Question about Mitsubishi WD-52627 52" Television

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Light engine problem?

Hi,
My tv is about 2 1/2 years old. I have replaced lamp once so I am familiar with the bulb failures. The problem I am having now is, periodically, when the tv is turned on, a buzzing/crackling type of sound comes from the back of the tv and the lamp will fail to light up. Sound will be fine and the tv will shut down after a minute of no picture. Sometimes when the lamp fails to come on after the buzz, hitting the on button again will bring on the picture (no buzz). This is completely random. I have looked behind the tv when the buzz sound is present and I can see a light (not a spark but flickers with the buzz) from inside the vents up and to the right of where the lamp housing is. Do you have an idea what the problem is?

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Sounds like your ballast is bad let me know your model number and I should be able to help you

Posted on Apr 12, 2008

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My Mitsubishi tv WD 73734 won't show a picture you can hear sound and it powers on and off lamp light red and timer lighter blinking


No TVs will behave that way due to a timer. TVs only will display a nag screen telling you to reset the timer. If your lamp is more than 2 years old, it is suspect of failure. Be sure you buy a lamp with an Osram brand or Philips brand bulb inside. Any compatible(knockoff)lamps will not perform as they should. Mitsubishi DLP TV Bulbs
These folks sell original Osram bulbs in their lamps and they have a 6 month warranty. I use them myself for repairs and really have had great experiences with them.

Sep 09, 2015 | Mitsubishi WD-73734 73" Television

1 Answer

I have a JVC-HD projection TV model 56G786 and all of a sudden it will not power on. When you try to turn it on the blue light on the power button goes on but after a few seconds it starts flashing and...


Hi,

The JVC 56G786 users manual will not give you a clear or specific answer about confirming bulb failure with the LED lamp or power indicators located on the front of the TV.

If the TV was operating normally for an extended period of time (months or years) and will not start, the problem is almost always bulb failure. If the "Lamp Replacement" warning previously appeared "On-Screen" and the TV will not start, bulb has failed.

The first step in a "no picture" situation with a JVC LCD Rear Projection TV is bulb replacement. There is no way to measure the bulb. Sometimes the bulb is visibly broken or damaged when it fails. Remove the lamp cage and have a look.

The JVC Lamp Gallery has all the JVC models and lamp numbers listed. There is also a link to DIY JVC bulb and lamp installation.

If a good bulb is installed correctly and the TV still does not start, you need a technician. There are no user serviceable parts other than the bulb. Failure of ballasts, power supply boards or controller boards is rare in these TVs.

easyab

May 05, 2011 | JVC HD-56G786 56" Rear Projection HDTV

1 Answer

I have a panasonic projection TV, PT-60C13 that will not turn on. Upon pressing the power on button, the button flashes green many times, then flashes red five time then one orange flash. This red/orange...


Hi,

The most common cause of Panasonic Rear Projection LCD TVs not starting is bulb failure. The PT-60LC13 users manual gives some help in translating the LEDs on the front of the TV.

If the TV worked normally for a period of time (months or years) and won't start, the most likely cause is bulb failure. There is no way to measure the bulb, sometimes the bulb is visibly damaged when it fails. Remove the Lamp Assembly and look at the bulb.

If there was an On-Screen Lamp Replace warning and TV won't start, bulb has failed.

The first step with all Panasonic Rear Projection TV "No Picture" problems is bulb replacement. If that does not remedy the problem, get a technician, there are no user serviceable parts. Guessing if the ballast, power supply, controller board or optical engine is faulty is not practical.

The Panasonic Lamp Gallery shows all Panasonic models and Lamp Numbers. There is also a link to Panasonic DIY bulb and lamp replacement.

easyab

May 05, 2011 | Panasonic PT-60LC13 60" Rear Projection...

2 Answers

The lamp light is blinking once every 5 seconds. The manual says that " Lamp will not light or light is abnormal"


HI,

Panasonic PT50LC13 lamp indicator blinks to tell you the lamp is faulty.

You need to replace the bulb or TY-LA1000 lamp assembly. This link displays all Panasonic TV Lamps and TV Bulbs. This page shows Panasonic lamp location and How to Replace TYLA1000 bulb. TY-LA1000 Bulb Replacement requires the use of a long Philips Screwdriver to reach screws within the lamp cage.

Unplug AC power before removing the lamp and re-install all doors, etc, correctly before starting the TV. Vacuum any visible dust or lint from air vents and lamp area. Do not used forced air to blow out dust, big problems may result.

The user's manual has a description of what the Blinking LED indicators mean.

easyab.jpg
Image of TYLA1000 lamp.


Robert

Apr 14, 2011 | Panasonic PT-50LC13 50" Rear Projection...

1 Answer

I have a 2 year old Mitsubishi WD-73732 - 1080p 73" Medallion Series DLP HDTV - WD73732. I am getting blotches of color when there are large areas of blue color. Looks like irregular moving stains...


It will cost you probably in the area of $700.00 to replace the Light Engine. I don't think it would be a good idea to repair it. DLP sets have been out of production a few years now due to high failure rates of the light engines for all makes and models and the consumer cost for the lamp.

Nov 10, 2010 | Mitsubishi WD-73827 73" HDTV DLP TV

4 Answers

Panasonic projection tv model # pt56lcz7 no picture, bulb out?


This unit does not have the usual lamp assembly that most do. On this unit the whole light engine has to be removed to replace the lamp assembly. Part number is LFS4000PA1 and cost is $1,351.95 @ www.partstore.com.

Sep 01, 2009 | Panasonic PT-50LCZ70 50" HDTV

1 Answer

3rd lamp purchased within 2 yrs


There is a slight chance that you might have an issue with a defective ballast, I mean 3 lamps in 2 years, it's too much. The best way to go here is replacing the ballast, that might solve the issue.

Jul 25, 2009 | Mitsubishi WD-62327 62" Rear Projection...

2 Answers

Mitsubishi 1080p 73'' DLP HDTV - Color distortion


This would be the little sensor on the light wheel. Its cheap, you can get them online for around $2. You will need to take the light engine out and remove the color wheel cover and remove the color wheel and then remove the sensor. You will have to desolder the sensor and remove it to replace with the new one.
What is happening is the sensor is overheating and not tracking the color wheel properly there for the colors get messed up. Once you replace the sensor the tv should work like normal. The part is
(Sharp GP2S40 Photointerrupter). It is very difficult to find because they are not made anymore. Most major online part stores do not carry them but I found a lot of them at Wright Hobbies. Good luck.

Nov 11, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Lamp keeps burning out. I have had the tv 2 years. The original lamp burned out in 1 year. I have since replaced the lamp at least 3 more times in the following year. Help!


Hi.

Im not at all familiar with your sony model but I do know that when A lamp is replaced you must reset the lamp timer if it is not reset it will cause premature lamp failure.
This is normally in the engineers menu as I said I dont know your model its not one I recognise so im sorry but I cant tell you how to enter service mode.
Hopefully one of the techs on here will know how and help you.

http://dysonmanuals.inc.io/

Chris.

Nov 17, 2007 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

How long does a lamp/bulb of a Toshiba DLP 46HM95 46 in last?


Your bulb may be blowing because of airflow issues or power cycling issues, first does your outlet get switched off at any point in time? if so you may be killing the bulb before it cools, if you turn the set on/off alot and or restart it after off quickly this could lead to permature bulb failure, if the original lamp was not replaced with a proper lamp to match the ballast it could blow the bulb. If your tv is too near a heat vent or the airflow thru the set is not adequate it could blow the bulb.

Aug 01, 2007 | Toshiba 46HM95 46" HDTV

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