Agilent Technologies 8590L Service Manual page 319

Replacing Major Assemblies
A7 Analog Interface Assembly
Replacement
Serious instrument damage will result if any wire connector is not
CAUTION
installed correctly. A connector can be installed backwards or in the
wrong position. Inspect each connector and make sure it is not damaged
or missing a key plug. Also inspect the A7 assembly for bent connector
pins. Incorrect connector installation is most likely to occur with the
connectors on W12, W35 and W36. See
Figure 7-10 End View of Connectors for W12, W35, and W36
1. Lower the A7 assembly part way into the A7 slot and connect W12,
2. If your 8590L, 8591C, or 8591E has an A7A1 Tracking Generator
To ensure proper installation of the A7 assembly, perform the following:
NOTE
a. Arrange all wiring so that the wires do not press against the A7
b. Align the two tabs on the bottom of the A7 assembly with the slots
c. Avoid bending the pins on the A15 motherboard connector while
d. Align the A7 Analog Interface assembly connector with the A15
320
W13, W34, W35, W36, and W51 (3) to the A7 assembly.
Control assembly, you will need to reconnect the SMA cables to it as
you lower the A7 assembly into the instrument.
assembly.
on the instrument chassis.
positioning the A7 assembly.
motherboard connector carefully.
Figure 7-10.
Chapter 7