GE Brivo OEC 715, Service Manual

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Brivo OEC 715/785/865 Mobile C-Arm X-Ray Product Service Manual
7-38
2. Remove the rear cover of the C-
Arm console.
3. Loose the four screws and remove
the shield cover.
Do not touch the IGBT inverter module, unless the power of DC Bus capacitor has been
completely removed and they have been discharged completely.
4. Disconnect all cables connected to IGBT
board and the cables to the fan.
5. Remain the screws on the board after
disconnect the cable. Be careful not to
break the pins.
6. Loose the screws that secured the IGBT
module and replace a new one.
7. Connect all cables to IGBT module.
8. Reassembly the shield cover and the rear
cover of console.
Make sure that all cables are connected before you power on the system. Otherwise,
the IGBT assembly will be damaged.
9. Power on the system. Take exposure and verify the system works normally.
10.
Refer to section 4.2.1 to perform kVp accuracy check and perform KVp calibration if needed.
11.
Refer to section 4.3.1 to perform mA accuracy check and perform mA calibration if needed.
WARNING
CAUTION