Question about Philips 27PT543S 27" TV

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Mitsubishi WT-42311 My t.v. doesn't turn on when the power button is pushed. When I press input and menu code "22" flashes. This a warning for "short protect" I am not sure where to start looking for the problem. The fuse near the power supply does not look to blown. Can anyone help me with this problem. I have the service manual but, it only tells me the dignoses, it does not explain what the actaul problem could be. Tanks a million!

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2 Answers

Open 9a05 circuit protect on -24 volt. Also replace both STK392-110 convergence ICs. Use Sanyo replacement only. The others won't last.

Posted on Nov 16, 2007

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You have mixed info---match search model # and actual model#.----Re-post.

Posted on Oct 05, 2007

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1 Answer

My t.v. dont stay on


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..

Jan 30, 2008 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

My mitsubishi 42' hd 1080 tv turns off immediately after i turn it on.The set is about 7 years old.HELP!!!!!! niteowl42


Have you acessed the power indicator error code by pressing in the menu and input buttons on the front of the set both in together and hold in for 5 seconds? The led will blink a series of blinks to indicate a 2 digit code which will repeat several times. Let me know what the blink seqience is.

May 31, 2011 | Mitsubishi WT-42311 42" Rear Projection...

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...

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...

1 Answer

2002 Mitsubishi VS50111


convergance amp ic bad
· http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
· http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 17, 2007 | 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

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...

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