- 61 -
This spacer is an object for back focus adjustment
of a projection lens. Some projection lenses, there
is what has as nothing the spacer as the thing of
two or more sheets.
SPACER
Fig. 56
Adjustments after Projection Lens Replacement
After replacing a projection lens,the following procedure performs focus adjustment below.
1.
All the spacers remove.
2.
Replace the Projection lens.
3.
A picture focus is adjusted. (Refer to page 60.)
4.
When focus adjustment can not be performed, a projection lens spacer is removed and readjust.
(Refer to the next page for how to remove the spacer of projection lens.)
When focus adjustment can not be performed, a spacer is attached and it adjusts again.
(The spacers are enclosed to the replacement lens.)
There are 5 spacers with which thickness differs. It is used choosing the spacer which can per-
form focus adjustment. Thickness is printing to the spacer.
Spacer can be ordered.
Give the following information to the dealer. (Part No. and Description)
Description
Part No.
Thickness
T0.3 Spacer 610 313 6585
(0.3mm)
30
T0.4 Spacer 610 316 3352
(0.4mm)
40
T0.2 Spacer 610 316 3369
(0.2mm)
20
T0.25 Spacer 610 316 3376
(0.25mm)
25
T0.35 Spacer 610 316 3383
(0.35mm)
35
5.
Tighten the lens focus lock screw and fix the Projection lens after adjustment
Optical adjustment
printed this area
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