
4 Replacement Procedures 4.15 System Board/DC-IN Jack/RTC Battery
4-48 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
3. Remove the LAN harness and Modem harness from the base assembly.
4. Remove the following screws securing the system board.
? M2.5x4B THIN BIND screw x2
5. [Parallel port board model or Serial port board model] Disconnect the parallel port
cable or serial port cable from the connector CN3502 on the system board.
6. [S-VIdeo board model] Disconnect the S-Video harness from the connector CN5340
on the system board.
7. Remove the system board from the base assembly.
8. Turing over the system board, disconnect the DC-IN harness from the connector
CN8800 and USB harness from the connector PJ4611 on the system board.
9. Disconnect the RTC battery cable from the connector CN9990 on the system board.
10. Peel off glass tapes and disconnect the modem harness and LAN harness.
Figure 4-33 Removing System board
THIN BIND
THIN BIND
or
Seria lport cable
Commenti su questo manuale