NOTE When replacing the optical block, the OP flexible board protective sheet (SW) is necessary. Before replacing, check where the sheet (SW) is pasted onto the old OP flexible board and paste it on the new OP flexible board in the same way. Pasting on the sheet (SW) : Paste on aligning the sheet (SW) center section with the edge of the OP flexible board as in the figure and folding the excess over onto the opposite side.
OP flexible board Optical pick-up ASSY