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Service Manual
Precautions ........................................................................................................ 2
Product Features ............................................................................................... 4
Package Overview ............................................................................................. 5
Product Overview ............................................................................................... 6
Main Unit ...................................................................................................... 6
Control Panel ............................................................................................... 7
Connection Ports ......................................................................................... 8
IR Remote Control ....................................................................................... 9
Connecting the Projector ................................................................................... 10
Powering On/Off the Projector ........................................................................... 11
Powering On the Projector ........................................................................... 11
Powering Off the Projector ........................................................................... 12
Adjusting the Projected Image .......................................................................... 13
Adjusting the Projector's Height .................................................................. 13
Adjusting the Projector's Zoom/Focus ......................................................... 14
Onscreen Display Menus ................................................................................. 18
How to Operate ............................................................................................ 18
Menu Tree .................................................................................................... 19
Picture .......................................................................................................... 20
Image ........................................................................................................... 22
System ......................................................................................................... 24
Display ......................................................................................................... 25
Troubleshooting ................................................................................................. 27
Replacing the Lamp .......................................................................................... 30
Table of Contents
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Summary of Contents for Optoma H76
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Page 1: Table Of Contents
Connection Ports ... 8 IR Remote Control ... 9 Installation Connecting the Projector ... 10 Powering On/Off the Projector ... 11 Powering On the Projector ... 11 Powering Off the Projector ... 12 Adjusting the Projected Image ... 13 Adjusting the Projector’s Height ... 13 Adjusting the Projector’s Zoom/Focus ... -
Page 2: Usage Notice
Warning- After installing a new lamp, reset the lamp life using Warning- Before turning off the product, follow the cooling fan Warning- Turn on the projector first and then select the signal Warning- When the lamp reaches the end of its life, it will burn eye injury. - Page 3 Turn off the product before cleaning. Use a soft cloth moistened with mild detergent to clean the display housing. Disconnect the power plug from AC outlet if the product is not being used for a long period of time. Do not: Block the slots and openings on the unit provided for ventilation.
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Page 4: Introduction
Introduction Product Features This product is a WXGA single chip 0.79-inch DLP projector featuring: True WXGA resolution 1280 x 720 addressable pixels 17-pounds (7.72 kgs) compact design Single chip DLP technology Power zoom and focus HDTV compatible (480i/p, 576i/p, 720p, 1080i ) -
Page 5: Package Overview
Package Overview This projector comes with all the items shown below. Check to make sure your unit is complete. Projector Unit User’s Manual/ Warranty Card Due to the differ- ence in applications for each country, some regions may have different accessories. -
Page 6: Product Overview
nglish Introduction Product Overview Main Unit 1. Control Panel 2. Power Socket & Power Switch 3. Height Adjustment Foot 4. Lens 5. IR Receiver 6. Connection Ports... -
Page 7: Control Panel
Control Panel 1. Lens Shift (Up/Down) 2. Zoom/Focus Shift -Zoom: Up/Down -Focus: Right/Left 3. Key Pad - Resync - Source - Menu/Exit - Enter nglish Introduction... -
Page 8: Connection Ports
nglish Introduction Connection Ports Lamp/Temp & Power LEDS 2. Power Socket 3. Power Switch 4. IR Receiver 5. Component Connector 6. BNC Connector 7. +12V Relay Connectors 8. RS-232 Connector S-Video Input Connector 10. Composite Video Input Connector 11. DVI-I Input Connector... -
Page 9: Wireless Remote Control
Wireless Remote Control Power On/Off Brightness Contrast Hue Adjustment Format Optics Zoom Optics Focus Enter S-Video Source BNC Source nglish Introduction Display Hide Freeze Re-sync Zoom Keystone Adjustment Menu/Exit Four Directional Select Keys Composite Source Component Source (YPbPr) DVI-I Source... -
Page 10: Installation
4. S-Video Cable 5. Composite Video Cable To ensure that the projector properly displays source material from your computer, please configure the display settings of your graphics card to less than or equal to 1280 x 720 resolution. Be sure that the timing of the display setting is compatible with the projector. -
Page 11: Powering On/Off The Projector
2. Ensure that the power cord and signal cable are securely connected. 3. Turn on the main power switch on the side of the projector. 4. Turn on the lamp by pressing the “Power” button on the side of the projector. -
Page 12: Powering Off The Projector
After the “Power” indicator stops flashing, you may then turn off the main power switch on the side of the projector. If you want to turn on the projector, you must press “Power” within 90 seconds of when the “Power”... -
Page 13: Adjusting The Projected Image
2. Rotate the foot counterclockwise to raise the projector or clockwise to lower it. Repeat with the remaining feet as needed. 3. Reset the projector on its feet and re-adjust as needed. Adjustable foot nglish Installation... -
Page 14: Adjusting The Projector's Zoom/Focus
You may adjust the Zoom shift to zoom the lens in or out. Press to zoom in or to zoom out. To adjust focus of an image, press the focus shift buttons . The projector will focus at distances from 3.28 to 32.80 feet (1.19 to 10m). Zoom/ Focus Shift... -
Page 15: User Controls
Using the Remote Control Power “Power” turns on the projector’s lamp, refer to the “Powering On/Off the Projector” section on page 11~ 12 for more details. Hide “Hide” immediately turns the screen black. Press “Hide” a second time to restore the display. - Page 16 “Hue” adjusts the color balance from red to green. H.Keystone & V.Keystone Correct image distortion caused by rotating and tilting the projector. Re-Sync Automatically synchronizes the projector to the input source. Zoom Press “Zoom” to display the zoom menu. Press Focus Press “Focus”...
