HP 3457A Service Manual page 40

Installation
3457A
Figure 2-8. Connecting the Wiring Harness
2-30. Plug-In Assembly Installation
2-31. The Rear Terminal Assembly must be removed, as described in paragraph 2-28, before installing a
Plug-In Assembly. Install the Plug-In Assembly as follow
2-8
a. Connect the HP 3457A wiring harness connector to the Plug-In Assembly connector as shown in
Figure 2-8.
b. Open the two white locking tabs by pulling them away from the circuit board, Notice that each
locking tab has a detent which tends to hold it in the closed position
c. Position the Plug-In Assembly with the component side of the printed circuit board facing down,
Slide the Plug-In Assembly into the guides in the rear of the HP 3457A. Firmly push the assembly into
the HP 3457A until it stops.
d. Close the two white locking tabs by pressing them flat against the circuit board. As the locking tabs
are closed, the Plug-In Assembly is is pushed into the slot. This action locks the assembly into place
and engages the assembly's connector with the connector in the HP 3457A.
e, Calibrate the Plug-In Assembly using the appropriate procedure in Section V of this manual,
To remove the Plug-In Assembly, simply open the white locking tabs. This releases
the locking mechanism and pulls the assembly out of the mainframe connector.