L1800 Revision A
Disassembly And Assembly Removing the Boards 54
Confidential
REMOVING THE MAIN BOARD
1. Remove the Board Assy (Main Board/Power Supply Board). (p.53)
2. Disconnect the Power Board cable from connector CN60 on the Main Board.
3. Remove the four C.B.S. M3 x 6 screws and one C.P. M3 x 4 screw that secure the
Main Board and remove the Main Board from the Board Assy.
Figure 3-33. Removing the Main Board
REMOVING THE POWER BOARD
1. Remove the Board Assy (Main Board/Power Supply Board). (p.53)
2. Disconnect the Power Board cable from connector CN60 on the Main Board. (p.54)
3. Remove the four C.B.S. M3 x 6 screws that secure the Power Board and remove
the Power Board from the Board Assy.
Figure 3-34. Removing the Power Board
Confirm that the FFCs do not cross each other first, then connect
the FFCs and the cables to the Main Board while paying attention
to the edge of the Shield Plate.
14) C.P. M3x4
(6±1 kgf.cm)
5
2) C.B.S. M3x6
(6±1 kgf.cm)
Tighten the screws in the order shown in Figure 3-33 and Figure
3-34.
A D J U S T M E N T
R E Q U I R E D
After replacing or removing the Main Board and the Power Board,
always make the required adjustments referring to the following.
“Chapter 4 Adjustment (p.109)”
Power Board
2) C.B.S. M3x6
(6±1 kgf.cm)
1
2
3
4
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