Daughter Boards - Tektronix TLA7N Series Service Manual

Daughter Boards

Removal
TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
7. Slide the rear panel on the chassis and install the two rear panel T-10
Torx-drive screws.
8. Install the two remaining T-10 Torx-drive screws nearest the rear of the
module (one on each side of the cover).
9. Check and tighten all screws to 4 in lbs.
You will need a screwdriver with a size T-10 Torx tip to replace daughter boards,
if applicable. It is not necessary to remove the local processor unit board to
access the daughter boards.
The number of daughter boards in your module depends on the number of
channels it contains:
H 136-channel modules contain two daughter boards
H 102-channel modules contain one daughter board
H 68- and 34-channel modules do not contain daughter boards
See Figure 6- -5, on page 6- -12, for an example of a 136-channel module that
contains two daughter boards.
NOTE. Refer to Table 6- -8 on page 6- -38 and Table 6- -9 on page 6- -39 to
determine the proper procedures to perform post-repair adjustments and to
verify proper operation of the logic analyzer module.
Use the following procedure and Figure 6- -5 to remove the daughter boards.
1. Perform the Cover removal procedure (see page 6- -7).
2. Remove the two T-10 Torx-drive screws that secure each EMI bracket and
daughter board to the acquisition board.
3. Lift the daughter board straight up to disconnect it from the acquisition
board connector.
Removal and Installation Procedures
6- 11