GE
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IRECTION FQ091019, REVISION 2 VIVID Q N SERVICE MANUAL
8-48 Section 8-3 - Internal Component Replacement Procedures
8-3-5 DC-to-DC Power Supply Replacement Procedure
8-3-5-1 Tools
Use the appropriate flat and Phillips-type screw drivers, as indicated in the HVPS replacement
procedure.
8-3-5-2 Time Required
15 minutes
8-3-5-3 Preparation
Shut down the Vivid q N ultrasound unit, as described in Chapter 3 - System Setup.
8-3-5-4 DC-to-DC Power Supply Removal Procedure
1) Make sure the Vivid q N LCD Display cover is securely closed and place the scanner face down.
Remove the battery as described in the "Battery Removal Procedure" on page 8-4.
2.) Remove the bearing handle, as described in the "Bearing Handle Removal Procedure" on page 8-2.
3.) Disconnect each of the two Power Supply cables from the DC Power Supply (HVPS-to-BEP and
HVPS-to-RFI), as shown below.
4.) Loosen the five screws that secure the DC Power Supply to the Bottom Assembly, as shown in
Figure 8-56 Disconnecting the DC Power Supply Cables
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