Agilent Technologies E8362B Service Manual page 93

PNA Series Microwave Network Analyzers
E8362B, E8363B, E8364B
Isolate the remaining three assemblies:
• remove the A15 CPU board
• remove the A4 power supply
• This leaves only the A14 system motherboard installed. If the measurements are still
incorrect, this is the suspected faulty assembly.
Table 4-2 Power Supply Voltages and Resistances
Measurement
Location
A
B
C
D
E
F
G
H
Service Guide E8364-90026
Supply Approximate
(Vdc) Resistance (Ω)
+5.0 285
-15.0 12.7 k
-5.0 7.2 k
+9 4.0 k
+15 3.0 k
+22 2.8 k
+22 890
+32 2.6 k
Troubleshooting
Power Up Troubleshooting
4-11