Nec mt840 service manual

Most of our service manuals are immediately available as a PDF Download that will provide the service information you need right away.

Our NEC MT Service Manual provides the important servicing information and operating instructions you need to diagnose and repair your malfunctioning or failing unit. Most of our service manuals will include disassembly instructions, schematic diagrams, parts lists, exploded views, troubleshooting, wiring diagrams and much, much more.

Manufacturer: NEC. This projector was first available for purchase in October and has been discontinued by NEC. The ANSI lumen rating measures the brightest white that a projector can produce by averaging nine light meter measurements taken across the projected image.

BUYER BEWARE Either this projector's brightness specification does not cite an industry-accepted unit of measurement, or according to our calculations it seems unlikely that this projector is capable of producing the manufacturer's cited brightness specification.

Reviews Projectors Screens Accessories. Projector Database 11, Projector Forums Login. Ensure that there is sufficient ventilation and that vents are unobstructed to prevent the build-up of heat inside your projector. Allow at least 3 inches 10cm of space between your projector and a wall.

The remote control can be. An SXGA image 2 is converted into a 2 You can select any point on the screen with. When no menus. Connect a commercially available mouse that supports USB. You can operate the menu or Viewer with the USB mouse via this terminal. Note that this terminal is not used with a computer and that there Downloaded may be some brands of USB mouse. This is the left channel audio input for stereo sound coming from video equipment or audio system.

This also serves as your monaural audio input. Video and S-video only. This is the right channel audio input for stereo sound. The logo is trademarked and owned by Kensington Microware Inc. NOTE: If you are using a Macintosh computer, you can click either the right or left button to activate the mouse. Some signals may not be displayed correctly, or in some cases it may take some time for a source to be switched to another.

For the Mouse button to work as the volume control for your computer, you must. NOTE: Works as a mouse for your projected computer image. This pad is also used to adjust position. This pad selects the submenu you want to adjust. After you make your on-screen menu selection, use this pad to adjust the level up or down.

Press this button to return the adjustments to the last condition while you are in the adjustment. Use this button to enter your menu selection. When the Pointer is displayed, the magnified image is displayed at the center of the Pointer. When the Pointer is not displayed, the magnified image is displayed at the center of the screen. Press this button to display one of the eight pointers; press again to hide the pointer. You can move your pointer icon to the area you want on the screen using the Mouse button.

This button turns off the image and sound for a short period of time. Press again to restore the image and sound. Provides information about operation and adjustment procedures or the set information for the current menu or adjustment during menu operation.

This also displays information how to use the Help. If power is applied, you can use this button to turn your projector on and off. This button lights to indicates that you are in the Projector mode.

Press and hold this button to activate the laser pointer. If no buttons are pressed within. But before you get started, you must first:. Determine the image size. Set up a screen or select a non-glossy white wall onto which you can project your image. Carrying the Projector: Always carry your projector by the handle.

Ensure that the power cable and any other cables connecting to video sources are disconnected before moving the projector. When moving the projector or when it is not in use, cover the lens with the lens cap.

IN AC. The further your projector is from the screen or wall, the larger the image. The minimum size the image can be is approximately 30" 0. The largest the image can be is " 7. Place your projector on flat level surface at the optimal distance from the screen or wall so you realize the size image you want.

There is approximately 5 degrees of up and down adjustment for the front of the projector. Each of the rear feet height can be changed up to 0. If the projected image does not appear square to the screen then use keystone correction for proper adjustment. Adjust the size of the image using the Zoom ring on the lens.

Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password. MultiSync MT COM Projector. Important Safeguards These safety instructions are to ensure the long life of your projector and to prevent fire and shock. Installation 1. For best results, use your projector in a darkened room.

Exposure to direct sunlight, smoke or steam can harm internal components. Do not place heavy objects on top of the projector. If you wish to have the projector installed on the ceiling: a. Do not attempt to install the projector yourself. In addition, the ceiling must be strong enough to support the projector and the installation must be in accordance from with any local building codes. Please consult your dealer for more information. Cleaning 1. Unplug the projector before cleaning.

Fire and Shock Precautions 1. Prevent foreign objects such as paper clips and bits of pa- per from falling into your projector. Do not attempt to re- trieve any objects that might fall into your projector. Do not insert any metal objects such as a wire or screwdriver into your projector.

If something should fall into your projector, disconnect it immediately and have the object removed by a qualified NEC service personnel. Do not place any liquids on top of your projector. Serious damage to your eyes could result. The light being projected from the lens is extensive, therefore any kind of abnormal objects that Downloaded can redirect light coming out of the lens, can cause unpre- dictable outcome such as fire or injury to the eyes.

Doing so can lead to melting of the cap and possibly burning your hands due to the heat emitted from the light output. Serious injury could result.

E Getting Started Signal Select. E Terminal Panel Features E-9 Mouse Settings E Remote Control Features Keystone Save E Fan High Speed Mode E 2. E Setting Up Your Projector Remote Sensor E Selecting a Location Capture Options E Ceiling Installation E Tools PC Card Files E 3.

E General Controls E Help E Using the Menus