Tektronix DSA8300, Service Manual

Page: 78 / 138

Removal and Installation
Power Side Board 1. To access the Power Side board, remove these assemblies:
Right side trim (See page 4-9.)
Bottom cover (See page 4-10.)
Right cover (See page 4-10.)
2. To remove the Power Side board:
a. Set the instrument with the bottom down on the work surface and the
right side facing you.
b. Pull the Side Power board our far enough so that you can reach the cables
on the inside-facing front side of the board. Pull the board straight out,
disconnecting it carefully from the Low-Voltage Power Supply and the
Power PC board. (See Figure 5-3 on page 5-9.)
c. Disconnect all of the cables from the Power Side board.
d. Remove the Side Power board completely from the instrument.
3. To replace the Power Side board: Reverse the steps. Refer to the cable
connections table for information about where to connect cables. (See
Table 5-1.) Be careful to align the connectors on the Side Power board with
the connectors on the Low-Voltage board and the Power PC board.
NOTE.
Make sure that the connectors on J11, J12, and J13 are fully seated and
that the latches are engaged.
Reconnect the Power Side board to the Power PC board and the Low-Voltage
Power supply carefully, making sure that all of the pins match up with the
connectors and are fully seated.
Bridge Board
1. To access the Bridge board, remove these assemblies:
Trim (all) (See page 4-9.)
Left cover (See page 4-10.)
CD-RW/DVD and Hard Drive mounting frame (See page 4-24.)
2. To remove the Bridge board: (See Figure 4-15 on page 4-32.)
a. Set the instrument with the bottom down on the work surface.
b. Disconnect the cables from the Bridge board.
c. Lift the Bridge board up and out from the chassis.
3. To reinstall the Bridge board: Reverse the steps. Refer to the cable
connections table for information about where to connect cables. (See
Table 5-1.) Make sure that the cables are fully seated.
4–30 DSA8300 Digital Serial Analyzer and Modules Service Manual