Question about RCA HD52W59 HDTV Projection Television

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How much does it cost to have a new convergence ic chip put in.

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Hello, about 40 to 80 pound if you can do it yourself, but it's not just a matter of changing the ic you will also have to test the resistors in front of the ic and any capacitors near by it's a bit job, even bigger if you have no electronic experience hope you get somethink sorted

regards
shaun

Posted on Oct 13, 2010

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Tv was working and the reds wouldnt line up good did the convergence and they were acceptable not perfect though. now the tv went black. is it worth fixing?


Maybe so. Convergence is generally controlled by two large ic's " chips" from the symptoms you describe the convergence ic or stk's as they are commonly called are possible blown. When these short generally that will lead to a shutdown. There could be additional problems as always. Cost are difficult to deternine depending on where you get your repair. If the chips are the problem they generally average about 25 to 50 apeice for the chips. Our shop generally charged about 150 to 200 for such a repair. My advice is it is cost affective to repair this set. .Note: when these ic's blown they can damage other components that might add to cost of repair.

Feb 15, 2011 | JVC AV-56WP30 56" Rear Projection...

2 Answers

My lg rear projection t.v has ghosting mainly with blue. Happened after i moved t.v. From what i have researched it sounds like convergence chip or board?? have tried auto convergence without success - is...


You can try using a convergence coil. You can rent, borrow, or buy one from an electronic parts store. This convergence coil becomes magnatized by plugging it in to the room a/c outlet and you take it to the front of the tv screen with the set on and start a rotating motion and start moving away from the screen backwards about five feet and then cut the convergence coil off from the switch that is on the coil. You may have to do this two to three times. You can also call a tv technician to do this for you which will take him 5 minutes.

Oct 02, 2009 | Televison & Video

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Mitsubishi 1080 hd ws-65809 wont power up


This issue is almost always caused by a faulty Convergence IC inside your TV. These chips heat up and can become damaged over time. The most common cause I have seen for the picture distortion is the heat of the Convergence IC weakening the solder connection to the TV circuit board. If you look on various messages board you will see people rigging wooden dowels and other items to apply pressure to the chips in order to correct their picture issue. This works because when the solder joint is weakened the chip becomes loose and vibrations or pressure will cause it to work or not work correctly. Aside from all that information the correct fix is to have the IC chips replaces on your TV.

The solutions for this issue are as follows:

1. located a tv repair shop that will replace the parts for you. I had the same issue with my 65" Tv and the quote was $350 for the labor and parts.


2. You can ordered the IC replacements yourself online by going to google and looking up a reseller of the STK392-110 Convergence IC that is inside your model TV. You will need 2 of them and they cost around $6 each. If you have the soldering skills to remove the old chips and install the new ones this is by far the most cost effective route. It is a fairly simple process and guides can be found online.

Mar 17, 2009 | Mitsubishi WS-65513 65" Rear Projection...

2 Answers

Hitachi Television


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.

Feb 18, 2009 | Hitachi 53UDX10B 53" Rear Projection...

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Convergence will not adjust


You need to replace Both of your STK ICs these are your convergence ics They are Big Black chips with STK on them for Example STK392-110s ect......... you will also need heat sink silicon to put on back of new ones If stks are 110s use 180s better chips. For Parts go to www.electronix.com or Call 1-800-223-3205 if ics are 020s use 040s if not use same number as on ICs.

Dec 27, 2008 | Toshiba TZ43V61 43" Rear Projection...

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Picture bends in different colors


your Convergence IC chips and resistors arre failing you need to replace them

below is a general disscussion post for a Philips TV which will help you to understand your situation and what you might need usally you will need (2) IC convergence Chips and usally (12) Resisitors what have to be soldered onthe the board after you remove the old ones. this fix usally cost you to do it yourself $30, to have a repair man do it cost around $300-450 a new board if avalible usally costs $250-300

Sorry, for the bad new I hope you have a friend that knows how to work on circuit boards...
good luck,

below is a general post about a philips TV Convergence problem you can read about keep inmind your CHIP and RESISTORS will proball be different type....

you need 2 Convergence IC's STK392-120's (120's and 150's will work) of course order 2 of the same type I'm using replacement 150's they allow for a little higher heat and were cheaper ALSO you need to replace the 12 resistors with 6.8 ohm metal film resistors, make sure they are metal film! don’t skimp out here I did and then they blew and fried my IC's and I had to replace everything again!

Great reference link that I posted
pictures on, check out page 3
http://www.techlore.com/forum/thread/16736/Magnavox-51MP392H-17-51-quot--TV-has-double-vision/

Where I got my parts that worked:
Suburban Electronics
http://www.suburban-elect.com/
Manual Library you should find all you need here:
http://www.techlore.com/group/2/list_downloads



What you need:
(2) STK392-120 OR STK392-150 IC
chips
(12) 6.8 Ohm Metal Film resistors
set of star screw drivers
15 watt pencil solder pencil, DO NOT use a high watt iron you will fry the surface mounted item.
good leaded solder, and flux

Nov 20, 2008 | Mitsubishi WS-65909 65" Rear Projection...

2 Answers

Put new ic chips in and the problem still exsists


Many times when the convergence modules go bad, they blow some of the resistors that feed it power. Look for little small low resistance resistors right in the vicinity of the modules.
Hope Ya Fix It.

Feb 08, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Toshiba 65H81 convergence issue


Does the blue and red crosses move at all ... eather vertically or horizontally. if they move at all then it may not be the chips.. could be a resistor. if the crosses dont move then it probally the ic. these chips run about 7 to 45 dollars apeace depending on type. at our shop we charge around 125 to put in.

Jan 15, 2008 | Toshiba 65H81 65" Rear Projection...

2 Answers

Kp-57ws510 convergence problem


Start by replacing the convergence amplifiers IC's.
Are two STK 392-560 and after that redo the adjustments.

Dec 29, 2007 | Sony KP-57WS510 57" Rear Projection HDTV

2 Answers

Green tube not converging properly


Replace both convergence IC's.....STK392-110 X 2........T.

Nov 15, 2007 | JVC AV-48WP74 48" Rear Projection...

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