Plug-In Assenlbly Installation - HP 3457A Service Manual

Figure 2-8. Connectirig the Wiring Harness
2-30. Plug-In Assembly Installation
2-31. T h e Rear Terminal Assen~bly must be removed, as described in paragraph 2-28, before installing a
Plug-In Assembly. Install the Plug-In Assembly as follows:
a. Connect the H P 3457A wiring harness connector t o the Plug-In Assembly connector as shown in
Figure 2-8.
b. Open the t w o white locking tabs by pulling them away f r o m the circuit board. Notice that each
locking t a b has a cletent which tends t o hold it in the closed position.
c. Position the Pli~g-ln Assembly with the component side of the printed circuit board facing down.
Slide the Plug-ln Assembly into the guides in the rear
01'
the H P 3457A. Firmly push the assembly into
the H P 3457A until it stops.
d. Close the t w o white locking tabs by pressing them flat against the circuit board. As the locking tabs
a r e closed, t h e Plug-ln Assembly is is pushed into the slot. This action locks the assembly into place
and engages the assen~bly's connector with the connector in the t I P 3457A.
e. Calibrate t h e Pl~lg-111 Assembly using the appropriate procedure in Section V of this manual.