Tektronix TLA 714, Service Manual

Page: 82 / 159

Removal and Installation Procedures
TLA 714 Color Portable Mainframe Service Manual
4–35
6. Do the Left Side Cover installation procedure, page 4–22.
Refer to the TLA 700 Series Performance Verification and Adjustment manual
for post-repair calibration procedures.
Main Memory
You will need a screwdriver with a size T-15 Torx tip to perform this procedure.
Use the following procedure to remove the RAM:
1. Locate the SO DIMM module in the locator diagram Internal parts,
Figure 4–17 on page 4–34.
2. Set the mainframe so the bottom is on the work surface and the left side
faces you.
3. Do the Left Side Cover removal procedure, page 4–21.
4. Remove the two screws securing the EMI shield to the chassis, and then lift
off the EMI shield.
5. Press outward on the clips holding each SO DIMM module to the controller
board, and then lift off the module board.
Use the following procedure to install new SO DIMM module(s):
CAUTION.
SO DIMM modules must have gold plated contacts.
Use of SO DIMM modules that do not have gold plated contacts will result in
eventual failure of the SO DIMM module.
Always use SO DIMM modules with gold plated contacts.
1. Insert the new SO DIMM module. Press down gently until the clips that hold
the modules to the controller board snap into place.
2. Reposition the EMI shield, and then insert the two screws that secure it to
the chassis.
3. Do the Left Side Cover installation procedure, page 4–22.
Removal
Installation