No Yes
↓ Replace the following using the appropriate Locations and Failing
Items Table for the Model/Feature Code you are working on (see
either Table 41 on page 710, Table 42 on page 720, “Locations — FC
5074 I/O Tower” on page 736, “Locations — FC 5079 I/O Tower” on
page 747):
v DB3 – Device Board
v CB1 – Tower Card
This ends the procedure.
14. Is the SRC 3113?
No Yes
↓ Replace the following using the appropriate Locations and Failing
Items Table for the Model/Feature Code you are working on (see
either Table 41 on page 710, Table 42 on page 720, “Locations — FC
5074 I/O Tower” on page 736, “Locations — FC 5079 I/O Tower” on
page 747, or “Locations — FC 5078, 0578 PCI Expansion Unit” on
page 743):
v C08 – HSL I/O bridge
This ends the procedure.
15. Go to “Starting Point for All Problems” on page 4.
16. Is the SRC 3100, 3104, 3105, 3116, or 3118?
No Yes
↓ Replace the following using the appropriate Locations and Failing
Items Table for the Model/Feature Code you are working on. For
location information, see “Locations — FC 5075 I/O Tower” on
page 740 and part number information, see “FC 5075 I/O Tower” on
page 799:
v SB1 – SPCN Card PN 23L8145
This ends the procedure.
17. Is the SRC 3101, 3115, or 311C?
No Yes
↓ Replace the following using the appropriate Locations and Failing
Items Table for the Model/Feature Code you are working on. For
location information, see “Locations — FC 5075 I/O Tower” on
page 740 and part number information, see “FC 5075 I/O Tower” on
page 799:
v NB1 – Control Panel
v SB1 – SPCN Card PN 23L8145
v SIGC01 – SPCN Card (SB1) to Control Panel (NB1)
This ends the procedure.
18. Is the SRC 3102, 3113, or 3114?
No Yes
↓ Replace the following using the appropriate Locations and Failing
Items Table for the Model/Feature Code you are working on. For
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 549
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