WD-73831 - Television MITSUBISHI - Free user manual and instructions
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| Brand | Mitsubishi |
| Model | WD-73831 |
| Product Type | Rear Projection DLP Television |
| Screen Size | 73 inches diagonal |
| Display Resolution | 1920 x 1080 (Full HD) |
| Aspect Ratio | 16:9 |
| Brightness | 550 cd/m² |
| Contrast Ratio | 2500:1 |
| Viewing Angle | 160° horizontal and vertical |
| Video Inputs | 2x HDMI, 2x Component, 1x Composite, 1x S-Video, 1x PC/VGA |
| Audio Output | Stereo RCA, Optical digital audio output |
| Built-in Speakers | 15W x 2 |
| Tuner | ATSC / NTSC |
| Power Consumption | 350W (max), <1W standby |
| Dimensions (W x H x D) without stand | 66.5" x 38.5" x 21.5" (169 x 98 x 55 cm) |
| Weight without stand | 97 lbs (44 kg) |
| Lamp Life | Up to 4,000 hours (in standard mode) |
| Cleaning Instructions | Use a soft, dry microfiber cloth for the screen and exterior. Avoid abrasive cleaners or liquids. |
| Safety Information | Ensure adequate ventilation; do not block air vents. Place on a stable, level surface. |
| Repairability | Lamp replacement accessible via side panel; user-replaceable. Air filter should be cleaned regularly. |
Frequently Asked Questions - WD-73831 MITSUBISHI
How do I clean the screen of my Mitsubishi WD-73831?
Turn off and unplug the TV. Use a soft, dry microfiber cloth to gently wipe the screen in a circular motion. Do not use any liquids, glass cleaners, or paper towels, as they may damage the anti-reflective coating.
How often should I replace the projection lamp?
The lamp life is typically up to 4,000 hours. If the picture becomes dim or the lamp indicator lights up, replace the lamp. It's a user-serviceable part; you can order a replacement from Mitsubishi parts suppliers.
Why is the picture not sharp or fuzzy?
Check if the focus is adjusted correctly. Use the focus ring on the projection lens. Also ensure you're using the correct resolution (1920x1080) for your signal source. Try a different HDMI cable or input.
Can I connect a soundbar or external audio system?
Yes. Use the optical digital audio output or the stereo RCA outputs to connect to your soundbar or receiver. This allows you to enjoy better sound quality while using the TV's video features.
How do I reset the TV to factory settings?
Press MENU on the remote, go to Setup or Preferences, then select Reset or Factory Reset. Confirm the action. This will erase all personal settings and restore the original defaults.
Is the WD-73831 wall-mountable?
The WD-73831 is a rear projection TV with a large, deep cabinet. It is not designed for wall mounting; it must be placed on a sturdy, flat surface or a dedicated stand. Ensure the surface can support its 97 lbs weight.
What remote control codes are compatible with universal remotes?
The Mitsubishi WD-73831 typically uses code 1080 or 2180 for many universal remotes. For specific models, check the universal remote's code list or use the auto-search function.
How do I replace the lamp?
Turn off the TV and unplug it. Locate the lamp compartment (usually on the side or back). Remove the cover, disconnect the lamp connector, and pull out the old lamp. Insert the new lamp, reconnect, and replace the cover. Be careful not to touch the new lamp's glass.
My TV has no power at all. What should I check?
First, verify the power cord is plugged in securely. Check the wall outlet with another device. If the TV still won't power on, inspect the main fuse or circuit breaker. If the problem persists, you may need a service technician to check the power supply.
Can I adjust the screen size or aspect ratio?
Yes, press the FORMAT or ASPECT button on the remote to cycle through modes like Standard, Wide, Zoom, and Auto. This adjusts the picture to fit the source content properly.
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USER MANUAL WD-73831 MITSUBISHI
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Product information
Brand : MITSUBISHI
Model : WD-73831
Category : Television