Question about Mitsubishi WT-42311 42" Rear Projection Television

2 Answers

Red convergence out of range.

The tv appears to have a problem with the red verticle convergence.  The outer edges of the screen are blurry.  Went to the convergence screen and found the red to be out of adjustment. It is bowed so much on the right side of the screen it cannot be compensated.

Posted by on

2 Answers

Re: red convergence out of range.

My wt 42311 used stk392-110, I replaced both w/ 392-150.
Perfect picture, just had to converge in the advanced setting in 7-8 spots.

Posted on Dec 16, 2007

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert who has answered 1,000 questions.

  • Master
  • 1,694 Answers
Re: red convergence out of range.

Replace STK393-570 convergence IC. located on center PCB.
re-check alignment........T.

Posted on Oct 24, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

When text appears on screen, the letters overlap on R/L sides

Ur tv have a convergence problems,the 2 STK convergence ICS are defective.Try website like Tv repair sell the rebuild Akai/Samsung the whole convergence board.They used the same convergence board.

May 07, 2010 | Akai PT4298HD Rear Projection Television

1 Answer

The outer edges of my screen are showing double images ie I get blue and red images

Adjust the cross hairs on your TV. See menu setting for convergence. If this will not cure the have a bad convergence board!

Jan 07, 2010 | Zenith R57W46 57" Rear Projection...

1 Answer

Picture appears blurry, duplicate images almost. Mostly around the outer edges.

You need to have the convergence IC's replaced. Try going into your menu and look for Convergence alignment adjustment option, you should be able to move the red and blue cross hair on the screen, just follow the instruction on the set and see which on does not move, then have that one replaced. But I strongly suggest that you replace them both, as if one has failed the other is not far behind, and will cost you more to replace in the long run. Better to do some prevention now then have the same problem happen again in the near future. A good note to give the technician i you don't repair it yourself, If the unit uses convergence IC's part #STK-392-110, Have him or her install higher rating ones #STK-392-120 these will last longer.

Nov 15, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

I've got an RCA ctc195 series TV and the lamps appear to be working but the TV images are coming on with blue/red/green around the edges making them blurry - I know it's an old TV but I need it to work...

It sounds as if you have a convergence issue. If you go into the menue with the remote control
and highlite the screen selection. this should get you to the convergence selection. if you highlite
the RED selection and use the arrow buttons on the remote, you should be able to move the RED
either vertically or horizonally over top of the green line. Do the same with the BLUE selection.
If they do not move, you probly have a failure with the Convergence power Supply. To my knowlege, that board is no longer available and you would need a professioal Service tech to repair the board.
Hope this helps,

Jun 16, 2009 | RCA P56950 56" Rear Projection Television

1 Answer

JVC AV56-WP74 Convergence problem

Hello saduchan,

I think that your ICs are ok, What you need to perform is what is called dynamic convergence, This involves using the internal convergence controls to align the outer edges of the screen. I am assuming that the center of the screen is ok? it's just the edges which are misaligned, right? Now for the bad news, this task is not easy in fact the job takes a pro about 6 to 12 hours to do it right. I think you should have a qualified TV technician attempt the static convergence setup followed by the dynamic convergence setup.

I hope this helps,

Thank you,


Dec 29, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

51 big screen apex tv, convergence or verticle IC?

If the lines are thin and close together running horizontally, it may be the vertical driver, but that usually takes out the resistor and sometimes the diode in the B+ for the vert. Also you must replace the caps that caused the problem in the first place.

Feb 05, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

The words on the screen is doubled or trippled.

Go to the picture control menu and turn the color to minumum so that you are watching a black & white picture. Do this to determine if the color offset affects the overall screen or just the lower corner. If the center is off, go to the convergence adjustment menu and align the red and blue onto the green as described in the owners manual. Some models also allow you to align the outer edges as well. If the bottom is still bad you may have a problem in the convergence circuit. If the outlines are not seriously bowed or distorted a minor convergence toutchup by a qualified technician should correct the problem, otherwise parts are involved and the repair is considered major.

Nov 21, 2007 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

Blurry Image problem with Mitsubishi WS-55805

Hello, if you want I can supply you with the service manual, please leave your email. Best regards, Arpi

Aug 14, 2007 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

Verticle lines

I am woundering if the repair folks did the proper job and used the right IC's as alot of NON authorized shops will use the cheap aftermarket repalcement ICs and not even use any new heat sink compound. 4 repairs in 5 years is very excessive! I would not have called the same shop(s) to do the repairs. Put on the test scren on the TV set and see if the convergence is off. If it is make the shop replace them again for free or ask for your money back. Man what a rippoff that is. Good Luck and keep us informed of your progress with the shop and the repair.

Mar 26, 2007 | JVC AV-48WP30 48" Rear Projection...

Not finding what you are looking for?
Mitsubishi WT-42311 42" Rear Projection Television Logo

155 people viewed this question

Ask a Question

Usually answered in minutes!

Top Mitsubishi Projection Televisions Experts

matt martin
matt martin

Level 3 Expert

1187 Answers

Jaime Hernandez

Level 3 Expert

2267 Answers

The Knight
The Knight

Level 3 Expert

66623 Answers

Are you a Mitsubishi Projection Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides