Toshiba Tecra A2-S239 Maintenance Manual - Page 247
System Board/DC-IN Jack/RTC Battery, Replacement Procedures, RTC battery, RTC battery case, LAN jack
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4.15 System Board/DC-IN Jack/RTC Battery 4 Replacement Procedures 2. Take out the RTC battery from the RTC battery case. 3. Push a little the LAN jack and MODEM jack from the outside and raise them to remove from the base assembly. 4. Remove the following screws securing the system board to the base assembly. • M2.5x4B THIN BIND screw x2 5. Unlock the connector and disconnect the connector board cable from the system board. 6. Remove the system board from the edge next to the optical drive position from the base assembly. 7. Disconnect the DC-IN jack cable and USB I/F cable from the back of the system board. 8. Disconnect the RTC battery cable from the connector on the system board. Peel off two glass tapes and disconnect the MODEM cable and the LAN cable. PJ4100 M2.5x4B THIN BIND LAN Jack Modem Jack PJ3021 PJ8490 PJ8800 DC-IN Jack Cable Connector Board Cable PJ3502 PJ5640 M2.5x4B THIN BIND RTC Battery System Board USB I/F Cable PJ4610 Figure 4-31 Removing System Board (2) Satellite A50/TECRA A2 Maintenance Manual (960-478) 4-43