Read Panasonic PT-RZ475U / PT-RZ475E / PT-RZ475EA Service Manual online
1. 5. Lens shift adjustment mechanism
Adjusting the projection position
When the projection position of images is shifted, adjust the lens shift through the following procedure.
Tool used:
f Ball point allen key wrench (M4) or allen wrench (M4)
Used when adjusting screw (1) to screw (3).
Torque (recommended): 1.2 N·m to 1.6 N·m
f Flat-blade screwdriver
Used when adjusting the opening for the lens shift adjustment.
Size of the opening for the lens shift adjustment: 1.5 mm (1/16") x 7 mm (9/32")
Screw (2)
Fig. 1
Fig. 2
Opening for the lens shift
adjustment (top and bottom)
adjustment (top and bottom)
Screw (1)
Opening for the lens shift
adjustment (right and left)
adjustment (right and left)
Screw (3)
Center of the shift cover
Shift cover
1) Remove the shift cover. (Fig. 1)
f While pressing the center of the shift cover, pull it up in the direction of the arrow to remove.
2) Turn the screw (1) counterclockwise to loosen it. (Fig. 2)
3) Turn and loosen the screw (2) or screw (3) counterclockwise to adjust the lens shift.
Orientation
Adjustment method
Vertical
Loosen the screw (2) and adjust the opening of the lens shift adjustment (top and bottom).
Horizontal
Loosen the screw (3) and adjust the opening of the lens shift adjustment (right and left).
f Vertical and horizontal lens shift can be adjusted simultaneously.
4) After the lens shift has been adjusted, tighten the screw (2) or screw (3).
5) Tighten the screw (1).
6) Attach the shift cover.
f
Adjustment range by the lens position shift (optical shift)
Perform the lens position shift within the adjustment range.
The focus may change when the lens position is shifted out of the adjustment range. This is because the movement of the lens is restricted to
protect the optical parts. Projection position can be adjusted with the optical axis shift based on the standard projection position in the range
protect the optical parts. Projection position can be adjusted with the optical axis shift based on the standard projection position in the range
Projection screen width H
Projection screen height V
0.034 H
0.034 H
0.1 V
0.1 V
INF - 4
Click on the first or last page to see other PT-RZ475U / PT-RZ475E / PT-RZ475EA service manuals if exist.