A15 Primary Regulator
A27 Post-Regulator Board
Assembly
Table 5-3
Troubleshooting Procedures
The troubleshooting procedures in this chapter are listed below:
•
"A15 Primary Regulator Board Assembly" on page 5-7
•
"A27 Post-Regulator Board Assembly" on page 5-7
•
"Self-Test Indicators" on page 5-9
•
•
•
•
Use a digital voltmeter to check the voltages and an oscilloscope to check for
a maximum ripple level as listed in Table 5-2.
Power Supply Voltages to A15
Nominal Voltage
Test Point
+5.05 Vdc
A15TP1
-5.20 Vdc
A15TP2
+14.85 Vdc
A15TP3
-14.85 Vdc
A15TP6
(Option 007, Only)
Use a digital voltmeter to check the voltages and an
oscilloscope to check for a maximum ripple level as listed in Table 5-3.
Power Supply Voltages to A27
Nominal Voltage
Test Point
+5.0 Vdc
A27TP1
-3.50 Vdc
A27TP2
Troubleshooting the Test Set
Troubleshooting Procedures
Voltage Range
Maximum Ripple
Peak-to-Peak
+4.75 to +5.25
-4.90 to -5.50
+14.10 to +15.60
-14.10 to -15.60
Voltage Range
Maximum Ripple
Peak-to-Peak
+4.75 to +5.25
-3.26 to -3.75
HP 8517B S-Parameter Test Set Manual 5-7
2 mv
2 mv
2 mv
2 mv
2 mv
2 mv