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Maintenance
6–18
TDS3000 Series Service Manual
Green wire
(ground
conductor)
Blue wire
Black wire
Line power
conductor
Power supply board
Green wire
Line filter
Figure 6–9: Installing the line filter and line power cable
2. Insert the line filter into the rear chassis and secure it with two screws. The
ground conductor should face the bottom of the instrument. See Figure 6–9.
3. Connect the line power cable to the line filter and the tab on the rear chassis.
See Figure 6–9.
4. Thread the external power cable through the square hole in the rear chassis
and snap the external power jack into place. Insert the key into the slot for
correct alignment.
5. Attach the power supply to the rear chassis with two screws. The fuse side of
the power supply board should face the line filter.
6. If you installed a new power supply, attach the power supply bracket to the
power supply with two screws. The snap post on the bracket should be on
the side of the power supply that is opposite the fuse.
7. Attach the AC line power cable to the power supply.