• SIGNA™ Hero 3.0T Service Methods
  • 5852800-8EN Revision 1.0
  • Object ID: 00000018WIA30387640GYZ
  • Topic ID: id_2014568 Version: 1.16
  • Date: Jul 12, 2021 1:03:00 PM

Removing the Global Operator Cabinet (GOC) Power Distribution Unit (PDU) - Dell T5810

Procedure

  1. Remove the GOC cover screws.
    Figure 1. Remove the service cover and disconnect ground cable
    1Cover screws (2)
    2Service cover
    3Ground wire
  2. Carefully lift the service cover up until the ground cable can be disconnected.
  3. Lift the service cover until you have access to the ground wire. Do not apply pressure to the ground cable while lifting.
  4. Disconnect the ground wire and fully remove the cover.
  5. Set the GOC PDU breaker CB1 to OFF.
    Figure 2. GOC PDU breaker (shown in ON position)
  6. Disconnect E3018 from J3, E3049 from J2, and J16.
    Figure 3. Disconnect the system cable on left-rear side
    1J16, J3 (E3018) and J2 (E3049)
    2Cable cover screws
    3Cable fixing bracket
    4Cable fixing cover screws (2)
    5Power distribution supply wire E0003, J1
  7. Loosen the two screws securing the cable plug cover and remove the cable plug cover.
  8. Disconnect the GOC power distribution supply wire E0003 from J1.
  9. Remove the two screws securing the cable fixing bracket and remove the cable fixing cover.
  10. Disconnect all cables connected to the GOC PDU in the lower right side.
    Figure 4. Disconnect the GOC PDU cables
    1J15: Not used. Do not use this outlet for servicing
    2J14: Not used. Do not use this outlet for servicing
    3J13: Not used. Do not use this outlet for servicing
    4J12: Ethernet hub for older GOCs that include an 8-port hub

    Not used for newer GOC without a hub. Do not use this outlet for servicing

    5J11: Not used. Do not use this outlet for servicing
    6J10: Patient alert box
    7J9: System power on switch
    8J8: Temp/humidty sensor
    9J7: HDMI splitter
    10J6: USB serial port
    11J5: Host computer power
    12J4: To ISC
  11. Remove the two screws securing the rear plate and remove the rear plate.
    Figure 5. Remove the GOC PDU
    1Rear plate and screws (2)
    2PDU screws (note the two different locations, two on the side and one in front of the PDU)
    3GOC PDU
  12. Remove the three screws securing the PDU box and remove the PDU.