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4 Replacement Procedures 4.18 System Board/RTC Battery/DC-IN Jack
4-60 TECRA M1 Maintenance Manual (960-436)
Removing the 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.
PJ8800
PJ8770
PJ1004
PJ1005
DC-IN cable
RTC battery
USB cable
Fan cable
Glass tape
Glass tape
Sensor/Switch board SUMI card
PJ1000
Figure 4-31 Removing the System board/RTC Battery/DC-IN Jack (1)