• Discovery MR750w and SIGNA™ Architect T 3.0T System Service Methods
  • 5690002-2EN Revision 4
  • Object ID: 00000018WIA304CDE20GYZ
  • Topic ID: id_13106540 Version: 6.34
  • Date: Feb 15, 2022 6:53:52 PM

Magnet Enclosure and Components

Enclosure Components

Table 1. Enclosure Components
Item Part Number Description
15401619Left Rear Cover
2 5398520 Rear Cable Cover
35401631 Right, Rear Trim Ring (Silver Accent)
45401620Right Rear Cover
5 5401623 Left, Top, Rear Cover
6 5401624 Right, Top, Rear Cover
7 5392989 Right Rear Side Cover
8 5401622 Top, Front Cover
9 5401621 Right Center Side Cover
10 5392990 Right Front Side Cover
115394418 Right Front Cover
125394414Right, Front, Trim Ring
135395251Front Bridge Cover
145394415Left Front, Trim Ring
155394419Left Front Cover
165400303Cover Mount Bracket
17 5392989 Left, Front, Side Cover (gray accent: model year 2020 and later)
18 5397988 Left, Center Cover (gray accent: model year 2020 and later)
5392255Accessory Hook
19 5392990 Left Rear Side Cover
205401630-2 Left, Rear Trim Ring (gray accent: model year 2020 and later)
21 5414580 GEM Enclosure Mounting Kit (contains varieties of HSH cap screws and flat washers)
22 5418532 Cable Concealment Kit

Endbell Components

Table 2. Endbell Components
Item Part Number Description
1 5401254 Front Endbell Assembly (different than shown)
25183293Run M3345, Microphone Cable Assembly
5183293-51Run M3345, Microphone Cable Assembly (RoHS)
3 n/a Item does not apply to 750w
45344830Front Bore Light Assembly
5404109Bore Light Lens
55344941Endbell Bore Light Cable
6 5395252 Rear Endbell Assembly (different than shown)
75339429Right Bore Light Assembly
5404109Bore Light Lens
8 n/a Item does not apply to 750w
95344941Bore Light Cable
105339427Left Bore Light Assembly
5404109Bore Light Lens
1146-221773P2Speaker

Magnet FRUs

Table 3. Magnet FRUs
Item Part Number Description
146-260852G3Emergency Evacuation Release Tool
Table 4. Scan Room FRU Kits
Item Part Number Description
15155291-2Magnet Service Platform
25241434Curtain Cover Kit
35366120Stud Replacement Kit

Enclosure Components for In-Room Display (IRD)

Table 5. Enclosure Components for In-Room Display (IRD)
Item Part Number Description
15394815IRD Pivot Assembly
2

5406791

5435410-9

5435410-4

IRD Display (replaces 5406791)

IRD Display (replaces 5406791)

IRD Display (replaces 5435410-4)

Note: Must be used with compatible SW loads DV25.1 R02 or earlier.
5502134-13 (IRD) (replaces 5502134-10)
Note: Compatible with SW loads DV25.1 R03 and later.
35396472Top Laser and Mounting Bracket
45452324Laser Cover Assembly
5482843Laser Cover Assembly, IEC 3rd ed.
55401509Cover Frame Support
65401510Cover Frame L-Bracket Mount
7 5413213 Left Rear Pedestal Cover
8 5404671 Left Rear Pedestal Bumper
9 5404670 Right Rear Pedestal Bumper
10 5413214 Right Rear Pedestal Cover
115402385Right Cover Light Diffuser
5413223Lighting Assembly
125410546Left Operator Control Panel
135410546-2Right Operator Control Panel
145401652 Evacuation Port Cover
155181729-3Front Bridge Assembly
5346291Pulley Hood
5212047Long Drive Belt
5212047-2Long Drive Belt
165406651Left Cover Light Diffuser
5413223Lighting Assembly
175366374Sensor Cable and Tube Assembly (includes the following item)
5273181Ambient Temperature Sensor
5273181-51Ambient Temperature Sensor (RoHS)

Enclosure Components

Table 6. Enclosure Components
Item Part Number Description
15401509Cover Frame Support
25401510Cover Frame L-Bracket Mount
35384700Dynamic TR Switch (DTRSW) (left side of magnet for MR750w/Architect T)
5384700-2Dynamic TR Switch (DTRSW, RoHS) (left side of magnet for MR750w/Architect T)
45398314Preamp Combiner
55401254Front Endbell
65397201Magnet Side Protection Plate
75266979-3Airflow Sensor
85534975Safety Cover FRU Collector
95508401M10 Y Busbar Assembly
5845908M12 Y Busbar Assembly
105508399M10 XZ Busbar Assembly
5845907M12 XZ Busbar Assembly
115448713750w Side Electronics Plate
125341318-4PAC-5 Assembly (Newer Systems)
Note: Must be used with compatible SW loads DV25.1 R02 or earlier.
5194965-2Power and one-wire Y-cable
5393066-2F/O PPG Cable
5341318-8PAC-5 Assembly
Note: Compatible with SW loads DV25.1 R03 and later.
135422053PAC2Bv Assembly (Older Systems)
5447054PAC Coupling FR Kit
145416297LED Light Switch
155174169Remote Receiver Module (RRX) (MR750w and Architect T)
5174169-51Remote Receiver Module (RRX) (RoHS) (MR750w and Architect T)
5823599HDv Remote Receiver Module (includes the following items)
5764096SFP Fiber Optic Transceiver Module
165160929-2SRI4
5160929-52SRI4 with Remote Intercom Board 3 (RoHS)
Note: Must be used with compatible SW loads DV25.1 R02 or earlier.
5160929-54Scan Room Interface FRU
Note: Compatible with SW loads DV25.1 R03 and later.
175165957-51TDM Module (MR750w and Architect T)
Note: Must be used with compatible SW loads DV25.1 R02 or earlier.
5165957-52TDM Module
Note: Compatible with SW loads DV25.1 R03 and later.
185395252Rear Endbell Assembly