HLT-Orchid Geometry Svc Guide_01

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

DLP K780/Orchid Tilt Adjustment Manual

2007.05.02 Product Engineering Group

1.Image Tilt Inspection1.Tilt Inspection

DLP K780 Optical Engine

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

Tilt Pattern (Internal Pattern)

Inspect the Tilt (with external Lionhead pattern)

2)Tilt SpecificationInch 50,56 61 Spec 7mm 8mm *TOP Tilt : H1-H3 Remark * BOTTOM TILT: H2-H4

2. Tilt Adjustment (Top -> Bottom -> Bowing)Top Tilt Adjustment1)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

A

B

B

A4)Fix Screw A at the 2 points shown.

Screw A : Fix Engine.

B : Tilt Adjustment

2. Tilt Adjustment (Top -> Bottom -> Bowing)Bottom Tilt Adjustment1)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 to determine the correct adjustment. As shown in the figure below, align the green line to the cabinet bezel.

C D

Screw A : Fix Mirror

B : Tilt Adjustment 4)Fix Screw A at the 4 points as shown.

2. Tilt Adjustment (Top -> Bottom -> Bowing)Bottom bowing AdjustmentFirst 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. 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 tighten screw #2 when straight. If the bottom of the screen is bowing down, - Insert a flat screwdriver under #1 as shown Fig #3.. Fig #1 Fig #2 - 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 tighten screw #2 when straight.

1

Fig #3