Question about Mitsubishi WT-42311 42" Rear Projection Television

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On a mitsubihi wt42311 tv where are the STK-392-110 convergence chips located?

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  • Mitsubishi Master
  • 14,553 Answers

Pretty easy to see them as they are marked with that number right on them.
on a mitsubihi wt42311 tv where are the STK-392-11 - 12_3_2012_6_05_37_pm.jpg


They will be side by side and on a metal heat sink to keep them cool.

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

premtech
  • 934 Answers

SOURCE: blue converge

STK refers to a Sanyo style Ic, in this case your Tv takes a STK393-110 at board location Ic8c00 Mits p/n# 267p155010.
If you don't buy from MDEA make sure to get Sanyo originals from a trusted distributor like ACME Enterprises in Florida. If you're going to attempt this youself you'll also need a good soldering station (like a wes50), a DMM, some heat sink compound and alot of patience.
Use the DMM to test the value of the low ohm resistors that feed those amps. In this case, blue being bad, my guess is you'll find R8c21 & R8c22 (3.9 ohm 1 watt) changed in value or nearly wide open. But check all the 3.9 ohm resistors in that circuit.
The STK393-110 is a multi-layer / multi-pin Ic on a large aluminum heat sink. You'll want to have the patience of Job to extract and insert the new one. Bend the pins too badly and it can make the task ten times more difficult.
Don't hold the solder tip on these too long and don't be in a big hurry to solder them all in one sitting. Solder and couple and give it a few seconds to dissipate heat...
Hope this helps!
Bill

Posted on Nov 17, 2007

  • 99 Answers

SOURCE: Mitsubishi 55" Convergence chip location? Where

Look for a big heat sink (big piece of aluminum) right behind the back access panel. The brown pressboard that you need to take of to have access to the inside of the chassis. I think there is two STK chips for this tv. Older mits only had one. The STK chip is black, should be about 3" long with about 20 pins on it. It may have a metal clip covering the part number on the front.

Posted on Feb 19, 2011

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1 Answer

Convergance chip


devices: Any Projection TV with a Convergence Amp board

If I knew which Mitsubishi Projection TV you're looking at, I could help quite a bit more. In general, the "convergence chips" on a typical Convergence Amplifier board are actually two STK's mounted to large heat sinks. "STK" is electrical engineering slang for "Convergence Amplifier Integrated Circuit".

Here's a helpful Solution archived at FixYa:
http://www.fixya.com/support/t4337218-image_bowed_line

You'll see in the photo that the STK on the PC board actually have part numbers on them that begin with "STK".

Dec 09, 2011 | Mitsubishi Televison & Video

1 Answer

I have sony tv kp-65wv600. It has problems. color and video is blurry, double vision, letters are curved


You have a convergence failure.

Convergence IC failure is very common. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless

Feb 24, 2011 | Televison & Video

1 Answer

The picture is warped red & blues distorted


Your Convergence ICs have failed. It is very common on rear projections. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless. They will be right next to each other.

Feb 20, 2011 | Toshiba 57H81 57" Rear Projection...

1 Answer

Tv is showing double images, not lining up


Your Convergence ICs have failed. Replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu.


Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option to align the red and blue colors

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless.

Feb 20, 2011 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

My 65 inch sony tv half the screen is having colors like 3 d


Your Convergence ICs have failed. It is very common on rear projections. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless.

Feb 20, 2011 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Mitsubishi 55" Convergence chip location? Where


Look for a big heat sink (big piece of aluminum) right behind the back access panel. The brown pressboard that you need to take of to have access to the inside of the chassis. I think there is two STK chips for this tv. Older mits only had one. The STK chip is black, should be about 3" long with about 20 pins on it. It may have a metal clip covering the part number on the front.

Feb 19, 2011 | Mitsubishi WS-55711 55" Rear Projection...

2 Answers

The tv looks like it is in 3d. when i try to adjust the convergiance the plus signs on the left are bent


do not play with this tv replace the stk ic chips and the resistors around the stk chips ,cant miss em about 2 inches big with heat sinks on them.

Sep 11, 2010 | JVC AV-48WP30 48" Rear Projection...

2 Answers

I have a mitsubishi model wt42311 TV that will not stay on. The error code is 2 blinks a pause and 2 blinks. What needs to be fixed?


2,2 is short protection---it means one of the two soldered in fuses that protect the convergence circuit is bad.

What it really means is both of the STK-392-110 convergence chips this set uses need to be replaced---one of them got the fuse.

May be a do it yourself job if you know how to solder etc. Total parts cost should be under 30 dollars.


Let me know if I can assist you further.

SD TECH

Jan 23, 2010 | Mitsubishi WT-42311 42" Rear Projection...

2 Answers

Toshiba 42H83 projection TV red convergence issue


the Convergence Ics are STK392-110 ICs you can get replacement Ics at the following link and they provide free instalation instructions.
http://servicemanuals.vstore.ca/

Jul 03, 2008 | Toshiba 42H83 42" Rear Projection...

1 Answer

Green rainbow streak on bottom of TV PT-47Wx49E


If Convergence on setup dosen't work, And you think its not STK Convergence chips!, Then "Yes" It more then likely will have a few open Resistors!... (Near STK chips)

Jun 24, 2008 | Panasonic PT-47WX49 47" Rear Projection...

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