Sanyo PLV-55WHD1 Service Manual page 68

Optical adjustments
2
Picture Image and focus adjustment (Projection lens adjustment)
Before adjustment
1. Turn the LCD projection TV on and display grid
pattern or circular pattern on the screen.
2. Be sure to fixed the Optical / Chassis unit with 3
screws to the cabinet.
Install all parts on a back side, otherwise it may
cause lose of performance of Optical
Adjustment.
(Refer to mechanical disassemblies.)
3. Remove the Front Cover unit from the cabinet
bottom.
4. Remove the 3 screws F and remove the Front
panel unit.
5. Remove the Optical Cover.
(Refer to mechanical disassemblies.)
6. When adjust the picture image (horizontal center-
ing and vertical centering) , loosen the 4 screws
A of the lens shift unit.
7. When adjust the picture focus, loosen the focus
fixed screw D of the projection lens.
Install all parts on a back side.
Remove the Front cover unit, remove the Front
panel unit and remove the Optical cover.
Adjustment area
Projection lens
Adjustment Cam-B
Screw-A
Focus ring-E
Front cover
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Adjustment Cam-C
Screw-D
F
F
Optical cover
F
Front panel
Screw-A