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HI there i was wondering if you could tell me the tools required to change a STK392-040 Original Sanyo IC and how technical you would expect to be to do it myself

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Can you solder ,and do you have a solder ******, also if you solder wrong connection together you will short out other parts, make sure you do not solder into another circuit.

Posted on Dec 07, 2008

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Red and green images surrounding the programming -


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} The best advice I can tell you at this point is to go to tvrepairkits.com and order the complete convergence kit for your model of TV set, no need to search and order multiple parts from different sources and pay multiple shipping fees! The kit comes with original Sanyo STK IC’S , not those cheap aftermarket or china made IC’S full pictorial directions, the thermal paste, resistors, the correct Pico fuses, AND free live on-Line tech assistance in case you run into a problem with the repair. They ship out 2 to 3 day Priority mail, the next day in most cases GOOD LUCK!!!
Larry Dillon, senior tech/tvrepairkits.com

Jul 06, 2009 | Televison & Video

Tip

The best advice I can tell you at this point is to go to TV repair kits.com and...


Found this on another page here on Fixya. Thought I would post it again since it helped me fix my TV.

.................................................................................................

Here are some of the most common symptoms and examples of a convergence problem.

This is a very common failure on Projection sets.

  • 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.
Here are some photos of convergence problems.
50a6c05.jpg
849a269.jpg
68d8bec.jpg

Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Note: If you set has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

1fddde4.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.

This is a a fairly easy DIY job if you know what you are doing or you can call in a pro.

If you want to do the repair yourself check the site www.TvRepairKits.com.

Their kits include a step by step instruction guide, original OEM STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Problem #2 CRT Fluid is Cloudy

Projection tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around video.

Pic of a set that needs the fluid changed. Notice how dull the colors are and how white the screen looks. The screen may also look red, orange, dull, etc.

fb4ca51.jpg

TV set after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.



21e6662.jpg

1fddde4.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant,step by step instructions, etc.

on Feb 26, 2010 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

53udx10 goes into shutdown


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} The best advice I can tell you at this point is to go to tvrepairkits.com and order the complete convergence kit for your model of TV set, no need to search and order multiple parts from different sources and pay multiple shipping fees! The kit comes with original Sanyo STK IC’S , not those cheap aftermarket or china made IC’S full pictorial directions, the thermal paste, resistors, the correct Pico fuses, AND free live on-Line tech assistance in case you run into a problem with the repair. They ship out 2 to 3 day Priority mail, the next day in most cases GOOD LUCK!!!
Larry Dillon, senior tech/tvrepairkits.com

Jul 05, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Distorted image and color separation and overlap


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} The best advice I can tell you at this point is to go to tvrepairkits.com and order the complete convergence kit for your model of TV set, no need to search and order multiple parts from different sources and pay multiple shipping fees! The kit comes with original Sanyo STK IC’S , not those cheap aftermarket or china made IC’S full pictorial directions, the thermal paste, resistors, the correct Pico fuses, AND free live on-Line tech assistance in case you run into a problem with the repair. They ship out 2 to 3 day Priority mail, the next day in most cases GOOD LUCK!!!
Larry Dillon, senior tech/tvrepairkits.com

Jul 05, 2009 | Pioneer SD-532HD5 53" Rear Projection...

1 Answer

Convergence Problem


Hi, the "trick" to this is you don`t need the samsung part number because the stk 392-040 is actually made by Sanyo, call this number and you`ll get exactly what you need 1-800-575-9833 there in Orlando, Fl. and only sell original Sanyo stk``s which is what came in your tv, make sure you check for burnt resistors around those stk`s before installing and powering up your set with the new stk`s, video-tek

Feb 08, 2009 | Samsung Televison & Video

2 Answers

Sony kp-53s15 convergence


IF THE RED OR BLUE ARE ALL OVER THE PLACE ,IT MIGHT HAVE BEEN A SURGE ,MAY NEED TO CHANGE OUT THE CONVERGENT CHIP .HOPEFULLY ITS EASIER TO GET TO THEN A TOSHIBA! $10 PART X40 IN LABOR.

Feb 03, 2009 | JVC AV-48WP30 48" Rear Projection...

3 Answers

3d look on mitsubishi ws-55511


The switch is definately the way to go. I use the the 150 exclusively. Make sure you replace both IC's and for burned resistors around the IC's. Also look around the ic's to make sure all solder connections are good.

Feb 10, 2008 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Red color convergence


Looking from the back of the TV there are 2 large finned aluminum heat sinks just right of center. The chips are mounted on them. The one that you need to change is the one closest to you. It will be marked on the bottom side of the board with the letter " V " Unfortunately the chip and heat sink have to be removed at the same time because there is no room to loosen the chip in circuit. This job requires excellent soldering and de soldering skills. There are tiny surface mounted components near the pins of the chip that can be easily dammaged. You also need to check for any burned resistors or open pico fuses near the chip. Use original Sanyo IC`s no generics. Be liberal with the heat sink compound. Good luck and yes you are on the right track. One last note, just change only 1 chip not both unless you are unsure.

Dec 13, 2007 | Toshiba 50H82 50" Rear Projection...

1 Answer

Picture red and green not lining up on my Toshiba 61HX70


Repair will require technical and mechanical skills.The red convergence IC will need replacement,which will require the chassis to be removed.After IC change,alignment in the servicer menu may be needed.Go slow--Remember, above all else,do no harm.You have a great tv,so my suggestion is get a senior tech on this one.

Sep 26, 2007 | Toshiba 61HX70 61" Rear Projection...

2 Answers

Panasonic PT-47wx49 color distortion


you have convergence trouble and possible require ic's to repair the problem.

Aug 22, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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