Sony VPL-S900U Service Manual page 34

Replacing the Lens
You can install the following two types of lenses in the
projector.
• VPLL-ZM100 2 times Zoom long focus lens
• VPLL-FM30 Fixed short focus lens
Follow the steps below to replace the lens.
For details on replacing the lens, also refer to the
installation manual supplied with the lens.
1
Turn off the power and disconnect the power
cable.
2
Remove the lens hood. To remove the lens hood,
insert a screwdriver into the lens hood slit then
lightly push down on the hood with the
screwdriver and slide the lens hood forward.
Lens hood
3
Remove the four screws (M4×12, with washers)
locking the lens by using a Philips screwdriver.
4
Lift and remove the lens.
6
(EN)
5
Install the lens with the lens stopper and the
projector stopper met at their edges.
Stopper
(Projector)
Stopper
(Lens)
Note
For ease in identification when you install the lens,
make sure that the label on the lens is facing up.
When the lens does not have a stopper
Align the painted white mark ( ) on the lens
with the edge of the stopper in the projector.
Stopper
(Projector)
Painted white
mark (Lens)
6
Tighten the four screws to secure the replacement
lens firmly.
7
Install the lens hood by sliding it from front to
back until it snaps into the lock position.
Lens hood
Notes
• The lens scratches easily, so when handling it, always
place it gently on a stable and level surface in a
horizontal position.
• Avoid touching the lens surface.
Changing the Lens Position for Rear Projection
(Optical Axis Angle: 0 degree)
For rear projection, you can set the optical axis angle
to 0 (zero). In this case, you will need to set the lens
position as follows.
You can install the following types of lenses for a zero
optical axis angle.
• Standard lens
• VPLL-ZM100 2 times Zoom long focus lens
• VPLL-FM30 Fixed short focus lens
• VPLL-FM20 Fixed short focus lens
1
Turn off the power and disconnect the power
cable.
2
Remove the lens hood. To remove the lens hood,
insert a screwdriver into the lens hood slit then
lightly push down on the hood with the
screwdriver and slide the lens hood forward.
Lens hood
3
Remove the three black screws (M3×8) on the both
sides and two black screws (M3×8) on the top
locking the hood.
Hood
4
Disconnect the 12-pin connector (connected to the
PC board C) from the hood. Lift the hood and set
it behind the unit.
PC board C
5
Remove the lens hood locking the lens by
loosening the four screws (M4×12, with washers)
with a Philips screwdriver.
6
Lift and remove the lens.
7
Remove the left and right spacers by loosening the
four screws (M4×12, with washers).
Spacers
Note
The spacer and the screws may be needed later on.
Store them.
8
Loosen the two screws (M3×8, with washers)
locking the front panel.
Screw
7
(EN)