Troubleshooting
Troubleshooting Assembly Level Problems
1-24
Self-Tests 2xx: A5 Sampler Self-Test Errors
Figure 1-2
Before proceeding to the reported self-test error code, check the voltages in Table1-17. If any
voltages are out of specification troubleshoot the supply problem first.
200 Power Supply
1. If the supply voltages are good on the connector pins indicated, replace the A5 Sampler.
2. If the supply voltages are bad on any of the connector pins indicated, check the origin of the supply.
3. If the supply voltages are good at the origin, replace the A31 Motherboard.
4. If the supply voltages are bad at the origin, troubleshoot the problem using that assembly’s
Table 1-17
Supply
Voltage
(Vdc)
Connector
Pins
Minimum
Value
(Vdc)
Maximum
Value
(Vdc)
Origin
+32 P22-7 +31.04 +32.96 Main Supply
+15 P22-6, 21 +14.55 +15.45 Main Supply
-15 P22-2, 17 -14.55 -15.45 Main Supply
+5.2 P22-14, 29 +5.04 +5.37 Main Supply
+9 P22-5, 20 +8.82 +9.18 YIG Driver
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