4-14 Service Guide N5230-90014
Troubleshooting PNA Series Microwave Network Analyzers
Power Up Troubleshooting N5230A
Table 4-3 Inverter Board Troubleshooting Steps
Input
(CN1)
Output
(CN2)
Action
Good Good Replace the display lamp. Refer to “Removing and Replacing the
Display Inverter Board and the Display Lamp” on page 7-12.
Good Bad Replace the inverter. Refer to “Removing and Replacing the Display
Inverter Board and the Display Lamp” on page 7-12.
Bad Bad Refer to “Verifying the A3 Front Panel Interface Board” on page 4-15.