Question about Mitsubishi WT-46809 46" Rear Projection Television

1 Answer

Mitsubishi wt-46809 wont turn on

When i go to turn tv on the green light will come on and go off within two seconds and i hear a clicking noise in the back when it trys to turn on then off

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  • star_mith Nov 13, 2008

    hit the power button the green light comes on then it shuts off in 1.5 seconds... please let me know if you have a solution!

  • Anonymous Nov 16, 2008

    i have the same problem - is there a reset? i do not have expierence with tv's - replacing boards, etc.

  • szar6 Nov 17, 2008

    Having same issue with my Mits 46" tv. I'll let you know what the tech says when he comes out Friday.

  • Anonymous Nov 21, 2008

    I have exactly the same problem with the same tv model. Szar6 hopefully, you can give us a feedback please on how your tech resolved it or shall I say how much it cost you...thanks and hope to hear from you soon...

  • redridert2 Nov 21, 2008

    I have the same problem, green light on for 1 second then off. I can solder and use a DMM. Where do I start?

  • tclaus Dec 03, 2008

    I have the same problem light comes on and turn off in 2 seconds

  • yardngarden2 Dec 08, 2008

    I ahve the same problem. I have knowledge using a volt meter solder etc.. Does anyone know what the cause might be?



    Thanks in advance.

  • jason May 11, 2010

    that is the protect circut stopping it from comming on, do you know how to replace components? , solder? use a volt meter or DMM?

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1 Answer

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  • Master
  • 899 Answers

It will need to be checked by a tech to determine the exact cause

electech

Posted on Oct 31, 2008

  • jason Jan 20, 2009

    2 , 1 code probably a bad tube , electrolytic caps also should be checked all over

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1 Answer

The TV was working great yesterday, but today, when you press the power button, th TV clicks on, then within 5 seconds clicks off, picture never appears but green light comes on until TV clicks off. ...


When the power light comes on and then goes out, on the front of the set press both the MENU and INPUT buttons at the same time and hold them both in for at least 5 seconds and then release both buttons.

The power light will blink a 2 digit error code and repeat it at least 5 times.

The most common error will be 2 blinks, 2 blinks- a pause and then it will repeat it for a total of at least 5 times.

To get it to repeat this--you have to unplug the set, try to turn it on again and repeat the process.

The error codes are to try to narrow down where the problem is.

Let me know what error code you find and I will tell you what it means.

If this told you something you did not know rate this solution as very helpful as I do this here for free.

Post comment here if I can assist you further.

SD TECH

Sep 28, 2010 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

When I turn on my tv it will shut off


Model number is WT-46809?


If set comes on for a moment and then goes off(green power light)

ON THE FRONT OF THE SET PRESS BOTH menu AND input at the same time and hold both buttons in for at least 5 seconds---then release both buttons.

Watch the power light---it should blink a two digit code---ERROR CODE---
The most common is 2 blinks, a pause and 2 blinks-----set will repeat the error code about 10 times.


If you find this error code let me know the blinks and I will tell you what it means and may be able to tell you what is needed to correct it.

SD TECH

Oct 20, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi problem


This is a very common failure on Projection sets. Its called a convergence problem.

You may have one or more of the following symptoms.
  • Screen looks 3D
    Colors don't line up
    One or more colors can't be adjusted when using the convergence menu.
    Screen is bowed or warped.
    No Audio / No Video

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

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 25, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

TV wont stay on


shutting down can be due to a blown fuse usually in the convergence section. the fuses are soldered in, with a voltmeter you can measure the fuses. if one is open then probably your convergence ICs are bad. about $250-$400 to have a field tech come to you and replace them. The other possiblity is a CRT (picture tube) fluid leak. this is more costly to fix, to check for a fluid leak pull the front lower panel and check for fluid on the chassis with a flashlight. I have sucessfully cleaning fluid from the chassis with electrical cleaner spray. after covering the chassis with a piece of plastic the set worked fine. A slow drip leak won't hurt the plastic, big leaks are another story.
hope this helps
Eric

Aug 23, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi wt-46809 46in wont power on


You need to adjust the votages going to the crt's. As the flyback transformer starts to go out the voltages to the crts can go up and down causing the tv to shut off. It also causes red, green, or blue arced lines to show up on the screen. It can also cause some color fading in and out or flickering. Adjusting the voltages can fix the problem temporarily but in the long run it's a good idea to replace the flyback. Make sure you read up on how to do this safely.

Jul 21, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi wt-46809 not turning on


Your convergence amp ICs have most likely failed and that will shut the TV down. You need to replace both convergence ICs they are both STK392-570 you can get replacement ICs with free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

Jul 18, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi WT-46809 Turns on with Power light then turns off


there are 2 fuses -24v and 24 v normally would go out because
covergence ics failled . That would be a shutting down problem cased by missing those voltages.so you would need to replace those 5A (small green fuses) , you would need some kind of soldering and unsolderin skill) and the ics are stk392 570.two also. open the set from the fron ,taking speaker grill off and then the wood board behing (4-6 screws) you the the board in the center big metal heatsink. you would need to work from the back to repace those puppies.hdtvman

Jun 07, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

MItsubishi WT 46809- not staying on when turned on


One or more fuse devices open==caused by convergence IC

shorted. Solution==replace fuse(s) and STK I.C.(s).

Oct 08, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Wont stay on


I can help u fix in live chat!

Oct 08, 2007 | Mitsubishi WT-46809 46" Rear Projection...

2 Answers

Power will not stay on


Same TV, same problem. I'll be watching for an answer. The dealer says it is old and outdated and not worth fixing.

Oct 07, 2007 | Mitsubishi WT-46809 46" Rear Projection...

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