Did performing steps 23 on page 108 through 25 on page 109 resolve SRC
1xxx1203?
No Go to step 12.
Yes This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostic Information for Multiple Bus Systems.
12. Replace the system backplane assembly.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the Diagnostic
Information for Multiple Bus Systems.
13. Is the SRC 1xxx1204?
No Go to step 15.
Yes Go to step 14.
14. Perform steps 23 on page 108 through 25 on page 109 and then return here.
Did performing steps 23 on page 108 through 25 on page 109 resolve SRC
1xxx1204?
No Go to step 15.
Yes This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostic Information for Multiple Bus Systems
15. Is the SRC 1xxx1205?
No Go to step 19 on page 108.
Yes Go to step 16.
16. Perform the following:
a. Power off the system.
b. Remove cards M01-M03, M08-M10, M11-M15, and M20-M24.
c. Power on the system.
Does the system power on?
No Go to step 23 on page 108.
Yes Go to step 17.
17. Perform the following:
a. Power off the system.
b. Install one of the Mxx load cards that was removed in step 16.
c. Power on the system.
Does the system power on?
No The last card that was installed in step 17 is failing, replace the failing
card.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostic Information for Multiple Bus Systems.
Yes Go to step 18.
18. Have all the Mxx load cards been installed?
Chapter 3. Maintenance Analysis Procedures 107
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