Question about Mitsubishi WS-55807 TV

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A "green" outline that appears on bright or white objects, especially if sunlit.

Hi, My 6-year old Mits. WS-55807 has been a good performer...really have had NO major technical issues with the set (I have some burn-in as the result of my ignorance in the early years about static images being left on the set too long). The 1080i hi-def is sharp and clear (Comcast DVR) but there are two things I'd like to ask about: 1) I don't seem to be able to crank up the Contrast like I used to, although what I do get is quite acceptable, but there are times I'd like a bit more (especially when viewing a DVD) but it seems to be giving me about as much as it can (note: I do not maintain the Contrast at peak level just because I know it's not good for the set but admittedly, was not always this careful right after purchasing the set). 2) About a year ago I noticed a "green" shadow that appears next to an image (usually but not always on the right side), a good example would be the lines on a Tennis Court or on a road (especially if sunlit)as if a green highlighter was used to paint a green shadow, they will have a distracting green line right next to (paralleling) the white line. I also see this green effect when there is a "window" in the picture (say being viewed from "inside" a room with bright sunlight outside). I find I can reduce this green shadow by reducing the Contrast, but then I'm getting a "flat" picture that is not pleasing to watch. Any ideas? Thanks Telstar Beaverton, Oregon

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  • 317 Answers

Your tv needs to have a convergence circuit rebuild job

Posted on Sep 11, 2007

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1 Answer

Convergence issue


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 05, 2010 | Mitsubishi WS-55807 TV

1 Answer

Ws-65611


you have convergence menus
Activate ……..MENU-2-1-5-9

Coarse Green Tilt
Coarse Red & Blue Tilt
the TV should have a Crosshatch or convergence signal

green done first to make it level
then blue and red to match the green

be carefull not to change any other setting other than the Tilt; because you can really mess up your convergence


if the menu adjustments dont do this for you:

you have a light box assembly inside the set that has the Red, Green and Blue Guns mounted on it: it can be mis alaigned as a whole causing what you are discribing. Also, you have a mirror that relects the guns onto the back of your screen: less likely but it could be misaligned..

Just be carefull not to touch any of the following:
wires, circuits, circuit boards, heat sinks, and especially the three Big wires that go to the 3 picture tubses... they have high voltage
the heat sinks could also be live .. Just be carefull !

make sure you have really good lighting and room to work and you should be able to fix this without a problem.








Ed

Apr 09, 2009 | Mitsubishi WS-65611 65" Rear Projection...

1 Answer

High Definition--WS-55807


IF the MITS has 3 component inputs blue red yellow RCA jacks on the back then yes at 480 or 720p, you'll need to attach 2 audio cables for sound. If it has a HDMI input then absolutely.
please rate!

Mar 11, 2009 | Mitsubishi WS-55807 TV

1 Answer

Mits 55908 Convergence problem


Good Day, John;
It sounds like the Convergence IC's have poor solder connections, by re-soldering the convergence output IC's should solve your problem. The IC's are large and mounted to large silver "heat sink" with STK 392 # on them. Good Luck, big IRISH.

Aug 29, 2008 | Mitsubishi WS-65809 65" Rear Projection...

2 Answers

Mitsubishi WS 55807


Good Day, Girl 1;
Hey, Girl 1, I have four girls not counting my wife . So, helping you may be difficult. Just kidding!
I would highly suspect that you have fluid on your TV's PCB's (printed circuit boards).
So, at this point that you should call an Authorized Service Center and have them give you an estimate before any repairs are performed.
If you want to try repair on your own e me at mmrkcar@yahoo.com.

Thanks you and Good Luck, big IRISH.

Aug 09, 2008 | Mitsubishi WS-55807 TV

3 Answers

MITSUBISHI BLINKING GREEN LIGHT


I've got the blinking lights also. Model # WS-55613. Does anyone know what the problem is?

Dec 27, 2007 | Mitsubishi WS-55807 TV

2 Answers

Green shadows surrounding bright whites


finally a consumer that gives us plenty of info :)
sounds like an overdriven green tube, the only thing you can try is to find the G2/Focus block assembly, either behind front speaker grill or remove back of set and look for a black box approximately 5"X5" , this box will have 6 philips type adjustment screws(plastic) 3 are for focus, do NOT adjust these,
the other 3 are marked "screen" the center screen adjustment screw is for green, turn it VERY slowly counterclockwise while the set is running and pray that your problem dis-appears, be advised that this is a HIGH VOLTAGE device so one hand in your back pocket the other hand turns the screwdriver, if the problem does not go away you have a poor green tube, good luck, sorry I can`t give you the exact location of the G2/Focus block, manufacturers move them to different places every year.

Nov 29, 2007 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

WS-55807: Images are dark on right side of display, but will go away after 3-4 hours.


you could be on the right track get some freeze spray and go around all the parts to see if you can make it act up, same with heatgun or hair dryer when first turned on heat one area at a time to narrow your problem down

Oct 21, 2007 | Mitsubishi WS-55807 TV

1 Answer

Mitsubishi WS-55807


You have a convergence problem, and the sooner you get the set into the shop the less it will cost you. It seems that you may only have bad or cold solder connections on the stk convergence ics. If you keep hitting it to fix it, its goingg to surge the parts then youll be looking at 300 bucks or more to repair. GET THAT SET IN ASAP. Good Luck

Jul 13, 2006 | Mitsubishi WS-55807 TV

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