Figure 4: AC line filter cable connections
2. Use a T-10 Torx bit screwdriver to remove the four screws securing the power supply assembly to the chassis. Tighten screws to 0.65
N·m when reinstalling.
3. Remove the power supply assembly from the rear chassis.
4. Disconnect the three power supply cables from the power supply board.
5. To reinstall, reverse the steps. Tighten all T-10 Torx screws to 0.65 N·m when reinstalling. Install new tie down straps (zip ties) if you
removed them during disassembly.
Remove the I/O board
Use this procedure to remove and replace the I/O board.
Prerequisites:
Maintenance
3 Series MDO Mixed Domain Oscilloscope Service Manual
16