Mitsubishi HC4000 1080p Front Projector User Manual

Introduction

This manual provides essential information for the safe and efficient operation of your Mitsubishi HC4000 1080p Front Projector. Please read these instructions thoroughly before using the projector and retain them for future reference. The HC4000 is designed to deliver high-definition images for home entertainment, utilizing DLP DarkChip3™ technology for detailed and color-accurate projection.

Important Safety Information

Power Source: Connect the projector only to the type of power source indicated on the marking label.
Ventilation: Do not block ventilation openings. Ensure adequate space around the projector for proper airflow.
Heat: Do not place the projector near heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
Moisture: Do not expose the projector to rain or moisture to prevent fire or electric shock.
Lamp: The lamp inside is under high pressure and may explode if improperly handled. Allow the lamp to cool before replacing.
Servicing: Refer all servicing to qualified service personnel. Do not attempt to service this product yourself.

Package Contents

Verify that all items are present in the package:

Mitsubishi HC4000 Projector
Power Cord
Remote Control with Batteries
Lens Cap
User Manual (this document)

Setup

1. Projector Placement

The HC4000 can be placed on a tabletop or ceiling-mounted. Ensure the projector is positioned to achieve the desired screen size and aspect ratio. The 1.5x short-throw zoom lens allows for flexibility in placement distance. For optimal image quality, position the projector as perpendicular to the screen as possible.

Figure 1: Front view of the Mitsubishi HC4000 projector. This image shows the lens and front ventilation.

2. Connecting Devices

Connect your video sources (e.g., Blu-ray player, gaming console, computer) to the projector using appropriate cables. The HC4000 features HDMI connectivity for high-definition digital signals.

HDMI: For digital video and audio. Connect an HDMI cable from your source device to the HDMI input on the projector.
Other Inputs: Refer to the projector's rear panel for additional input options (e.g., Component, VGA).

Mitsubishi HC4000 Rear Panel Connections

Figure 2: Rear panel of the Mitsubishi HC4000, illustrating various input ports including HDMI, component, and power input.

3. Power Connection

Plug the power cord into the projector's power inlet, then connect the other end to a grounded electrical outlet.

4. Initial Power On and Image Adjustment

Press the Power button on the projector or remote control.
Focus: Rotate the focus ring on the lens until the image is sharp.
Zoom: Adjust the zoom ring to achieve the desired image size. The HC4000 features a manual zoom lens with a 1.5:1 ratio.
Keystone Correction: If the image appears trapezoidal, use the keystone correction function in the projector's menu to square the image. While convenient, optical keystone correction is always preferred for best image quality.

Operating Instructions

1. Power On/Off

To Power On: Press the POWER button once. The indicator light will turn blue.
To Power Off: Press the POWER button twice. The projector will enter a cooling cycle before shutting down completely. Do not unplug the projector during the cooling cycle.

2. Input Source Selection

Use the INPUT button on the remote control or projector panel to cycle through available input sources (HDMI, Component, etc.) until your desired source is displayed.

3. Picture Settings

Access the projector's On-Screen Display (OSD) menu using the MENU button on the remote. Navigate using the arrow keys and confirm selections with the ENTER button.

Brightness: Adjust to control the overall lightness or darkness of the image.
Contrast: Adjust the difference between the lightest and darkest parts of the image. Note: Some users find that reducing the contrast from its default setting (e.g., to -18) can improve image quality by preventing whites from blooming and reducing pixelation.
Color/Tint: Fine-tune color saturation and hue.
Sharpness: Adjust for image detail.
Aspect Ratio: Select the appropriate aspect ratio (e.g., 16:9 for widescreen content, 4:3). The HC4000 supports Blu-ray 24P direct output for smooth cinema film playback.
Anamorphic Lens Mode: If using an anamorphic lens, enable this mode for proper image scaling.

4. Lamp Modes

The projector offers different lamp modes to balance brightness and lamp life.

Standard Mode: Provides maximum brightness.
Low Mode (Eco Mode): Reduces brightness slightly but significantly extends lamp life up to 5000 hours and lowers fan noise.

Maintenance

1. Lamp Replacement

The projector lamp has an estimated life of up to 5000 hours in low mode. When the lamp reaches the end of its life, a warning message will appear, and the lamp indicator light may flash. Always use a genuine Mitsubishi replacement lamp (Model: VLT-HC3800LP).

Turn off the projector and unplug the power cord.
Allow the projector to cool down for at least 60 minutes. The lamp operates at high temperatures.
Locate the lamp cover (refer to the diagram in the full service manual).
Remove the screw(s) securing the lamp cover and gently remove the cover.
Unscrew the lamp module and carefully pull it out.
Insert the new VLT-HC3800LP lamp module, ensuring it is seated correctly.
Secure the new lamp with its screw(s) and replace the lamp cover.
Plug in the power cord and reset the lamp timer in the projector's OSD menu.

Mitsubishi HC4000 Lamp Replacement Diagram

Figure 3: Illustration of the lamp compartment and replacement procedure for the Mitsubishi HC4000.

2. Cleaning

Lens: Use a soft, lint-free cloth specifically designed for optical lenses. Do not use abrasive cleaners.
Projector Casing: Wipe with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and mild detergent, then wipe dry.
Ventilation Openings: Periodically clean dust from the ventilation grilles using a soft brush or a low-power vacuum cleaner.

Troubleshooting

Problem	Possible Cause	Solution
No image displayed	Power cord disconnected Input source not selected Source device not powered on Lens cap on	Check power connection. Select correct input source. Ensure source device is on. Remove lens cap.
Image is blurry	Lens out of focus Projector too close/far	Adjust focus ring. Adjust projector distance or zoom.
Image is trapezoidal	Projector not perpendicular to screen	Adjust keystone correction in OSD menu. Reposition projector for better alignment.
Whites appear "blooming" or image pixelated	Contrast setting too high	Access the OSD menu and reduce the Contrast setting (e.g., to -18 or lower) to prevent over-saturation of white levels.
"Rainbow Effect" (brief color flashes)	Characteristic of single-chip DLP projectors	This is a known characteristic of DLP technology for some sensitive viewers. It is not a malfunction.

Specifications

Model Name	HC4000
Display Technology	DLP
Native Resolution	1920 x 1080 (1080p)
Brightness	1300 ANSI Lumens
Contrast Ratio	4,000:1 (on/off)
Lamp Life	Up to 5000 hours (low mode)
Replacement Lamp	VLT-HC3800LP
Zoom Lens	Manual Focus & Zoom (1.5:1 ratio)
Connectivity	HDMI
Fan Noise	31dBA (standard mode)
Weight	3500 Grams
Maximum Image Size	300 Inches
Minimum Image Size	50 Inches

Warranty and Support

Your Mitsubishi HC4000 projector comes with the following warranty:

Projector: 2-Years Limited Parts and Labor Warranty.
Lamp: 1-Year or 500-Hours lamp warranty, whichever comes first.

Please note that this item is non-returnable. Warranty claims are valid through the manufacturer. For technical support or warranty service, please contact Mitsubishi customer service directly. Contact information can typically be found on the official Mitsubishi website or in the warranty card included with your product.