section 1
INTRODUCTION
1.1 A
BOUT
THIS
MANUAL
1.1.1 P
URPOSE
Since its introduction at PLASA in the fall of 1997, the MAC 500 has proven to be an extremely reliable luminaire. Thorough
attention to detail has resulted in a robotic light that is both compact and portable, and yet able to withstand the thumps and
bumps of touring.
Under the extreme conditions of heat and light, components do, however, occasionally wear out or require adjustment. This
manual is a guide to the most common service requirements. It is not intended as an exhaustive reference on how to trouble-
shoot and replace every single part.
1.1.2 D
ISTRIBUTION
The MAC 500 Service Manual is available free of charge from the Martin Professional web site at http://www.martin.dk.
1.1.3 A
DDITIONAL
SERVICE
RESOURCES
• The user manual contains basic troubleshooting, maintenance, and service information.
• The Martin Professional web site at http://www.martin.dk provides a library of information including the user manual, the
latest software updates, control protocols and more.
• A global network of qualified Martin technicians is available to provide service and parts and to answer your technical ques-
tions. A list of distributors is maintained on the Martin Professional web site.
• Technical assistance is also available 24 hours a day from the Martin Service Hotline. The number is +45 70 200 201. In the
United States call 1-888-TECH-180.
1.2 S
AFETY
WARNINGS
Read the warnings and cautions below before servicing the fixture. Some adjustment procedures require that the case and/or
shell is removed while the MAC 500 is under power and the lamp is lit. They shall only be performed by qualified technicians
who are aware of, and can protect themselves from, the hazards involved in working with live circuits and discharge lamps.
I
F
YOU
ARE
NOT
SURE
OF
HOW
TO
PROTECT
YOURSELF
FROM
ELECTRIC
SHOCK
AND
UV
RADIATION
,
ALWAYS
DISCONNECT
THE
FIXTURE
FROM
AC
POWER
BEFORE
AND
WHILE
SERVICING
OR
REFER
THE
WORK
TO
A
QUALIFIED
TECHNICIAN
.
1.2.1 R
ISK
OF
ELECTRICAL
SHOCK
Removal of any cover exposes connectors that carry lethal electric currents. While working on a fixture under power:
• Make sure the fixture is electrically grounded.
• Use a supply with ground-fault-interrupt protection.
• Keep one hand in your pocket.
• Never touch any connector that carries voltage.
• Be careful with tools that conduct electricity.
1.2.2 R
ISK
OF
UV
RADIATION
AND
LAMP
EXPLOSION
Discharge lamps emit harmful ultraviolet (UV) light which can cause eye and skin burns. In addition, they work under high
temperature and pressure: lamps can and do explode. The explosion risk increases as the lamp ages and the quartz envelope
weakens. To reduce the risk of injury while working on a fixture with the cover removed:
• Never operate the lamp outside the reflector unit.
• Protect eyes with UV-blocking safety goggles. Do not look directly into the light.
• Protect exposed skin with a high factor sun-block.
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