Toshiba e-STUDIO556 Service Manual page 820

(5) Release the harness from harness clamp to
take off the SYS board cover by sliding it
upward.
Note:
A cooling fan is installed on the SYS board
cover. Therefore be sure not to pull the
harnesses connecting to the fan.
9.1.2 System control PC board (SYS board) (e-STUDIO556/656/756/
856)
(1) Take off the SYS board cover.
 P.9-1 "9.1.1 SYS board cover"
(2) Remove 4 screws to take off the leaf spring.
(3) Disconnect 8 connectors of the SYS board.
(4) Remove 2 screws to take off the SYS board
[9.1.2].
e-STUDIO556/656/756/856/557/657/757/857
REPLACEMENT OF PC BOARDS / HDD
Leaf spring
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9 - 2
Fig. 9-3
Fig. 9-4
[9.1.2]
Fig. 9-5