↓ 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, or “Locations — FC 5079 I/O Tower”
on page 747):
For FC 9074, 9079, 5074, 5079:
v NB1 – Control Panel
v CB1 – Tower Card
v PWR60 – Power Distribution Board (PB1) to Device Board (DB3)
v SIG63 – Control Panel (NB1) to Device Board (DB3)
This ends the procedure.
5. Replace the following (see “Locations — FC 5078, 0578 PCI Expansion Unit”
on page 743):
For SRC 3101 or 3115:
v NB1 – Control Panel
v CB1 – Tower Card
This ends the procedure.
For SRC 3105 or 3116:
v BB1 – part 11K1107 (Fan Contoller Asm.)
v CB1 - Tower Card
This ends the procedure.
6. Is the SRC 3102?
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
v CB1 – Tower Card
This ends the procedure.
7. Is the SRC 3103?
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):
For FC 9074, FC 9079 or FC 5074/5079:
v DB1 – Device Board
v DB2 – Device Board
v DB3 – Device Board
v CB1 – Tower Card
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 547
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