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2-2
Entero RPMSP/RPMWU/RPMHD-LED01 Service Manual
020-100368-05 Rev. 1 (06-2012)
Section 2: Service Guidelines
2.2
Safety Warnings and Guidelines
Perform servicing ONLY after becoming thoroughly familiar with these service
guidelines. Noncompliance will increase the risk of hazards and injury to the
user. Do not modify any circuit. Do not look directly into the lens or into an
open projector. The extreme light output could cause permanent eye damage.
All servicing must be performed by Christie accredited service technicians.
Use replacement parts that are manufacturer-approved only. Use of any other
part other than the ones specified by the manufacturer can result in fire,
electric shock or risk of personal injury and irreparable equipment damage.
Do not service the projector while it is still connected. There are exposed
voltages that could cause severe physical injuries and possibly death. Always
power down and disconnect/disengage all power sources to the projector
before servicing or cleaning.
If any of the following conditions exist, immediately disconnect the projector from the power outlet and
consult a Christie accredited service technician.
• The power cord is damaged.
• The internal cooling fans do not turn ON when the projector is first powered up.
• Liquid is spilled into the projector.
• The projector is exposed to excessive moisture.
• The projector is not operating normally or performance has severely decreased over a short period of time.
• The projector has been dropped or the shipping case (if applicable) is badly damaged.
2.2.1 Repair Cautions
•
Do not
short transistors or ICs during circuit checks.
•
Do not
short or remove bias resistors while the projector is operating.
•
Do not
operate with heat sinks removed.
•
Do not
overload transistors or ICs. Make sure the projector is disconnected from AC power before testing,
removing, or installing modules.
•
Do not
operate the projector with an internal part removed. If, for testing purposes, you
must
operate the
projector without the lid or the lamp door, make sure to wear
UV glasses
and stand
well back
from the
projector at all times.
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