Keysight N5224B/25B Service Guide 4-17
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
.
Refer to the following sections to verify the operation of the noted assemblies.
—
“Front Panel Keypad and RPG Test”
on this page
—
“A3 Display Test” on page 4-20
—
“Checking the A2 USB Board” on page 4-21
—
“A1 Front Panel Interface Board” on page 4-22
If all assemblies are working correctly, continue troubleshooting with
Panel Troubleshooting” on page 4-24
.
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
, then
, then
, then
.
A
Front Panel Key Test Utility
dialog box will be displayed, as shown in
.
System
Service
Diagnostics
Front Panel Test
Содержание N5224B
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Страница 212: ...5 50 Keysight N5224B 25B Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 17 4 Port Receiver Group...
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Страница 608: ...8 102 Keysight N5224B 25B Service Guide General Purpose Maintenance Procedures Correction Constants 8...
Страница 612: ...Appendix 4 Service Guide EEPROM Address Assignments and Location N5224 5A B PNA and N5244 5A B PNA X Instruments...
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