User Guide

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.
M2.5x4B
THIN BIND
Modem Jack
DC-IN Jack Cable
RTC Battery
PJ8800
PJ3502
PJ4100
PJ3021
PJ8490
M2.5x4B
THIN BIND
PJ4610
Connector Board Cable
USB I/F Cable
PJ5640
LAN Jack
System Board
Figure 4-31 Removing System Board (2)
Satellite A50/TECRA A2 Maintenance Manual (960-478) 4-43