Disassembling The Nut Unit; Disassembling The Sub-Shaft Preload Spring; Assembling The Optical Pickup - Yamaha DVD-S795 Service Manual

10. Disassembling the Nut Unit

1. Remove the screw.
Notes
•The nut unit is not part of the optical pickup.
Before replacing the optical pickup, remove the nut
unit for use with the new optical pickup.
•After installation, use screw lock to lock the screw in
position.
•When reassembling, use screw lock to lock the screw
in position after attaching it.
Nut spring
Nut
(Rear surface)
11. Disassembling the Sub-Shaft
Preload Spring
1. Remove the screw.
Notes
•Handle the sub-shaft preload spring carefully because
the shape of the tip is easily deformed.
•The sub-shaft preload spring is not part of the optical
pickup. Before replacing the optical pickup, remove
the sub-shaft preload spring for use with the new
optical pickup.
•After installation, use screw lock to lock the screw in
position.
Screw
(Rear surface)
Nut unit
screw
Optical pickup
Sub-shaft preload spring
Optical pickup
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12. Assembling the Optical Pickup

1. Install the optical pickup.
Note
Take care not of attach the tilt spring and guide shaft in
the wrong order.
Tilt spring
Guide shaft
Tab
Traverse chassis
2. Fit the protruding part of the pickup FPC into the convexpart
of the FPC holder to install it.
Hook
FPC holder
Traverse chassis
Protruding part
Spring holder 1
Guide shaft
Traverse chassis
Adjustment screw
Screw
Spring holder 1
Tilt spring
Optical pickup unit
FPC holder
Protruding part
Pickup FPC
Pickup FPC
Opening