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DLP won't turn on, whinning noise

My Mitsubishi WD-57731 won't turn on. It'll make a whinning noise and crackling noise. I checked lamp and it doesn't look burned out. After TV fails to turn on the TV will not respond to any buttons unless you reset it. There's no yellow or red light.

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  • mothballls Jul 01, 2009

    Ok. I brought my DLP to a TV repair shop and they said the lamp and ballast was out. They replaced both. But last night and today my TV looks like it's not as bright. I wasn't sure if it was just me but I asked my wife and she agreed.
    Does it take some time for the ballast/lamp to break in or think a different brand could cause it?

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It takes a trained eye to see failure in the bulb. I susppect the lamo is gone. You hear the color wheel spin up and the lamp tring to arc. (crackling sound)

Posted on Jun 28, 2009

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Sounds like the repair guy sold you a generic or remanufactured bulb. There is no break in time on these parts, more like a break down time....it will only get dimmer with time. If you're comfortable doing so, pull the bulb and inspect it. Look for a brand name, if it says philips or osram you're fine. If you don't see either of those, then this ballast may not run quite as hot as the last. If the dimming effect is something that really bothers you, call the repair man and tell him. Also look at your work order reciept, does it specify what kind of bulb was used as a replacement?

Posted on Aug 04, 2009

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1 Answer

Blinking yellow light on Mitsubishi wd 57731


Based on the service manual:
Blinking yellow= Lamp cover is open.
It could be something else!

www.aaatvservice.com

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you are using an antenna? there are 2 antenna connections on this tv, make sure you have selected the proper one before sacanning for channels

Feb 10, 2013 | Mitsubishi WD-57731 57" DLP HDTV

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How can you diagnose a failed lamp in a Mitsubishi DLP WD 52631


Remove the lamp and do a visual inspection.
If this is a DLP you may have a bad color wheel! whistling sound is a sign of color wheel.

Good luck to you

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May 08, 2012 | Mitsubishi TV Lamp 915P049010 for WD-52631...

1 Answer

I see no picture


Televisions covered: Mitsubishi DLP High-Definition Televisions:
C Series: WD-60C8, WD-65C8, WD-73C8
735 Series: WD-60735, WD-65735, WD-73735
736 Series: WD-65736, WD-73736
835 Series: WD-65835, WD-73835

Here's an online version of your televison's (94 page) "Owner's Guide":
http://www.mitsubishi-tv.com/pdf/ownersguides/WD-60735.pdf

It sounds like the lamp in your "Mitsubishi Lamp-Cartridge" blew.

If your TV remains under warranty, you'll want to call Mitsubishi at 1-800-553-7278, and you'll need to have (a) Mitsubishi Model number, (b) serial number, (c) TV purchase date, and you'll have to ship the old lamp module back to Mitsubishi so that:
"All lamps replaced under warranty must be returned to Mitsubishi where they will be inspected for defect verification."

Return old Lamp-Cartridge to:

Mitsubishi Digital Electronics America
1001 Cherry Drive, Suite 2
Braselton, Georgia 30517

If you have trouble finding your TV's information, you need better "Warranty Management". Warranty Management can be done with software, or on paper. You may even choose to toss all your Owner's Manuals into a box, with the receipts. In case anything malfunctions/needs to be reprogrammed/reset then the manual & spare parts/cables (in a large Zip-Loc(R) baggie or two) can be quickly located and consulted.

If you television happens to be out of warranty, a nice (expensive) new lamp module can be ordered from Mitsubishi by calling 1-800-553-7278, or by ordering online at http://www.mitsuparts.com.

Refer to pages 75-76 of your Owner's Guide for complete Lamp-Cartridge module replacement instructions (with nice illustrations).

Your TV's Lamp-Cartridge part number is: Mitsubishi 915B403001

Here's an online source for the Mitsubishi 915B403001 Lamp-Cartridge:
http://www.dlplamps.com/products/mitsubishi-dlp-lamp/mitsubishi-915b403001.html?gclid=CLzb6ciaiq0CFQdN4AodZkMonA

Note that with the dlplamps.com offerings, you can purchase the lamp only for $109, or the entire lamp-cartridge module for $129. So you can save yourself $20 if you're handy. Remember to keep all fingerprints off the lamp glass element - this small amount of oil will weaken the glass, and cause premature failure of the lamp. In the event that you get a fingerprint on the lamp glass, erase it thoroughly with rubbing alcohol. Alternatively, one may prevent fingerprints with latex gloves (make sure you haven't an allergy to latex, though).

If the reason that the lamp blew turns out to have been a clogged Lamp-Cartridge Filter (once you have the Lamp-Cartridge out of the TV and in your hand, you'll be able to easily see the mesh filter), then place a regular PM (Preventative Maintenance) of this filter on your calendar.

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1 Answer

Replaced lamp but lamp light still blinks orange


I have a wd-57731 The lamp light blinked orange. i replaced the lamp turned the tv on and the timer blinks green for one minute and then the lamp light blinks orange again. It won't turn on. Can you suggest anything?

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1 Answer

I have a mitsubishi WD-57731 57 In. DLP. When I power it up I get no or video it makes a whirring light clicking electrical sound in the back. The timer indicator flashes green for like 20 secs or so when...


The whirring is the fan. The clicking is the spark gap on the ballast releasing the unspent voltage trying to fire on your lamp.

Check your lamp; it may be unseated (unlikely) or just blown/bad (likely).

Jun 15, 2009 | Mitsubishi WD-57731 57" Projection HDTV

1 Answer

Buzzing noise from Mitsubishi DLP WD-52327 after replacing bulb


Did your replace lamp come on the screen or did you lose picture? Just because the LED indicator suggest replace lamp it doesn't mean it needs it. If your pix was dull or loss of brightness then replace it, if not then just reset your lamp timer, check your owners manual for instructions.

Feb 14, 2009 | Mitsubishi WD-52327 52" Rear Projection...

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