4-16
Service Guide E8364-90038
Troubleshooting
PNA Series Microwave Network Analyzers
Front Panel Troubleshooting
E8362C, E8363C, E8364C
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
“Replacing the USB Connector
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
, then
, then
.
•
Click on the
Sounds and Audio Devices
entry. Follow the normal Windows procedure to check the sound
drivers and volume. If the audio is still not heard, suspect a faulty speaker. Refer to
“Replacing the A3
Front Panel Interface Board” on page 7-14
.
Checking the Operation of the Key Pad Commands
To verify the key pad functionality, refer to
“Front Panel Keypad and RPG Test” on page 4-13
.
Checking the Display
To verify the display functionality, refer to
“A2 Display Test” on page 4-15
.
System
Configure
Control Panel
...
Summary of Contents for E8362C
Page 11: ...Service Guide E8364 90038 1 1 1 Safety and Regulatory Information ...
Page 21: ...Service Guide E8364 90038 2 1 2 General Product Information ...
Page 33: ...Service Guide E8364 90038 3 1 3 Tests and Adjustments ...
Page 81: ...Service Guide E8364 90038 4 1 4 Troubleshooting ...
Page 137: ...Service Guide E8364 90038 5 1 5 Theory of Operation ...
Page 171: ...Service Guide E8364 90038 6 1 6 Replaceable Parts ...
Page 257: ...Service Guide E8364 90038 7 1 7 Repair and Replacement Procedures ...
Page 341: ...Service Guide E8364 90038 8 1 8 General Purpose Maintenance Procedures ...