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CT spare parts

Philips CT parts by name

These are the assemblies we replace most often on Philips CT scanners. If you know the name of the failed board or module but not its part number, start here — each page explains the part, lists the numbers we stock and lets you pick your scanner model so we can confirm the exact number for your system.

GHOST board / PCB

The GHOST board is the gantry host controller on Philips CT systems. It supervises the rotating gantry electronics and passes commands and status between the host computer and the gantry subsystems.

Couch control board / PCB

The couch control board drives and monitors patient table movement — vertical lift, horizontal travel, position feedback and the interlocks that stop the couch safely. It is the board that receives the movement commands and reports table position back to the scanner.

Table inverter

The table inverter supplies the variable drive power that moves the patient couch smoothly and holds it in position under load.

Couch power board

The couch power board distributes and regulates the supply rails used by the table drive, brakes and position sensors. It supplies power only — it does not command table movement.

IBOX PCB

The IBOX PCB handles interface and interconnect duties between the gantry control chain and the surrounding subsystems.

CGMP board

The CGMP board is part of the gantry control and monitoring chain, handling supervision signals for the rotating assembly.

Spindle block

The spindle block carries the mechanical drive assembly for couch travel, converting motor rotation into smooth linear movement.

R2D converter

The R2D converter handles data conversion across the rotating-to-stationary boundary of the CT gantry.

Vicor power supply

Vicor DC-DC modules provide regulated supply rails to boards across the gantry and control racks.

Detector modules (TDMS/UDMS)

TDMS and UDMS detector modules capture the X-ray signal after it passes through the patient. Each module covers a fixed segment of the detector arc.

Green detector module

The green detector module variant is fitted on specific Philips CT detector generations and must be matched to the detector arc already installed.

RCOM

RCOM handles communication on the rotating side of the gantry, carrying control and status traffic between the rotating electronics and the host.

DPU

The DPU processes detector data on its way to reconstruction, packaging raw projections for the reconstruction chain.

DMS fans

DMS fans hold the detector assembly at a stable temperature. Detector output drifts with temperature, so cooling directly affects image quality.

Axial fans

Axial fans cool gantry racks, power modules and control electronics throughout the system.

A-plane collimator

The A-plane collimator shapes the X-ray beam before it reaches the patient, defining slice width and controlling scattered dose.

ACCU power control board

The ACCU power control board manages accumulator and power-control functions in the gantry power chain.

RHOST board

The RHOST board is the rotating-side host controller, coordinating the electronics that travel with the gantry rotor.

System control board

The system control board coordinates power-up, interlocks and top-level control signalling across the CT scanner.

Cathode power module

The cathode power module supplies the cathode side of the high-voltage generator feeding the X-ray tube.

Anode power module

The anode power module supplies the anode side of the high-voltage chain driving the X-ray tube.

High speed starter board

The high speed starter board spins the X-ray tube anode up to operating speed and holds it there during exposures.

ACS / horizontal motion controller

The ACS horizontal motion controller drives and supervises the horizontal (in/out) travel of the patient couch, holding the commanded position and feeding table position back to the scanner.

Not sure which part you need?

Browse the full CT spare parts catalogue by part number, or select your scanner from the model list to see everything catalogued against it. If the number stamped on your board does not appear, send us the part name, a photo and your system model and we will confirm the correct number, price and lead time.