Processor Subsystem DCA (Distributed Converter Assembly) Books
and DCA Blanks
Removal
The following safety notice applies to power-related field replaceable units.
DANGER
Do not attempt to open the covers of the power supply. Power supplies are not serviceable and
are to be replaced as a unit.
D02
1. Locate the DCA to be replaced.
2. Note the state of the DCA LED.
3. Press the green
Start Service
button on the UEPO switch.
4. Proceed only if
all
the DCA’s LEDs go off or the repair has been scheduled (System outage - EPO
off),
5. Loosen the upper and lower fasteners, using the torque tool (part number 6422789), alternating
between the fasteners until the unit can slide out of the slot.
6. Grasp both sides of the DCA and pull it out of the drawer.
Replacement
1. Carefully slide the DCA into the slot as far as possible (the back edge of the top of the DCA is about
0.25 inch from the cage bracket).
Note:
Do not force the DCA against the backplane, as this may damage the connector.
2. Hold the upper part of the DCA against the backplane, and use the torque tool to engage the upper
fastener about two turns into the cage bracket.
3. Repeat the previous step for the lower fastener.
4. Alternate tightening the upper and lower fasteners until both are fully torqued in.
5. Check torque on both fasteners.
6. Plug all cables into their correct location in the DCA.
7. Press the white
Service Complete
button on the UEPO switch to indicate completion of this
procedure.
Chapter 9. Removal and Replacement Procedures
797
Summary of Contents for pSeries 670
Page 1: ...pSeries 670 Service Guide SA38 0615 03 ERserver...
Page 2: ......
Page 3: ...pSeries 670 Service Guide SA38 0615 03 ERserver...
Page 12: ...x Eserver pSeries 670 Service Guide...
Page 16: ...xiv Eserver pSeries 670 Service Guide...
Page 18: ...xvi Eserver pSeries 670 Service Guide...
Page 324: ...Yes Go to Step 154A 14 on page 302 304 Eserver pSeries 670 Service Guide...
Page 718: ...698 Eserver pSeries 670 Service Guide...
Page 848: ...L3 Cache Shorts Test Step 4 828 Eserver pSeries 670 Service Guide...
Page 849: ...L3 Cache Shorts Test Step 5 Chapter 9 Removal and Replacement Procedures 829...
Page 851: ...L3 Cache Shorts Test Step 2 Chapter 9 Removal and Replacement Procedures 831...
Page 853: ...L3 Cache Shorts Test Step 4 Chapter 9 Removal and Replacement Procedures 833...
Page 854: ...L3 Cache Shorts Test Step 5 834 Eserver pSeries 670 Service Guide...
Page 971: ...7040 Model 671 Media Subsystem 1 2 3 4 5 6 7 8 9 10 Chapter 10 Parts Information 951...
Page 973: ...Power and SCSI Cables to the Media Subsystem 1 2 3 5 4 6 Chapter 10 Parts Information 953...
Page 986: ...966 Eserver pSeries 670 Service Guide...
Page 990: ...970 Eserver pSeries 670 Service Guide...
Page 1018: ...998 Eserver pSeries 670 Service Guide...
Page 1020: ...1000 Eserver pSeries 670 Service Guide...
Page 1028: ...1008 Eserver pSeries 670 Service Guide...
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