Low-voltage power supply
Before proceeding, remove the following components:
●
Formatter. See
Formatter PCA on page 175.
●
Right-rear cover. See
Right-rear cover on page 198.
●
Left cover. See
Left cover on page 200.
●
Rear cover and upper-rear cover. See
Rear cover and upper-rear cover on page 209.
NOTE: It is not necessary to separate the upper-rear cover from the rear cover to remove the
low-voltage power supply.
●
Interconnect board (ICB). See
Interconnect board (ICB) on page 238.
NOTE: Removing the ICB as a separate component is only necessary if you are replacing the
power supply. If you are removing the power supply for internal product access, it is recommended
that you leave the ICB installed on the power supply assembly.
NOTE: The formatter cage is attached to the LVPS. Remove both components as an assembly. You
can then remove the formatter cage from the LVPS.
Remove the low-voltage power supply
CAUTION: ESD-sensitive part.
1. Disconnect six connectors (callout 1; J100, J101, J143 on the DC controller PCA).
NOTE: To locate DC controller connector locations, see DC controller connector locations
on page 167.
NOTE: If the ICB is removed with the power supply, as noted in the above bulleted list, also
disconnect one FFC (J105) on the DC controller and the connector on the top of the ICB.
Figure 6-126 Remove the low-voltage power supply (1 of 8)
1
ENWW Internal assemblies 243
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