Sanyo PLC-EF31 Service Manual page 50

I Integrator-lens-in adjustment
To light only the "Lamp-1."
(Refer to operation method-1 on page-49)
Adjustment :
1. Remove the flexible cables of LCD panels from the assembly Main.
And turn on the projector.
2. loosen 2 screws A and 2 screws B.
3.
3-1. Insert slot screwdriver into slot-C and turn it until shade appears on
the left and the right of the screen.
3-2. Turn 2 screws-D until the shade appears on the top and the bottom
of the screen.
4. Turn 2 screws D and take the focus of the shade edge.
5. Turn 2 screws D and erase the shade on the top and the bottom of the
screen.
(Note : At the time, the focus adjusted at Step-4 must not shift.)
6. Insert slot screwdriver into slot-C, turn it and erase shade on the left
and the right of the screen.
7. Tighten 2 screws A and 2 screws B to fix the integrator-lens-in unit.
Screw-A Slot-C Screw-A
Screw-B
Screw-D
Check the condition of Unevenness color on
the screen.
Unevenness color : N.G.
Fine adjustment-2 Integrator lens in
(Refer to Fine adjustment-2 on page-49)
To light the "Lamp 1 and 2." (Full lamp mode)
(Refer to operation method-1 on page-49)
START
(Figure 1-a)
(Figure 1-b)
(Figure 2)
(Figure 3)
Screw-B
Screw-D
Unevenness color : Good
To light only the "Lamp-2."
(Refer to operation method-1 on page-49)
Check the condition of Unevenness color on
the screen.
Unevenness color : Good
END
-50-
(a) (b)
Figure-1
Figure-2
Figure-3
Unevenness color : N.G.
Fine adjustment-2 Integrator lens in
(Refer to Fine adjustment-2 on page-49)
To light only the "Lamp-1."
(Refer to operation method-1 on page-49)