Removing the System Board/RTC Battery/DC-IN Jack

4.18 System Board/RTC Battery/DC-IN Jack

To remove the system board/RTC battery/DC -IN jack, follow the steps below and refer to figures 4-31 to 4-33.

1.Disconnect the sensor/switch board SUMI card from PJ1000 on the system board.

2.Disconnect the DC-IN cable from PJ8800 on the system board.

3.Disconnect the RTC battery cable from PJ1005 on the system board and remove the RTC battery.

4.Remove the glass tape securing the USB cable. Then disconnect the USB cable from PJ1004 on the system board.

5.Remove the glass tape securing the fan cable. Then disconnect the fan cable from PJ8770 on the system board.

	DC-IN cable	PJ8800
Sensor/Switch board SUMI card	DC-IN cable
Sensor/Switch board SUMI card
		PJ1005
PJ1000		RTC battery
PJ8770		RTC battery
PJ8770
Glass tape

USB cable

Fan cable

Glass tape

PJ1004

Figure 4-31 Removing the System board/RTC Battery/DC-IN Jack (1)

4-60	TECRA M1 Maintenance Manual (960-436)