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Troubleshooting
Troubleshooting Assembly–Level Problems
Self–Tests 12xx: A26 MID Self–Test Errors
Before proceeding to the reported self–test error code, check the following voltages in. If
any of these voltages are out of specification troubleshoot the supply problem first.
Supply
Voltage
(Vdc)
E8267C
Connector
Pins
All Other Models
Connector
Pins
Minimum
Value
(Vdc)
Maximum
Value
(Vdc)
Origin
+32 P201-11 P201-1 +31.04 +32.96 Main Supply
+15 P201-12, 13, 14 P201-2, 3, 4 +14.55 +15.45 Main Supply
–15 P201-21, 22 P201-11, 12 –15.45 –14.55 Main Supply
+5.2 P201-7, 8, 9, 10, 23, 24, 25, 26, 27, 28 P201-13, 14, 15, 16, 17, 18 +5.04 +5.36 Main Supply
+10 P201-15, 16, 17, 18, 19, 20 P201-5, 6, 7, 8, 9, 10 +9.7 +10.3 Main Supply
+8 P201-39 P201-29 +7.5 +8.5 MID
–7 P201-40, 43, 56 N/A –7.21 –6.79 Main Supply
–5.2 P201-41, 42 P201-31, 32 –5.36 –5.04 YIG Driver
+5.2 Digital high P201-33 P201-23 +5.04 +5.36 Main Supply
+3.4 Digital Low P201-34 P201-24 +3.3 +3.5 Main Supply