Samsung ST200F Service Manual page 29

Disassembly and reassembly
(h) Remove the ASSY SUB BARREL-3RD and then remove the ASSY SUB BARREL-2ND LENS.
(i) Turn the DECORING-CAM by counterclockwise direction as arrow and remove it.
3-16
counterclockwise
direction
ASSY SUB BARREL-2ND LENS
Fig. 3-29
Fig. 3-30
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ASSY SUB BARREL-3RD
BARREL-INNER GUIDE
DECORING-CAM