Precautions When Replacing Pc Boards; Precautions, Procedures And Settings For Replacing Pc Boards And Hdd - Toshiba e-STUDIO477S Service Manual

6.2 Precautions, Procedures and Settings for Replacing PC
Boards and HDD
6.2.1

Precautions when replacing PC boards

• The ID for each equipment is registered on the PU board, the SYS board and SU board. So, if their
replacement is required, be sure to replace only one board at a time. Do not replace the SYS board
and the SRAM board (for the SYS board) together.
• If both the PU board and SYS board require replacement, replace them in the following procedure.
1. First, replace one of the board to be replaced.
2. Turn the power ON and confirm that "READY" is displayed.
3. Turn the power OFF.
4. Replace another board that requires replacement.
• When the HDD requires replacement, see "6.2.3Precautions and procedures when replacing the
HDD".
• When the SYS board requires replacement, see "6.2.4Precautions and Procedures when replacing
the SYS board".
• When SRAM board requires replacement, see "6.2.5Precautions and procedure when replacing the
SRAM board (for the SYS board)".
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REPLACEMENT OF PC BOARDS/HDD
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e-STUDIO477S/527S/477SL
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