Checking The Usb Board; A3 Front Panel Interface Board - Agilent Technologies E8362C Service Manual

Troubleshooting
Front Panel Troubleshooting

Checking the USB Board

To verify proper operation of the USB board:
• Connect a known good USB device, such as a USB mouse, to a front panel USB port.
• 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 board is functioning properly.
• If the device does not perform correctly, the USB board is faulty. Refer to
Board" on page 7-14.

A3 Front Panel Interface Board

This assembly performs the following functions:
• It routes USB signals between the front-panel USB connector and the A15 CPU board.
• The speaker produces the audio output from signals supplied by the A15 CPU board.
• It routes key pad commands from the keypad to the A15 CPU board.
• It routes display signals from the A15 CPU board to the A2 display assembly.
Checking the Speaker
If no audio is heard:
• Verify that the volume is set correctly and the proper sound driver is loaded; do the following:
— Press UTILITY System
• Click on the
Sounds and Audio Devices
drivers and volume. If the audio is still not heard, suspect a faulty speaker. Refer to
Front Panel Interface Board" on page
Checking the Operation of the Key Pad Commands
To verify the key pad functionality, refer to
Checking the Display
To verify the display functionality, refer to
4-16
, then Configure , then
entry. Follow the normal Windows procedure to check the sound
7-14.
"Front Panel Keypad and RPG Test" on page
"A2 Display Test" on page
PNA Series Microwave Network Analyzers
"Replacing the USB Connector
Control Panel... .
4-15.
Service Guide E8364-90038
E8362C, E8363C, E8364C
"Replacing the A3
4-13.