Yes Go to step 6.
6. Repeat step 5 on page 110 until a new regulator assembly has been installed in all
possible positions. Then continue with the next step.
7. Exchange the following FRUs, one at a time, until the problem is corrected:
a. SPCN card
b. System backplane assembly
If the system has the same SRC after exchanging all the FRUs in this procedure,
ask your next level of support for assistance.
This ends the procedure.
8. Do you have an SRC other than a regulator SRC?
No Go to 9.
Yes A different SRC or reference code occurred. Use the new SRC or
reference code and go to “Entry MAP” on page 79.
9. Perform the following:
a. Power off the system.
b. Install one of the cards you removed in step 2 on page 110.
c. Power on the system.
Does a regulator SRC occur?
No Go to 10.
Yes Power off the system.
Exchange the last card installed.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostic Information for Multiple Bus Systems.
10. Repeat step 9 until all of the cards have been installed.
If a regulator SRC exists after completing this procedure, ask your next level of
support for assistance.
This ends the procedure.
Chapter 3. Maintenance Analysis Procedures 111
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