Sony RM-PJM610, Service Manual

Page: 34 / 177

1-27
VPL-PX20/PX30
14
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-ZM101 Long Focus Zoom Lens
• VPLL-ZM31 Short Focus Zoom Lens
• VPLL-FM21 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.
3
Remove the four silver screws (M3
×
8) on the both
sides and two silver screws (M3
×
8) on the top
locking the hood.
4
Disconnect the 12-pin connector and 4-pin
connector (connected to the PC board H) from the
hood. Lift the hood and set it behind the unit.
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).
Note
The spacer and the screws may be needed later on.
Store them.
Lens hood
Hood
PC board H
Spacers
15
8
Remove two screws (M3
×
6, with washers) that
lock the front panel. Free the wires from the
clamp.
9
Disconnect the two connectors on the back of the
front panel, one for cooling fan and the other for
remote control detector, and then remove the front
panel.
10
Remove the two screws (M3
×
6, with washers)
from the front panel. Remove the lens bottom
cover.
11
Install the lens bottom cover on the lens hood
(removed in Step
2 ) with the two screws.
12
Connect the connector for remote control detector
and the connector for cooling fan.
13
Install the front panel on the unit with the two
screws (M3
×
6, with washers). Fasten the wires
with the clamp.
14
Install the lens with the lens stopper and the
projector stopper met at their edges.
Notes
• Make sure that lens stoppers and projector
stoppers are met on both sides.
• For ease in identification when you install the
lens, make sure that the lens stopper is facing up.
Screw
Screw
Clamp
Cooling fan
Remote control
detector
Lens bottom cover
Cooling fan
Remote control
detector
Screw
Screw
Clamp
Stopper
(Projector)
Stopper
(Lens)
Stopper
(Projector)
Stopper
(Lens)
(continued)