10 PARTS REPLACEMENT & REPAIR
Technical manual Planmeca ProX 53
10.6 Replacing tube head PCB
1. Disconnect the X-ray unit from the mains or switch off the power supply.
2. Remove the tube head covers, refer to section 10.2 “Removing tube head covers” on page
46.
3. Disconnect the two connectors from the tube head PCB.
4. Pull the tube head PCB from the tube head.
5. Install the new PCB in reverse order.
6. Perform the x-ray tube filament preheating voltage calibration, see section 4.3 “X-ray tube
filament preheating voltage calibration” on page 20.
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