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Troubleshooting
Troubleshooting Assembly–Level Problems
Self–Tests 4xx: A8 Output Self–Test Errors
Before proceeding to the reported self–test error code, check the following voltages. If
any voltages are out of specification troubleshoot the supply problem first.
400 Lowband Ground and PTAT Test
•Replace A8 Output.
Supply Voltage
(Vdc)
Connector Pins Minimum Value
(Vdc)
Maximum Value
(Vdc)
Origin
+15 P52-6, 21 +14.55 +15.45 Main Supply
−15
P52-2, 17
−15.45 −14.55
Main Supply
+5.2 P52-14, 29 +5.04 +5.36 Main Supply
+9 P52-5, 20 +8.82 +9.18 YIG Driver
−6
P52-3, 18
−6.12 −5.88
YIG Driver