- Page 17 Using the Control Panel Power The power switch is located near the power socket on the side of the projector. Use it to power on/off the projector. Please refer to the “Powering On/Off the Projector” section on pages 11~ 12.
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Page 18: Onscreen Display Menus
User Controls Onscreen Display Menus How to Operate The projector has multilingual onscreen display menus that allow you to make image adjustments and change a variety of settings. The projector automatically detects the source. To launch the menu, press “Menu/Exit” on the Remote Control or Control Panel. -
Page 19: Menu Tree
Menu Tree PICTURE... Mode Contrast Brightness Color (Video only) Tint (Video only) Sharpness Gamma Reset White Peaking IMAGE... Color Temp Image Mode Advanced Adjustment Signal Reset SYSTEM... Language Bulb Source Lock Auto Shutdown Blanking Eco Mode Projection DISPLAY... Format V.Keystone H.Keystone Digital Zoom User Controls... -
Page 20: Picture
nglish User Controls Mode There are three factory presets optimized for various types of pictures: Cinema, Normal, and Vivid. You can customize contrast, brightness, intensity, color, tint, sharpness, and gamma for each preset mode. Contrast Contrast controls the degree of difference between the lightest and darkest parts of the picture. - Page 21 PICTURE Gamma Gamma affects how dark scenery is displayed. With a greater gamma value, dark scenery will appear brighter. Use adjust gamma values. Reset Return the adjustments and settings to factory default values. Current: Returns the current menu’s settings to factory default values.
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Page 22: Image
nglish User Controls White Peaking Use the white segment control to set the white peaking level of the DMD chip. “0” stands for minimal peaking, and “10” stands for maximum peaking. If you prefer a stronger image, adjust toward the maximum setting. For a smoother, more natural image, adjust toward the minimum setting. - Page 23 Reset Return the adjustments and settings to factory default values. Current: Return the current menu’s settings to factory The“Deinterlacing” sub menu is default values. supported under the All: Return all menu settings to factory default values. S-video, composite video, and compo- nent video input sources.
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Page 24: System
Bulb Source Lock When source lock is turned off, the projector will search for other signals if the current input signal is lost. When source lock is turned on, it willl continue to search for the “lost signal” after “Source “... -
Page 25: Display
Projection Front-Desktop The factory default setting. Rear-Desktop When you select this function, the projector reverses the image so you can project from behind a translucent screen. Front-Ceiling When you select this function, the projector turns the image upside down for ceiling-mounted projection. -
Page 26: Digital Zoom
User Controls Format V. Keystone Correct image distortion caused by tilting the projector vertically. H. Keystone Correct image distortion caused by rotating the projector horizontally. Digital Zoom Provide different magnification ratios to zoom an image. Images will be centered after zooming. -
Page 27: Appendices
Verify that your display resolution setting is less than or equal to 1280x720. If the projector is still not projecting the image, you may need to adjust your monitor display setting. To do this, please refer to the following instructions. - Page 28 2. Switch the Notebook PC display to the “external display only” If you experience difficulty changing resolutions or your monitor freezes, restart all the equipment including the projector. Problem: The screen of the Notebook or PowerBook computer is not displaying your presentation.
- Page 29 Problem: Lamp burns out or makes a popping sound If the lamp makes a loud popping sound, it has most likely expired. The projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedure in the “Replacing the Lamp”...
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Page 30: Replacing The Lamp
2. Allow the projector to cool down at least 30 minutes. 3. Turn off the main power switch. 4. Disconnect the power cord. Warning: To 5. Use screw driver to remove the screw on the side of projector reduce the risk of personal injury, avoid 6. Remove the cover.
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