Siemens 7482255 Rev 01 Page 47 of 52
October 2002
Chapter 4 - Removing and Replacing Spare Parts
11.0 Removing and Installing the Power Module
Use the instructions provided in this section to remove and install the power
module. Replacement of the power module requires approximately 10 minutes.
11.1 Tools Required
Use a number 2 Phillips screwdriver to perform these procedures.
11.2 Removing the Power Module
1. Turn off the system and unplug the power cable from the wall outlet.
2. Loosen the two captive screws from the upper side of the rear cover and
remove the cover.
3. Loosen the two captive screws from the lower rear panel and remove the
panel.
4. Pull the upper side of the rear cover toward you carefully.
5. Remove the EMI shielding bracket from the G50 or the G60 S by removing
the four screws shown Figure 4-42.
6. Disconnect the cable that exits from the opening <A> shown in Figure 4-42,
where the A07 PC board can be seen inside the lower frame of the system.
7. Remove the power cover from the lower right of the G50 or the G60 S by
removing two screws.
8. Remove three screws from the bottom frame of the system (Figure 4-43).
!
Warning: The G50 and the G60 S contain hazardous voltages that can range from 90 Vac to
264 Vac. These voltages can cause serious injury or death. Only authorized service personnel
are permitted to remove protective covers and access the energized components of this sys-
tem.
Note: The A07 PC board differs from the A07-1 PCB.
Figure 4-42 Removing the EMI shielding bracket
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