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6-12.
SY-438 Board
Preparation
1.
Remove the top plate assembly. (Refer to
2.
Remove the rear panel. (Refer to
3.
Remove the bottom plate assembly. (Refer to
Procedure
1.
Insert the end of a screwdriver into the grooves on both sides of the board and move it in the direction of arrow A
to disconnect the SY board assembly.
A
Groove
Screwdriver
2.
Remove the SY-438 board.
(1) Remove the two screws (PSW2.6 x 6).
(2) Remove the screw (P2.6 x 8).
(3) Remove the screw (B2.6 x 3).
(4) Remove the four attached hexagon screws and the four attached washers to detach the SY-438 board.
PSW2.6 x 6
SY-438 board
3.
Install the removed parts by reversing the steps of removal.
4.
Perform software settings using the menu after replacing/repairing the SY-438 board. (Refer
after Replacing or Repairing the Block and
PDW-HD1550
"6-3. Top Plate
Assembly")
"6-8. Rear
Panel")
"6-4. Bottom Plate
Attached washers
Board")
Assembly")
B2.6 x 3
Attached hexagon screws
to"1-9. Service Action
SY board assembly
P2.6 x 8
6-53
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