Planmeca ProMax 3D Max with ProTouch Technical Manual page 218

8 Parts replacement and repair
8.2.1.4 Replacing input PCB on X-ray units with permanently installed power cable
212 Planmeca ProMax 3D Max
3. Unscrew the four M4.8x19 torx 7981 attachment screws of the Input
module and detach the module (2 in the figure above).
4. Disconnect all the cables that are connected to the Input PCB. Unscrew
the two M4x16 DIN 912 screws with a 3 mm Allen key from the Input
PCB and remove the PCB (3 in the figure above).
5. Install the new PCB in reverse order.
NOTE
Pay close attention to the cabling setup, for more information on the
cabling setup, see section "Input connections (Ed2/Ed3)" on page 74.
The input PCB (Ed2) layout/wiring diagram is presented in the section
"Ed2 input module wiring diagram" on page 218.
WARNING
The X-ray unit contains live mains voltage parts. Always disconnect the unit
from the mains power line before attempting to service the Input module.
1. Detach all the cables (e.g. power supply cable and exposure switch
cable) from their input module connectors.
2. Unscrew the two M4x16 DIN 7984 attachment screws of the column top
cover with 3 mm Allen key (1) and remove the cover (2).
3. Unscrew the two M4.8x19 torx 7981 attachment screws of the input
module (3) and detach the module (4).
Technical manual