Toshiba e-STUDIO556 Service Manual page 819

9. REPLACEMENT OF PC BOARDS / HDD
9.1 Installation and Separation of PC Boards / HDD
Notes:
• When the PC board/HDD is replaced, refer to the respective Notes and Cautions of
"Replacement of PC boards and HDD" in Chapter  P.9-12 "9.2 Precautions, Procedures
and Settings for Replacing PC Boards and HDD".
• If the PC board has to be replaced due to an operational defect, this may have been caused
by a contact failure of the connector. Before replacing the board, disconnect and then
reconnect the connector to check if this action eliminates the operational defect.
9.1.1 SYS board cover
(1) Take off the rear cover.
( P.4-5 "4.1.13 Rear cover")
(2) Disconnect the connector of the cooling fan
from the joint connector of the SYS board
cover.
(3) Remove 2 screws.
(4) Loosen 10 screws.
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Fig. 9-1
Fig. 9-2
e-STUDIO556/656/756/856/557/657/757/857
REPLACEMENT OF PC BOARDS / HDD
9 - 1
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