Routine Checks and Maintenance
9-57SA6 Manual
C53000-G1176-C133-1
o Carefully pull off the front panel and bend it aside. The front panel is connected to the
internal CPU printed circuit board with a short ribbon-cable.
o Disconnect the ribbon-cable that links the front panel and the CPU board (¯), at the
side of the front panel. To disconnect the cable, push up on the top latch of the plug
connector and push down on the bottom latch of the plug connector. Carefully set
aside the front panel.
o The battery is located on the bottom-front side of the CPU (¯) board. See Figure 9-1.
Figure 9-1 Front view without front panel – position of buffer battery (simplified and re-
duced)
Caution!
Electrostatic discharges through the connections of the components, wiring, and con-
nectors must be avoided. Wearing a grounded wrist strap is preferred; otherwise,
touch a grounded metal part before handling the internal components.
Warning!
Hazardous voltages may exist in the device, even after the power supply is discon-
nected and the boards are withdrawn from the case! Capacitors can still be charged!
¯ Processor board CPU
° Input/output board I/O
¯
Slot 5 Slot 19
G1
+
–
°
Battery
Battery grip
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