Tektronix TPS2000 Series, Руководство по обслуживанию, Страница: 76 / 106

Maintenance
6--14
TPS2000 Series Digital Storage Oscilloscopes Service Manual
You will need a torque-limiting Torx T-15 long-shank screwdriver, a flat-blade
screwdriver, and a 16 mm (5/8 inch) deep socket for this procedure.
CAUTION.
The acquisition board is particularly sensitive to ESD. Read the
Preventing ESD section on page 6--1 before removing or installing the
acquisition board.
Removal. To remove the acquisition board , refer to Figure 6--5 on page 6--15 and
follow these steps:
1.
Remove the rear case. Follow the procedure on page 6--7.
2.
Remove the BNC cover by prying up on the exposed edge. See Figure 6--5
on page 6--15.
3.
Use the 16 mm (5/8 inch) deep socket to remove the nuts from the BNC
connectors.
4.
Remove the plastic BNC shells from the BNC connectors. Grasp the BNC
shell with your fingers and pull up to remove the shell. See figure 6--5.
5.
Remove the IO board. Follow the procedure on page 6--10.
6.
Disconnect the display data cable at J201.
7.
Remove the six screws that secure the acquisition board to the chassis.
8.
Use the flat-blade screwdriver to pull up on the edge of the board and unseat
the connection between the acquisition board and the compact flash board.
See Figure 6--5.
9.
Lift up the acquisition board to unseat the connection between the acquisition
board and compact flash board; then remove the acquisition board.
Installation.
To install the acquisition board, refer to Figure 6--5 and follow these
steps:
1.
Position the acquisition board over the chassis mounting tabs and align the
feedthrough connector on the front-panel and compact flash boards.
2.
Push down to seat the connector.
3.
Install the six screws that attach the acquisition board to the chassis.
4.
Connect the display data cable at J201.
5.
Install the IO board.
Acquisition Board