Question about Samsung HCL5515W 55" Rear Projection Television

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Convergence I have replaced my convergence module after manually adjusting would not work, with the new card the only problem is the red canon will not move horizontally. I can adjust the blue cannon easily but the red will only move vertically and not horizontally. thanks

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Its hardly ever a problem with the convergence board. The problem almost always is the Convergence amp ICs on the sub Board. You need to replace both Convergence amp ICs their numbers are STK392-040 its an easy repair you can get the parts with free installation instructions at the following link. they also offer free instant messageing with their repair tech when youre doing the repair. The job takes about 45 minutes from start to finish. Here is the link.
http://servicemanuals.vstore.ca/

Posted on Apr 14, 2008

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Posted on Jan 02, 2017

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1 Answer

Color is off with double image?


Is the image bow-tie shaped, with red, green or blue fringing effects? If so, one of your convergence amplifiers has gone bad. (Bow-tie: at least one of the three primary colors in the picture goes out to the corners, but the top, bottom and sides are bowed in at the center.)

If it is simple color fringing, with no color grossly misplaced, something has messed up the convergence. This may be caused by a strong magnet near the set (for example, a poorly shielded audio speaker), moving the set so its orientation in the geomagnetic field is altered or its components mechanically shifted (rough handling).

If a convergence amplifier is bad, replace it before doing anything else. If you just have minor fringing, see your owner's manual for instructions on using the remote control to adjust convergence. If it isn't in the owner's manual, you'll need the service manual. Caution: if you try to adjust convergence with a failed convergence amplifier, not only will it not help, but you will have a lot of extra work trying to get it back to normal after you replace the amplifier. Try a small adjustment along one edge of the picture. If one or more of the selected color dots in the convergence pattern won't move, and you are sure you are following adjustment directions, stop immediately and proceed with hardware repair.

Convergence amplifiers are usually marked STK392-nnn where nnn is a specific variant number. Two are used; I usually change both because quite a few people have changed one and had the other die not long afterwards. Sometimes there is a fuse in the power feed to these modules that is also blown. If you change the fuse without replacing the amplifiers, you'll probably waste a new fuse.

Oct 06, 2010 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

50H82 red wavy convergence (stks didn't fix)


If the tin can module you are referring to is the hyper module, it is common to replace all 11 caps because the factory caps ****. Check for bridged solder connections at STK's search the forum at electromaniacs for 50h81 :)

Sep 15, 2009 | Toshiba 57H82 57" Rear Projection...

1 Answer

Seeing double red and blue


replace the convergence board. You can get one at the following link.
http://servicemanuals.vstore.ca/

Apr 12, 2009 | Samsung PCL545R 54" Rear Projection...

2 Answers

Shadowed colors inpicture


Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

Here are some of the most common symptoms and example photos of a convergence problem

  • 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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them 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.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Mar 12, 2009 | Hitachi 46F500 46" Rear Projection...

1 Answer

PT-53wx53g Convergence issue?


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them 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.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV 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 images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.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, photos. instructions, etc.

Mar 02, 2009 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

My red is out of focus


you need to replace the STK392-110 convergence ICs you need to replace them both. Very easy repair on that model. You can get new replacement ICs at the foloowing link along with free instructions and free instant messageing tech support to help you through the repair. Heres the link.
http://servicemanuals.vstore.ca/

May 26, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Color alignment problem


You will need to put the unit into wahts called service mode because it will have to totally realigned since you change the whole module you changed the chip that had you stored memory setting for convergence called an EEPROM. here in the shop I would unsolder the old EEPROM and put it on the new BOARD. Also on most models you don't have adjustments for the green you have to move red and blue to match green. Imay want you to describe again to me what you can adjust now with the new board in the unit can you move all colors left right and up/down

Mar 10, 2008 | Samsung HCM4215W 42" Rear Projection...

3 Answers

Red convergence wont move


if the red line is blurry and you have adjusted the screen focus control and does not work then you prob have a bad red CRT or bad red CRT fluid.........

convergence STK have nothing to do with the red being blurry

Dec 09, 2007 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Convergence board replace, still cannot manually adjust covergence


Do you have everything pluged in?
did you get a new board or repaired board. I think it's defective if everything checks out

Apr 14, 2007 | Samsung HCN529W 52" Rear Projection...

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