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2007 DLP K780 Optical Engine _ HLT**76SX Series

DLP K780/Orchid Tilt Adjustment

Manual

Product Engineering Group

2007.05.02

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1.Image Tilt Inspection

1.Tilt Inspection

1)Enter Factory(mute+182+Power) -> H/V Position -> Appear tilt Pattern

DLP K780 Optical Engine

2)Tilt Specification

Tilt Pattern (Internal Pattern) Inspect the Tilt

(with external Lionhead pattern)

8mm

7mm

Spec

61”*TOP Tilt : H1-H3 * BOTTOM TILT: H2-H4

50”,56”

Remarknch

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■Top Tilt Adjustment

2. Tilt Adjustment (Top -> Bottom -> Bowing)

A B AB

Screw A : Fix Engine. B : Tilt Adjustment

1)Loosen Screw A at the 2 points shown.

2)Use Screw B to adjust Top Tilt

-B (Right) : Rotate CW -> Image Down

-B (Left ) : Rotate CCW -> Image Up

3)Refer to the Lionhead pattern to

determine the correct adjustment. As

shown in the figure below, align the

blue line to the cabinet bezel.

Left Right

4)Fix Screw A at the 2 points shown.

 

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■Bottom Tilt Adjustment

1)Loosen Screw A at 4 points as shown.

2)Rotate Screw B to adjust Bottom Tilt

-B (Right): Rotate CW -> Image Up-B (Left) : Rotate CCW -> Image Down

3)Refer to the Lionhead pattern todetermine the correct adjustment. As

shown in the figure below, align the

green line to the cabinet bezel.

4)Fix Screw A at the 4 points as shown.

Screw A : Fix Mirror B : Tilt Adjustment

CD

2. Tilt Adjustment (Top -> Bottom -> Bowing)

 

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■Bottom bowing Adjustment First loosen the 2 screws as shown Fig #1.

If the bottom of the screen is bowing up, (In most case)

- Insert a flat screwdriver above screw #1 as shown Fig #2.

- While applying upward force on the flat screwdriver handle

(causing downward motion of screw #1 by rocking against

cabinet), monitor bottom bowing on the screen and tightenscrew #2 when straight.

If the bottom of the screen is bowing down,

- Insert a flat screwdriver under #1 as shown Fig #3..

- While applying downward force on the flat screwdriver handle

(causing upward motion of screw #1 by rocking against

cabinet), monitor bottom bowing on the screen and tightenscrew #2 when straight.

2. Tilt Adjustment (Top -> Bottom -> Bowing)

1 2

Fig #1

Fig #2

Fig #3