Proxima Ultralight SV1, Руководство по обслуживанию

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MODULE LEVEL Ultralight SV1 101.670
SERVICE MANUAL
Proxima ASA CONFIDENTIAL 9
7.1.2 REPLACEMENT OF MECHANICAL AND ELECTRONIC PARTS
All replacement operations require that the unit is opened; an open unit is therefore assumed in the following
replacement procedures. The numbers in the left column and in the text refers to the exploded view
illustration.
REPLACEMENT OF MECHANICAL AND ELECTRONIC PARTS
# TASK PROCEDURE TIME REQ.
1 HOUSING
BOTTOM
(part of Housing
Complete)
•
Remove the main PCB controller, Polysilicon engine, rear cover,
housing handle, adjustable feet, and dust cover with filter, as
described in their respective sections.
•
Replace the housing bottom
(1)
and remount in reverse order.
30 min.
2 PROJECTION
LENS
•
Remove the main PCB controller and Polysilicon engine as
described in their respective sections.
•
Remove the zoom and focus rings as described below.
•
Unscrew the 4 cross-slot screws holding the projection lens
(2)
to the
engine.
•
Replace with new lens, making sure that the 2 plastic guides on the
lens enters their designated holes on the engine. Fasten the
screws.
•
Remount the zoom/focus rings and reassemble the projector.
20 min.
Do not touch the optics; prism in engine or lens glass, as this
may severly reduce the optical quality or damage the engine
permanently.
ZOOM & FOCUS
RINGS
•
Take hold of the focus ring between your thumb and index finger.
•
Apply pressure and pull/wriggle the ring off the projector lens. If this
is not sucessful, try moving your grip.
•
Remove the housing top as described previously.
•
To remove the zoom lens, turn the rear end of the projector towards
you.
•
Place your thumbs behind the zoom ring on each side of the lens
and apply pressure outwards, until the ring slides off the lens.
•
Replace with new rings and remount in reverse order.
2 min.
Make sure to enter the focus ring retainers onto the drilled pits
in the lens assembly rim groove. The zoom ring has 3 holes
which should be fitted onto the screw heads on the lens assy
and it is correctly fitted when you hear a clicking sound when
mounting.
3 FANHOUSE
COMPLETE
(w/ cooling fans
and thermo
switch)
•
Remove the main PCB controller and the Polysilicon engine as
seen above.
•
Remove the fanhouse
(3)
by unscrewing the 2 screws at the top and
1 screw at the bottom of the engine.
•
Hold the engine in a firm grip with the lens pointing towards you,
your left hand supporting the rear left corner and your right hand
enclosing the rear right corner of the fanhouse.
•
Bend the fanhouse carefully down sideways, releasing the 2 upper
plastic retainers and pull it away from the engine.
•
Replace and remount in reverse order by snapping the fanhouse
onto the engine. Make sure that the retainers enters their
designated holes.
15 min.