Question about Mitsubishi WS-65907 65" Rear Projection Television

3 Answers

WS-65907 Picture problem

When I first turn on the TV the picture comes in with the colors seperated for a few minutes and then they snap back in place. The colors also seperate occassionally while watching TV. We found out by accident that if I hit the bottom of the TV the colors will also snap back in place. Can you help me?

Thank you,

Kevin

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  • kdubbii May 15, 2008

    Why does the TV pop back in to place when I hit it at the base?

  • Anonymous Jun 02, 2008

    the same problem

  • kiyomi Sep 23, 2008

    I have a WS - 73907 with a similar problem. There color bands on the edges that produce a ghosting effect while the center of the picture is OK. It usually snaps back when warm, but is happening more often lately.



    Is there a way to identify the STK circuit board without calling a tech out? I can solder but wouldn't know which board to look at. Any sources for schematics or diagrams?



    Thanks,

    Ken

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3 Answers

If you open the TV from the back. Look toward the front, right. It is a large IC, usually two of them that look alike. All the cable assembly's are coded so it should be easy to disconnect enough of them to flip the large circuit board and get at the underside of the STKs.
Former Great TV Tech

Posted on Oct 30, 2008

By now I hope your TV has been fixed. If not...Don't adjust anything! You have an intermittent problem on your convergence circuit. You have to be comfortable with soldering. Unplug. Find a TV tech, tell him (her) to open up the back of the set. carefully flip over the circuit boards and re-solder all the pins on the STKs. Its a cold solder joint. Done.
Former great TV tech

Posted on Aug 08, 2008

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  • 216 Answers

Greetings joanne7,

The issue you are having could be caused by your television needing the convergence adjusted. During production your televison has the three picture tubes that are converged to form a single image on the screen. Over time these can come out of adjustment.
If you go to this link http://download.jazel.net/misc/filecache/b8/b89bca4c8b740315d378e8ed030461c5_1227-517SeriesOwnersGuide.pdf and check pages 57 and 58, it gives you a very detailed guide on adjusting your convergence. I am aware this model number is slightly different than yours, but I own a 47" Mitsubishi and this is the exact procedure we use to do our convergence so I am confident it is fairly universal.

The reason that they might snap back into place when you hit the base is that they are actually three different colored picture tubes or rods. By hitting the unit, you are moving these. I would suggest doing convergence on a regular basis and to avoid hitting your tv. :)

I hope this helps!

Dorothy
Go Ahead. Use Us.

Posted on Jun 25, 2008

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Sony rear proj tv, no picture, menu appears, but in three seperated colors pin cushioned.


Best to first if you have not done so---UNPLUG the set for several minutes and plug back to power to see if that fixes it (it does a lot of the time especially if you had a power outage).

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I have a WS-65907 tv, it wont turn on


Mitsubishi self check: MOST OF THESE SETS HAVE A SELF DIAGNOSTIC:

UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.

PRESS AND HOLD "device"(input) and "menu" buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC's is blown---set will detect no voltage to convergence IC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

let me know what you find--hope that you find 2 blinks, a pause and two blinks--this is the most common and easiest to fix.

Oct 30, 2012 | Mitsubishi WS-65907 65" Rear Projection...

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The screen is out of focus, the tv will come on but the picture is out of focus it looks like it is being stretched. Words are blury and faces are doubled.


Ur tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board is dead.The convergence board require replacing 2 STK convergnce ICS and some or all of it resistors to fix the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

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Hi, I have the ws-65907 65", it was working last


No,this problems is not the projection lamp problems.The tv now have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows pictures or look like 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u like 300-350 for parts and labors.

Oct 26, 2010 | Mitsubishi WS-65907 65" Rear Projection...

1 Answer

Hello, I have a mitsubishi ws-65907, It has


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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TRY NEW CONNECTERS AND INPUTS,,THEN USE THE CONVERSION

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Dec 14, 2008 | Mitsubishi WS-65907 65" Rear Projection...

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Try resoldering the convergence ICs mitsubishi has been known to be a little stingy on the convergence IC solder in the past.

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Make sure the plugin for the speakers is in place. Easy to skip one plugin when removing boards for service.


Mr Bob

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