LG StudioWorks 520Si Owner's Manual page 39

5. BOTTOM BRACKET REMOVAL
1) Remove three screws (a).
2) Remove the Bottom Bracket.
Bottom Bracket
6. MAIN BOARD ASSEMBLY REMOVAL
(a)
Main PCB Assembly
(a)
(a)
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1) Remove three screws (a).
2) Remove five screws (b).
3) Release four latches (c) from the Main Board
Assembly.
(b)
(c)
(a)
(b)
(b)
(c)