Self-Tests 3Xx: A7 Reference (Standard) Self-Test Errors - Agilent Technologies PSG Series Service Manual

Troubleshooting
Troubleshooting Assembly Level Problems

Self-Tests 3xx: A7 Reference (Standard) Self-Test Errors

Figure 1-3
Before proceeding to the reported self-test error code, check the voltages in Table1-18. If any of
the voltages are out of specification troubleshoot the supply problem first.
Table 1-18
Supply
Voltage
(Vdc)
300 1 GHz Detector
1. Check and remove any connection to the 10 MHz external reference on the rear panel.
2. If the signal generator continues to fail self-test, replace the A7 Reference.
301 Tuning Voltage
1. Replace the A7 Reference.
1-26
Connector
Pins
+32 P102-7
+15 P102-6, 21
-15 P102-2, 17
+5.2 P102-14, 29
+9 P102-5, 20
Minimum Maximum
Value Value
(Vdc) (Vdc)
+31.04 +32.96
+14.55 +15.45
-14.55 -15.45
+5.04 +5.37
+8.82 +9.18
Origin
Main Supply
Main Supply
Main Supply
Main Supply
YIG Driver