Top View - Detail
Showing lens with and focusing coils immediately next to it
Top View - Detail
Showing lens with and focusing coils immediately next to it
Side View
Side of lens just visible - top centre
Gold block at bottom houses laser diode and mirrors (?)
Small circuit board at right (edge on) connects to photo-cell in main
housing, this detects the reflected output from the MD surface(?)
Front View
Pencil shows photo-diode (output signal?)
The block assembly would slide along a shaft through the two bronze
bushes, driven by the 'rack & pinion' gear at the rear
Front View - close-up
Detail of lens assembly & focusing coils
