GE Vivid E80, Service Manual

Page: 310 / 382

Replacement Procedures
8-88
Vivid E80/E90/E95
–
Service Manual
GC091052 Rev. 3
Relay Board (RLY) replacement
Read and follow
WARNING
Energy Control and Power Lockout for Vivid E80/E90/E95.
When servicing parts of the Ultrasound system where there is
exposure to voltage greater than 30 volts:
1. Follow LOCK OUT/TAG OUT procedures.
2. Turn off the breaker.
3. Unplug the Ultrasound system.
4. Maintain control of the Ultrasound system power plug.
5. Wait for at least 30 seconds for capacitors to discharge as
there are no test points to verify isolation.
Ultrasound System components may be energized.
WARNING
DO NOT touch any boards with integrated circuits prior to
taking the necessary ESD precautions.
Always connect yourself, via an arm-wrist strap, to the advised
ESD connection point located on the rear of the Ultrasound
system (near the power connector).
Follow general guidelines for handling of electrostatic sensitive
equipment.
WARNING
Risk of electrical shock, Ultrasound system must be turned off
and disconnected from power source. Cord must be controlled
at all times.
Wait for at least 20 seconds for capacitors to discharge as
there are no test points to verify isolation. The amber light on
the OP panel on/off button will turn off.
Ultrasound System components may be energized. Always
refer to the Ultrasound system's service manual for LOTO
warnings and cautions.