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Mitsubishi WD-73727 Flickering/color displacement

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Old 01-14-2013, 02:42 AM   #46
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How much do you sell the sensor for?
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Old 01-14-2013, 05:07 AM   #47
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Well for the instructions and the sensor its 60. With free shipping
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Old 01-14-2013, 11:56 PM   #48
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The 1 on eBay comes with the sensor?
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Old 01-15-2013, 04:15 AM   #49
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It does. Its the exact kit. Whats ur tv doing?
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Old 02-09-2013, 05:06 AM   #50
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Typical. Some fool trying to make money off people. You dont need some "kit" for $60
I fixed mine without having to buy some instructions. Just do some research. Took me all of 2 days to gather all the info I needed. You can get the sensor at Wright Hobbies for $2.29
Remove the light engine, not very hard, pull the color wheel cover off, pull the color wheel out and remove the sensor board. De-solder the sensor and replace it with the new one. Done. Will take 1hr of your time.
Do a youtube search for your tv's light engine. For mine the 73732 there was a video oh how to clean the light engine. It tought me how to remove the light engine and where everything was. After I watched that it was a piece of cake. Just make sure you have a de-soldering tool to remove the sensor or you will spend a long while getting the bad sensor off.
Dont be afraid of all the wires. 99% of them have different connectors so there will be only one way to hook them all back up. To be sure just use some tape to label them if you want to make sure. tape both ends like A-A, B-B, C-C, D-D..... etc.

Go to Wright Hobbies dot com and search for GP2S40
Thats the sensor you need. Says they have 55 left in stock right now. They had over 200 when I ordered mine. Dont go buying them all up though, leave some for people who need them since the part is no longer being made.

Last edited by PimpTwzt; 02-09-2013 at 05:15 AM..
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Old 08-03-2013, 08:13 PM   #51
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Quote:
Originally Posted by Loves2Watch View Post
I would suggest selling it for parts as Mitsubishi projection TV's are noted to have a cascade of failing parts. Your money would be much better spent on a new flat panel display from a reputable manufacturer...
THis TV is not a lost cause, it is repairable, so you're gonna enjoy this big Mitsubishi, I've repaired few a this problems, the light engine need to be repaired, you don't have to replace it, you can repair it on component level, the parts are about $100
I wish you an easy repair!Email me if you will have a question.
yuri@tulsatvrepair.biz
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Old 08-05-2013, 05:43 PM   #52
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I have the 73732 and I love it. I had the light engine replaced 3 years ago. Now after replacing the lamp, I am getting the color issues with flickering after running for 20 minutes. I ordered the sensor to replace it and received it today. If I let the Tv run for 30 to 60 more minutes, the TV goes back to normal until I shut it off. Now I am wondering if this is the sensor or if it could be the lamp. Dynamic False Contouring started after changing the lamp. Any help is appreciated.
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Old 08-21-2013, 10:44 AM   #53
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I cleaned it with 90% isopropyl alcohol and a micro fiber cloth. I tried a lens cleaning cloth, but it left streaks. Cleaning the wheel really improved the colors, but you've got to be real careful. You can't buy replacement wheels.
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Old 10-01-2013, 11:05 AM   #54
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Still have some sensors left. Left me know if u need help.
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Old 10-22-2013, 07:54 AM   #55
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So, I changed the sensor and put everything back together. Now the lamp is not lighting up. I get a loud whirring sound, that happens, stops and then starts again about 4 times. Was not happy with soldering job and wonder if could be issue with that. Looks like burns around the whole I put sensor in. Hope I did not ruin board.
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Old 10-22-2013, 08:46 AM   #56
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Sounds like a bad bulb. The whirling sound is the lamp trying to light off. Make sure u got it seated good.

You can take a ohm meter and check the chip to the connector and make sure it has a good connection.
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Old 10-22-2013, 10:31 AM   #57
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The lamp light did come on at one point. I will try reseating when home. If I burnt the sensor board or messed it up, would the color wheel still spin? I do have extra sensors.
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Old 10-22-2013, 10:36 AM   #58
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It will still try to come on. The unit will have messed up colors is all. If u can get to the back of the tv. Watch the bulb and see if it ever fires off. You should hear it and should see the flashes of light if u have the cover off. I normally trip out the light bulb cover sensor so it will come on.
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Old 10-23-2013, 04:13 PM   #59
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So I put the bulb back in and also put a different bulb in and still not working. The whirring is gone but the red status light is on. Looks like will have to pull it back out and see if something is not plugged in or hooked up wrong.
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Old 10-23-2013, 04:57 PM   #60
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Make sure the lamp switch is hooked up and make sure the cover is on or closed so it thinks the cover is on
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