Front Panel Troubleshooting - Agilent Technologies E8362C Service Manual

Troubleshooting

Front Panel Troubleshooting

Front Panel Troubleshooting
The front panel assembly consists of the A1 keypad, the A2 display assembly, the A3 front panel interface
board, the touchscreen and touchscreen controller board, the inverter board, and the USB board. The
following tests verify the operation of the front panel assembly when the analyzer is in the measurement
mode. If the instrument fails to power up correctly, or it is difficult to verify due to a faulty display, refer to
"Power Up Troubleshooting" on page
Refer to the following sections to verify the operation of the noted assemblies.
• "Front Panel Keypad and RPG Test" on page 4-13
• "A2 Display Test" on page 4-15
• "Checking the USB Board" on page 4-16
• "A3 Front Panel Interface Board" on page 4-16
If all assemblies are working correctly, continue troubleshooting with
page 4-17.
4-12
4-6.
PNA Series Microwave Network Analyzers
E8362C, E8363C, E8364C
"Rear Panel Troubleshooting" on
Service Guide E8364-90038