Front Panel Troubleshooting; Front Panel Keypad And Rpg Test - Agilent Technologies N5242A Service Manual

PNA Series Microwave Network Analyzers
N5242A

Front Panel Troubleshooting

The front panel assembly consists of the A1 front panel interface board, the keypad, the
A2 USB board, and the A3 display assembly. 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
Up Troubleshooting" on page
Refer to the following sections to verify the operation of the noted assemblies.
•

"Front Panel Keypad and RPG Test"

• "A3 Display Test" on page 4-15
• "Checking the A2 USB Board" on page 4-16
• "A1 Front Panel Interface Board" on page 4-16
If all assemblies are working correctly, continue troubleshooting with
Troubleshooting" on page
Front Panel Keypad and RPG Test
Test the front panel keypad by running the front panel test. To run the front panel test,
perform the following:
Press UTILITY
System
A
Front Panel Key Test Utility
Figure 4-4 Front Panel Key Test Utility Dialog Box
Service Guide N5242-90001
4-6.
on this page
4-17.
, then Service , then
dialog box will be displayed, as shown in
More , then Front Panel Test
Troubleshooting
Front Panel Troubleshooting
"Power
"Rear Panel
.
Figure 4-4.
4-13