12. Remove four screws (callout 1) from the low-voltage power supply PCA, and remove the PCA from the
assembly.
Figure 1-112 Remove the low-voltage power supply assembly and support frame (10 of 10)
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Install a replacement low-voltage power supply
Gently release two tabs (callout 1) and remove the support frame (callout 3) from the low-voltage power
supply (callout 2). Install the support frame on the replacement assembly.
Figure 1-113 Install a replacement low-voltage power supply
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2
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ENWW Removal and replacement procedures 77
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