Sanyo PLC-EF60A, Service Manual

Page: 37 / 184

- 37 -
b
Lamp center adjustment
1
Adjust the white uniformity of the screen by turning the
screw
A
.
2
Switch the lamp mode to Lamp1 only and adjust the
white uniformity of the screen by turning the screw
B
.
(Menu: Setting -> Lamp -> Mode -> 1-Lamp -> Lamp 1)
3
Switch the lamp mode to 2-Lamp and check the white
uniformity of the screen. If there is color shading on the
screen, turn the screw
A
or
B
slightly to take the fine
adjustment.
(Menu: Setting -> Lamp -> Mode -> 2-Lamp)
Color shading
n
Shutter adjustment
1
Mount the shutter assy onto the optical unit correctly
and put screws
A
loosely.
2
Set the Shutter mode to High-contrast mode and Lamp
mode to 2-Lamp mode by using the menu control.
(Menu: Setting -> Shutter -> Level -> High contrast)
(Menu: Setting -> Lamp -> Mode -> 2-Lamp)
3
Move slot
B
by using a slot screwdriver to remove the
color shading on the left or right edge of the screen.
4
Check white uniformity with Lamp2 mode and Lamp1
mode respectively. If there is color shading on the
screen in Lamp1 or Lamp2 mode, take the adjustments
above Step-5 and Step-6 again.
5
Tighten screws
A
to fix the Shutter assy.
Fig.6
Fig.5
Optical Adjustment
A
A B
A B