M520086-01
iii
SERVICE SAFETY NOTICES
WARNING!
HAZARDOUS VOLTAGES IN EXCESS OF 480 V
RMS, 700 V PEAK MAY BE PRESENT WHEN
COVERS ARE REMOVED. QUALIFIED
PERSONNEL MUST USE EXTREME CAUTION
WHEN SERVICING THIS EQUIPMENT. CIRCUIT
BOARDS, TEST POINTS, AND OUTPUT
VOLTAGES MAY BE FLOATING ABOVE
CHASSIS GROUND.
WARNING!
TO GUARD AGAINST RISK OF ELECTRICAL
SHOCK DURING OPEN COVER CHECKS, DO
NO TOUCH ANY PORTION OF THE
ELECTRICAL CIRCUITS. EVEN WHEN THE
POWER IS OFF, CAPACITORS CAN RETAIN AN
ELECTRICAL CHARGE. USE SAFETY
GLASSES DURING OPEN COVER CHECKS TO
AVOID PERSONAL INJURY BY ANY SUDDEN
FAILURE OF A COMPONENT.
WARNING!
SOME CIRCUITS ARE LIVE EVEN WITH THE
FRONT PANEL SWITCH TURNED OFF.
SERVICE, FUSE VERIFICATION, AND
CONNECTION OF WIRING TO THE CHASSIS
MUST BE ACCOMPLISHED AT LEAST FIVE
MINUTES AFTER POWER HAS BEEN REMOVED
VIA EXTERNAL MEANS; ALL CIRCUITS AND/OR
TERMINALS TO BE TOUCHED MUST BE
SAFETY GROUNDED TO THE CHASSIS.
WARNING!
QUALIFIED SERVICE PERSONNEL NEED TO
BE AWARE THAT SOME HEAT SINKS ARE NOT
AT GROUND, BUT AT HIGH POTENTIAL.
