Question about Mitsubishi WT-42311 42" Rear Projection Television

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My t.v. dont stay on

I have a mitsubishi wt/42311 t.v. just got it I push the power button on the light flashes when I push the menu & input it flashes a 12 code help

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Hi,

First do a hard reset. Merely unplug the power cord for 4 hours, then restart it. This will correct it if the cause is corrupted soft codes.

If not, the protection circuit has captured the power management and you must have it looked at by a service tech.

Let me know if there is more.
Dont forget to rate me as fixya..

Posted on Jan 30, 2008

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Posted on Jan 02, 2017

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1 Answer

When i press power the timer light flashes and the T.V. turns on and right back off.


If model number is WT-42311 do the self check the set has.

When power light comes on and then goes off, on front of set press both the Menu and Input (device) buttons at the same time and hold for at least 5 seconds and then release both buttons.

Power light will blink a two digit error code like: 2 blinks, 2 blinks, a pause and the repeat the code several times.

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

If this has helped you, rate this solution as very helpful as I do this here for free.

SD TECH

Oct 03, 2010 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

When I go to turn it on it clicks and then clicks off


do the self check this model has and let me know what you find:

when it shuts off press ON THE FRONT OF THE TV both the menu and input (or device) buttons at the same time for at least five seconds and release both buttons.

The power light will blink a two digit error code.

for example---2 blinks, a pause and 2 blinks (this is the most common error code)

Let me know what code you find and I will tell you what it means and what can be done.

If this helped you rate this solution as I do this here for free.

SD TECH

Dec 15, 2009 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

Mitsubishi wt-42311 green light flashes and turns


Mits are bad about power supply capacitors failing. It can be fixed fairly cheaply, but requires some skill at disassembly of the tv and unsoldering/soldering.

Dec 10, 2009 | Televison & Video

2 Answers

WT 42311 won't power up


All that is wrong is the Convergence IS's. They are located on the deflection board (IC8C01 and IC8C02) and are mounted to a very large heat sink. They are black and are STK IC's, STK392-110. Replace both IC's with STK392-120 and you're in business. The -120's are and upgrade and have a higher amp rating. The IC's can be found anywhere on the internet for $9.99 and up. Check Electronix.com, MCM Electonics, Mat Electeonics for starters. Gook luck. Gary D.

Aug 11, 2008 | Mitsubishi WT-42311 42" Rear Projection...

2 Answers

Mitsubishi WT-42311


Most units give a error code "22" short protect circuit. If so check:

Q5A00
C557
and or the
convergence IC's (STK392-110) had failed and caused a diode (D522) to short
out.
If Q5A00 check bad there are other parts that have to be checked or
replaced.

Dec 02, 2007 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

TV Doesn't stay on...


HI
base in your comments in your TV you have defective power oscillation circuit! and need to diagnose your TV with a qualified technician! now if you have knowlegde in electronic trouble shooting i can give you the method to fixed your TV. Thanks in Advance!!!

Nov 15, 2007 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

Mitsubishi wt-42311 tv wont stay on


convergance ic bad
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Oct 28, 2007 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

Mitsubishi tv wt-42311


convergance ic bad
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Oct 22, 2007 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

Will not stay on


Do you have any sound? If not, open the panel and press the menu and input buttons and the same time, count to three and then there will be a code flashed,  it will flash a t least once followed by a pause and then a nother set of flashes let me know

Sep 22, 2007 | Mitsubishi WT-42311 42" Rear Projection...

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Mitsubishi WS-65511 Rear Projection Big Box TV resets with a green flashing light every 5 minutes, Then works fine for 5 more minutes (perfect picture). Acts up worse when cold. Warm it up Works hours It's NOT the DM board caps. I've already replaced the DM caps twice. Not the problem. No repairman will look at the set. Too Old. So am I. I could repair it with help. The power supply must have a safety circuit that will shut down & reset if too much draw. I DON'T have a diagram. I'm not sure how to trace it . Which board? If I unplug boards one at a time, Will it damage other boards ? I know it is NOT the 7 DM board caps everyone keeps telling me. I see no burn't parts, No bulging caps. Tapping on components doesn't reset. What kind of component would act up when cold , But not overdraw when warm? This set has the best beautiful picture when it runs. If you can get past the resetting every 5 minutes for the first hour, You can watch it sometimes for 20 hours. I've left it on at night & it is still on the next morning. Change the channel Or raise the volume, And off it goes. Once or 10 times, Keeps resetting. Then on for 4 or more hours, Maybe. I can't afford a new one. It works GREAT ! when it works. I've notice that even when the set is turned off, The green light starts flashing (resetting itself while it's off) , Then stops. Once in a hundred times it will kick off the breaker & you need to push reset with a pin on the front panel next to the green light. It's probably a 10 cent resistor OR a $ 1.00 cap. If I only had someone with more knowledge than me to help. I know how to use a meter & read a schematic. I built a Heathkit 25"TV in the 70's & all my novice ham gear. I'm 64 & not familiar with digital circuits. Can someone help PLEASE ?

Dec 16, 2017 | Mitsubishi Televison & Video

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