• Optima MR450w BASE 1.5T System Service Methods
  • 5690012-2EN Revision 3
  • Object ID: 00000018WIA3063DD20GYZ
  • Topic ID: id_13106846 Version: 5.0
  • Date: Feb 21, 2021 9:13:24 PM

1.5T 12-Channel Body Array Coil Cable Replacement

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1Not Applicable30 minutesNot Applicable
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Standard Tool Set1---
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
HDx System Cable1-

2417328

-
P-connector System Cable FRU1-

2424308

-
Table 4. Safety

Cable Removal

Procedure

  1. Put an ESD wrist strap on and ensure it is grounded.
  2. Place posterior coil patient side down.
  3. Remove the straps.
  4. Remove the 8 screws from the cover at the pelvic end of the coil. There are two screws located under the strap. See Figure 1.
    Figure 1. Back of Posterior
  5. Unscrew the cable clamp. See Figure 2.
    Figure 2. Screws at Cable Clamp
  6. Locate and disconnect all RF cables coming from the cable trap. See Figure 3.
    Figure 3. Disconnect Indicated RF Cables
  7. Locate and remove the DC wire bundle coming from the cable trap. See Figure 3.
  8. Remove the two screws holding the cable trap PCB to the coil. See Figure 3.
  9. Remove the cable from the coil. See Figure 4.
    Figure 4. Posterior Cable Removal from Coil

Cable Replacement

Procedure

  1. Place strain relief in cutout (see Figure 5).
    Figure 5. Strain Relief in Cutout
  2. Align cable trap PCB from the new cable with the screw posts.
  3. Secure the cable trap PCB in place with the previously removed nylon screws.
  4. Secure cable clamp over cable until tight with the previously removed brass screws. See Figure 6.
    Figure 6. Secured Cable Clamp
  5. Attach the DC wire bundle to J1. See Figure 7.
    Figure 7. DC Wire to J1
  6. Attach the Clear cable at E1 Out.
  7. Attach the Yellow cable to E5 Out.
  8. Attach the Red cable to E3 Out.
  9. Attach the Orange cable to E4 Out.
  10. Attach the Black cable to E6 Out.
  11. Attach the Brown cable to E2 Out.
  12. Replace the cover.