Sharp AR-5316 Service Manual page 32

E.Lens unit
Note: Do not remove screws which are not indicated in the figure. If the
height of the base plate is changed, it cannot be adjusted in the
market.
Note: The CCD/lens unit is factory-adjusted before shipping.
Since these adjustments cannot be performed in the market.
Never touch the screws other than screw 2) of the CCD/lens unit.
(2)
(1)
(1)
(2)
(3)
(4)
Lens unit attachment
<1>Attach the lens unit so that the lens unit number on the
lens adjustment plate is aligned with the scribe line on the
base plate.
+4 scales
+3 scales
+2 scales
+1 scale
Reference
-1 scale
-2 scales
-3 scales
-4 scales
<2>Make a sample copy at the above position, and measure
the magnification ratio.
<3>Change the installing position in the horizontal direction to
adjust the magnification ratio.
•When the copy image is longer than the original, shift to
the positive (+) direction.
•When the copy image is shorter than the original, shift to
the negative (-) direction.
* 1 scale of the scribed line corresponds to 0.34% of
magnification ratio.
* If this adjustment is not satisfactory, make a fine adjustment
with SIM 48-2.
(1)
(3)
Lens unit number
( ) direction
Reference line (0)
(+) direction
One division: 1.4mm
CCD adjustment value
5.0~
3.6~4.9
2.2~3.5
0.8~2.1
-0.6~0.7
-2.0~ -0.7
-3.4~ -2.1
-4.8~ -3.5
~ -4.9
AR-5316 DISASSEMBLY AND ASSEMBLY 11-3
F.Wire
(1)
(4)
(4)
(2)
(3)