DC controller PCA only

NOTE: Use the following procedure to replace only the DC controller PCA. To access components behind the DC controller, remove the PCA and the sheet-metal backing tray. See DC controller PCA and tray on page 161.

Before proceeding, remove the following components:

Upper-left cover. See Upper-left cover on page 96.

Power-supply cover. See Power-supply cover on page 98.

Rear-top cover. See Rear-top cover on page 102.

Rear cover. See Rear cover on page 112.

Interconnect board (ICB). See Interconnect board (ICB) on page 153.

Remove the DC controller PCA only

CAUTION: ESD-sensitive part.

NOTE: To locate DC controller connector locations, see DC controller connector locations on page 281.

1.Disconnect all the connectors. There are 32 connectors in all.

Reinstallation tip The connector locations J101, J102, J106, and J154 are not used.

Figure 2-128Remove the DC controller PCA only (1 of 2)

ENWW

Internal assemblies 155

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Image 187
HP Enterprise CC490A manual Remove the DC controller PCA only