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Symbolic FRUs
28. Perform the following:
29. Replace the clock card (M19).
30. Perform the following:
31. Have you swapped out all the regulators?
32. Perform the following:

DPAC

The two port adapter cable (PN - 21F9345) is the failing item.
This ends the procedure.
534
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
a. Remove load cards Mxx in table below for application. The possible failing
loads are:
Model
840/SB3
b. Power on the system.
Does the system power on?
Yes
No
Go to next failing item.
a. Power off the system.
b. Remove one of the regulator cards that wasn't previously swapped
indicated in this table for the model selection for the SRC that was in steps
1 on page 530 to step 29 that sent you here and install a new one.
Number
1201/1401
840/SB3
1202/1402
840/SB3
1203/1403
840/SB3
1204/1404
840/SB3
1205/1405
840/SB3
1206/1406
840/SB3
1207/1407
840/SB3
c. Power on the system.
Does the system power on?
Yes
No
The regulator you removed in this step is the failing item.
This ends the procedure.
No
Yes
This ends the procedure.
a. Power off the system.
b. Remove the new regulator where installed previously and install the
original regulator.
c. Go to step 30 of this procedure.
Model
Regulator
R1, R2
R4, R5, R6
R6, R7, R8
R9, R10
R21
R22
R23 (Clock card)
Load Position
M19 --clock card
Part Number
21H7763
21H7763
21H7763
21H7763
23L3613
23l3613
23L7654

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