Front Panel Troubleshooting; Front Panel Keypad And Rpg Test - Keysight Technologies N5221A Service Manual

Troubleshooting

Front Panel Troubleshooting

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
on page
Refer to the following sections to verify the operation of the noted assemblies.
—
—
—
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If all assemblies are working correctly, continue troubleshooting with
Panel 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
A Front Panel Key Test Utility dialog box will be displayed, as shown in
4-4.
4-16
4-8.
"Front Panel Keypad and RPG Test"
"A3 Display Test" on page 4-19
"Checking the A2 USB Board" on page 4-19
"A1 Front Panel Interface Board" on page 4-20
, then
System
"Power Up Troubleshooting"
on this page
4-21.
, then , then
Service More
Keysight N5221A/22A Service Guide
"Rear
.
Front Panel Test
Figure