Express Coil: Head Neck Array Coil ID PCB Replacement

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	0 minutes	30 minutes	0 minutes

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard tool kit – Flathead screwdriver, 10 in-lbs torque driver, 15in-lbs torque driver, Spanner and pliers	1	-	-	-

Table 3. Safety

Notice

Observe Anti-Static Precautions.

Follow this process to change the Coil ID PCBs for Express Coil- Head Neck Array.

Notice

Wear the static electricity prevention wrist band when accessing the cables below cradle not to damage the electronics module.
Unscrew the bottom cover and remove from coil. Retain the original screws used.
Identify the Coil ID PCB located on Mux Board. See Figure 1 Identify and Remove DC Connectors Pins (J7 & J9) and one DC PCX Connector (J3) on Coil ID PCB.

Figure 1. Mux Board and Coil ID PCB Locations
Unscrew the 3 screws of Coil ID PCB as shown in Figure 2 and carefully remove the Coil ID assembly. Retain the removed 3 screws carefully.

Figure 2. Mux Board and Coil ID PCB Locations

Note:
Ensure that only two DC Connectors (J7, and J9) and one DC PCX Connector (J3) are removed from System Cable.
Mount the new coil ID PCB assembly with 3 screws in the open slot on the Mux Board. See Figure 3.

Figure 3. Coil ID PCB Locations
Connect the J7 and J9 DC Connector of System Cable Assy to Coil ID PCB at J7 and J9 as shown in Figure 2. Connect the J3 DC PCX Connector to J3 DC PCX connectors on Coil ID PCB. Verify that all labels on the connectors match those on the Mux Board and Coil ID Board.
Replace cover. Use original screws to fasten cover.