Tektronix TLA5201, Service Manual, Page: 98 / 141

Removal and Installation Procedures
TLA5000 Series Service Manual
6- 29
Mother Board
1.
Remove all the trim, top-right cover, and bottom covers.
2. Remove the floppy disk drive assembly.
3. Set the instrument so its bottom is down on the work surface and the back is
facing you.
4. Remove the power supply.
NOTE
. The Mother board and rear chassis is removed as one assembly.
5. Remove the eight T-15 Torx-drive screws that secure the Mother board
assembly to the side of the chassis, see Figure 6--16, on page 6--30.
NOTE
. You only need to separately remove the cord-wrap post if you plan to
replace the sheet metal and reuse the posts. If you do plan to replace the sheet
metal, then remember that it has stickers with important information on it such
as the serial #, option label and safety data.
6. Disconnect the four cables and from the Mother board assembly.
7. Carefully lift the assembly out of the chassis.
8. Disconnect the remaining two cables at the bottom of the assembly.
9. Set the Mother board assembly so the bottom is down on the work surface
and the connector panel is facing you.
10.
Remove the six jack screws that secure the Mother board connectors to the
connector panel of the rear chassis.
11. Remove the six T-15 Torx-drive screws that secure the Mother board to the
rear chassis.
12. Carefully lift the Mother board out of the rear chassis.
13. To reinstall the Mother board do steps 1 through 12 in reverse order. Tighten
the T-15 Torx-drive screws to 8-in lbs.