Rear Panel Troubleshooting - Agilent Technologies E8362A Service Manual

PNA Series Microwave Network Analyzers
E8362A, E8363A, E8364A

Rear Panel Troubleshooting

Each rear panel connector is associated with a hardware group in the analyzer. You can
use the data at these rear panel connectors to help troubleshoot these hardware groups in
addition to testing the connectors.
The connectors discussed in this section are:
• USB
• SERIAL (RS-232)
• PARALLEL (1284-C)
• VGA
• GPIB
• LAN
Checking the USB Port
To verify proper operation of the USB port:
• Connect a known good USB device, such as a USB mouse.
• Wait 15 seconds for the analyzer to verify the device connection, and then check the
operation of the USB device.
• If the device performs correctly, the USB port is functioning properly.
• If the device does not perform correctly, the A15 CPU board is faulty. Refer to
"Removing and Replacing the A15 CPU Board" on page
Checking the SERIAL (RS-232), PARALLEL (1284-C), or VGA Port
To verify the proper operation of the SERIAL, PARALLEL, or VGA port:
• Connect a known good serial, parallel, or VGA peripheral device.
• Wait 15 seconds for the analyzer to verify the device connection, and then check the
operation of the peripheral device.
• If the peripheral device performs correctly, the port is functioning properly.
• If the peripheral device does not function properly, the A15 CPU board is faulty. Refer to
"Removing and Replacing the A15 CPU Board" on page
Service Guide E8364-90001
Troubleshooting
Rear Panel Troubleshooting
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