Tektronix AWG7 1B Series, Руководство по обслуживанию

Страница: 80 / 174

Removal and Installation Procedures
Power Supply You need a screwdriver with a T-15 Torx tip (items 1 and 2).
Removal.
To remove the power supply, follow these steps: (See Figure 4-12
on page 4-27.)
1. Remove the handle unit, snaps, cosmetic covers, front-trim unit, EMI covers,
hard disk assembly, drive-bay module, and Multi-Input/Output board.
2. Orient the instrument so that the bottom is on the work surface.
3. Remove the six screws securing the power supply bracket to the chassis.
4. Disconnect the cable from J611 on the Power board.
5. Remove the three screws securing the bracket to the power supply.
6. Carefully slide the module to loosen it from the Power board.
7. Lift the power supply up out of the chassis.
8. Lift the bracket up out of the chassis.
Installation. To install, reverse this procedure.
RFI Filter
You need a screwdriver with a T-15 Torx tip (items 1 and 2).
Removal.
To remove the RFI fi lter, follow these steps: (See Figure 4-12 on
page 4-27.)
1. Remove the handle unit, snaps, cosmetic covers, and EMI covers.
2. Orient the instrument so that the bottom is on the work surface.
3. Disconnect the cable from J600 on the Power board.
4. Remove the two screws securing the ground leads to the chassis.
5. Remove the two screws securing the RFI fi lter to the chassis.
6. Pull the RFI fi lter away from the chassis.
Installation.
To install, reverse this procedure.
4–26 AWG7000B and AWG7000C Series Service Manual