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P
ART NUMBER FN091065, REVISION 2 VS5 N AND VS6 N SERVICE MANUAL
Chapter 8 - Replacement Procedures 8-145
PRELIMINARY
8-6-7 DC-to-DC Power Supply Replacement Procedure
NOTE: The DC-to-DC Power Supply is also referred to as the HVPS (High Voltage Power Supply).
8-6-7-1 Tools
Use the appropriate flat and Phillips-type screwdrivers, as indicated in the DC-to-DC Power Supply
replacement procedure.
8-6-7-2 Time Required
15 minutes
8-6-7-3 Preparation
Shut down the Vivid S5 N or Vivid S6 N ultrasound unit, as described in 4-2-3 "Power Shut Down" on
page 4-7.
8-6-7-4 DC-to-DC Power Supply Removal Procedure
1) Remove the left and right side covers, as described in the 8-2-3-3 "Left Side Cover Removal
Procedure" on page 8-6 and 8-2-2-3 "Right Side Cover Removal Procedure" on page 8-5.
2) Remove the front cover, as described in the 8-2-6-3 "Front Cover Removal Procedure" on page 8-
17.
3) Open and remove the cabinet cage assembly and place it on a stable surface, as described in 8-6-
1 "Opening and Removing the Cabinet Cage Assembly" on page 8-109.
4) Remove the ECG module assembly, as described in the “ECG Module Assembly Removal
Procedure” on page 8-140.
5) Loosen and remove the 2 screws that secure the metal plate (that covers the RFI power cable) to
the side of the cabinet cage assembly and remove the plate, as shown in Figure 8-177 below.
When performing these procedures, take precautions to avoid damage of
electrostatic-sensitive components. Always have the ESD wrist strap
connected either to the DIB chassis or to the GND plug at the rear of the
scanner, and to your hand.
If a battery is present, first remove the battery as it contains stored energy.
Refer to 8-6-2-4 "Battery Removal Procedure" on page 8-116.
Figure 8-177 Removing the Metal Plate
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