User`s guide

3-3
confirmed otherwise.
• Connectors J1 & J3: J1 is the connector for the lithium reserve battery. J3 is the
connector that routes power and the AC status signal to the GUTC board.
Figure 3-3 illustrates the profile of the power supply board (stock number 1001-0310)
used in 2006 and later. Following this is an electrical block diagram. The primary
difference between the original power supply board and the newer version is the way the
line voltage is selected. See Chapter-2, Section 2.8 about this. Also the location of
some components has moved with respect to the original power supply.
Figure 3-2
1001-0310 Power Supply Circuit Board (2006 and later)