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v Power Supply P03 – part 90H6629
v Power Supply PP1 – part 24L0728
v Power Supply PP2 – part 24L0728
v AC Input / Battery Charger A01 – part 97H7316
This ends the Procedure.

PWRREG

A power regulator card may be failing.
Attention: To avoid thermal damage to other cards when exchanging regulators,
you must put the EMC shield for the CEC regulator in place before powering on
the system.
Perform any SPCN-PIPs before exchanging parts.
Attention: AC power must be removed from the system before removing or
installing regulator 3.
Note: The C in the SRC (1xxC xxxx) indicates the problem is on the system
processor Frame.
Perform the following to determine the part number for the failing power
regulator:
1. Is the SRC 1xxC xxxx?
Yes
No
Go to step 6 on page 574 of this procedure.
2. Find the URC in the following table and exchange the part that is listed for
the system Unit. If the URC is not listed in this table go to step 3 on page 574
of this procedure.
URC
1108, 1308
1109, 1309
110B, 130B
110C, 130C
110D, 130D
110E, 1308E
110F, 130F
1110, 1310
1111, 1311
1112, 1312
111B, 131B
111C, 131C
111D, 131D
111E, 131E
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
System Unit URCs
Location
R01
R02
R04
R05
R06
R07
R08
R09
R10
R11
R20
M04
M07
M19
Symbolic FRUs
Part number
21H7763
21H7763
21H7763
21H7763
21H7763
21H7763
21H7763
21H7763
21H7763
21H7763
21H7763
23L3613
23L3613
04N5763
573

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