Agilent Technologies 8590L Service Manual page 266

Figure 5-1 A15 Motherboard Connector Designation
• All connector pins on A9J20 are tied to ground (ACOM).
• The A15J1 connector for the A7 analog interface assembly is
Chapter 5
installed in a position that is reversed when compared to card-cage
connectors A15J3, A15J4, A15J5, and A15J6; therefore, the
pin-numbering order is also reversed for A15J1 when compared to
the card-cage connectors.
Troubleshooting the IF Section
Troubleshooting the A15 Motherboard Assembly
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