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4 Replacement Procedures 4.13 Parallel port board / Serial port board / S-Video board
4.13.2 Serial port board
Removing the serial port board
The following describes the procedure for removing the serial port board (See Figure 4-27, 4-
29).
NOTE: The procedure 1 and 2 are the same items as parallel port board. Refer
to the figure 4-27 in the parallel port board.
1. Remove the DC-IN jack and core from the slot of the base assembly.
2. Remove the following screws to remove the harness holder.
• M2.5x4B THIN BIND screw x2
3. Disconnect the USB harness from the connector CN4630 and the serial port cable
from the connector CN3504 on the serial port board.
4. Remove the serial port board by lifting it
4-42 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
CN3504
CN4630
Serial port board
DC IN harness
USB harness
Serial port cable
Figure 4-29 Removing serial port board