Keysight E8257D/67D - Self-Tests 6 Xx: A9 YIG Driver Self-Test Errors

E8257D/67D, E8663D PSG Signal Generators Service Guide
Troubleshooting
Troubleshooting Assembly–Level Problems
1-37
Self–Tests 6xx: A9 YIG Driver Self–Test Errors
Before proceeding to the reported self–test error code, check the following voltages. If any are out of specification,
troubleshoot the supply problem first.
Supply
Volt age
(Vdc)
Connector Pins Minimum
Value
(Vdc)
Maximum
Value
(Vdc)
Origin
+32 P112–6 +31.04 +32.96 Main Supply
+15 P112–5, 30 +14.55 +15.45 Main Supply
–15 P112–4, 29 –14.55 –15.45 Main Supply
+5.2 P112–3, 28 +5.04 +5.37 Main Supply
+10 P112–15, 16, 40 +10 +10.4 Main Supply
–7 P112–11, 12, 13, 14, 38 –6.86 –7.14 Main Supply
+5.2 Digital high P111–64, 65, 129, 130 +5.04 +5.36 Main Supply
+3.4 Digital Low P111–60, 61, 62, 63, 125, 126, 127, 128 +3.29 +3.5 Main Supply