Discovery MR750 3.0T System Service Methods
5690009-2EN Revision 4
Object ID: 00000018WIA308CCE20GYZ
Topic ID: id_13106388 Version: 2.0
Date: Feb 22, 2021 1:46:52 AM

3.0T HD 3-Channel Shoulder Coil FRUs and Cable Replacement

Topic ID: id_SL5086109-1061491

Personnel Requirements


Required Persons	Procedure Timing
1	30 minutes

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Overview

This document contains the FRU list and instructions to replace the cable assembly on the 3.0T HD 3-channel shoulder coil by GE/USAI, catalog M3335LR (A-port system) and M7001KE (P-port system).

Topic ID: id_SL5086113-1061491

FRUs

Table 1. FRU List
Description	GEHC Part #
Shoulder coil	2416878 5498924 (R)
Cable assembly (A-port)	2416877
Cable assembly (P-port)	5554682
Phantom positioner	2375136-3
Patient pad	2375136-5
FRU, SPACER PAD, SHOULDER	2413827
Kit, Vinyl and Foam Repair	5440960
Strap and Pin FRU, Shoulder Coil	5370109

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Tools and Test Equipment

Standard tool set

Item: ESD kit with monitor (wrist strap, 10 feet) or equivalent

Qty: 1

Part#: 2220483

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Cable Replacement

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Remove Cable from Coil

Remove the coil from the magnet room before you begin this procedure.
Wear an ESD wrist strap to avoid electrostatic discharge.
Remove the screws that attach the covers to the unit.
Remove the covers.
Figure 1. Covers and Screws
Disconnect the RF cables and the DC wires from the feed boards.
Figure 2. Disconnect RF Cables
Remove the two screws from the strain relief clamp.
Figure 3. Strain Relief Clamp
Remove the cable from the coil.

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Install New Cable in Coil

Note:

(For RRx receive chain systems) Both the A-port and P-port cable assemblies are compatible with the RRx receive chain. You can use either assembly to complete this procedure.

Attach the cable to the coil with the cable clamp.
Figure 4. Cable with Cable Clamp to Coil
Connect the DC wires and RF cables Figure 2.

Table 2. Connections
RF Wires
Color Label
Black CH3
Gray CH2
Silver CH1
DC Wires
Color Label
Blue, yellow (twisted) CH2
Red, black (twisted) CH1
Brown, white (twisted) CH3
Replace the covers and screws Figure 1.

Table 2. Connections
RF Wires
Color	Label
Black	CH3
Gray	CH2
Silver	CH1
DC Wires
Color	Label
Blue, yellow (twisted)	CH2
Red, black (twisted)	CH1
Brown, white (twisted)	CH3

Topic ID: id_SL5136469-1061491

Finalization

Before returning the coil to the customer, perform 3.0T HD 3–Channel Shoulder Coil Setup for MCQA Test.