Tektronix TLA 714, Service Manual

Page: 83 / 159

Removal and Installation Procedures
4–36
TLA 714 Color Portable Mainframe Service Manual
Backplane Board
You will need a screwdriver with a size T-15 Torx tip to perform this procedure.
Use the following procedure to remove the backplane board:
1. Remove all modules installed in the portable mainframe.
2. Locate the backplane board in the locator diagram Internal parts, Fig-
ure 4–17 on page 4–34.
3. Do the Controller Board removal procedure, page 4–33.
4. Remove the seven remaining screws that secure the backplane board to the
chassis.
5. Pull on the edges of the board nearest the front and rear surfaces of the
mainframe to remove the backplane board from the chassis.
6. Detach cable J500.
Use the following procedure to reinstall the backplane board:
1. Reattach cable J500.
2. Reposition the backplane board, and insert the screws that secure the
backplane board to the chassis.
3. Do the Controller Board installation procedure, page 4–34.
4. Reinstall any modules removed from the portable mainframe.
Front Panel Control Board
You will need a screwdriver with a size T-15 Torx tip and a flat-bladed screw-
driver or other small prying tool to perform this procedure.
Use the following procedure to remove the front panel control board:
1. Locate the front panel control board in the locator diagram Front panel
control assembly parts locations, Figure 4–18 on page 4–37.
2. Do the Front Panel Control Assembly removal procedure (page 4–15).
3. Remove the knobs from the front of the front panel control assembly.
4. Detach the glidepoint cable at J100.
Removal
Installation
Removal