Service Guide E8361-90001 4-9
PNA Series Microwave Network Analyzers Troubleshooting
E8361A Power Up Troubleshooting
Figure 4-3 E8356-60021 Synthesizer/Reference Extender Measurement Points
If All Supply Voltages are Present
If all of the supplies have measured within tolerances, and the instrument still is not
functioning properly, refer to “Rear Panel Troubleshooting” on page 4-21.
Table 4-1 Extender Board Measurement Points
Measurement
Location
Signal Description
Test Equipment Used
1
1. DVM = Digital volt meter
Expected
Level (Vdc)
A power supply DVM +5.0
B power supply DVM −15.0
C power supply DVM −5.0
D power supply DVM +9
E power supply DVM +15
F power supply DVM +15
G power supply DVM +22
H power supply DVM +32