AT&T PC 6300 - Replacing Power Supply Unit

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MAINTENANCE
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Replacing Power Supply Unit
1. Turn the System Module and all external devices OFF.
2. Unplug the System Module power cable from the rear panel.
3. Remove the upper System Module cover.
4. Using a screwdriver, push down the metal bar below the
MFD Units assembly and slide the assembly forward to gain
access to the signal and power cables (Figure 5-50).
Figure 5-50. Unlocking the Drive Assembly
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