Question about Panasonic PT-56WX53 53" Rear Projection HDTV-Ready Television

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Convergence Amp IC Shot

Based on the posts here and at a few other forums, I'm thinking my convergence amp ICs need replacing. I've got a Panasonic PT-56WX53 and can't seem to find the part number anywhere. Been searching through www.electronix.com and servicemanuals.vstore.ca. It seems as though I need STK392-110, but would like to confirm that suspicion before ordering. Any assistance would be greatly appreciated.

Thanks in advance

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  • nyyleeroy May 18, 2008

    Much appreciated. We sold our house and included the TV in the purchase price. Naturally, got the green wavy line last week (3 weeks before closing). Thinking I'll try to fix myself rather than give a $500 closing credit to fix a TV that cost $1200 4 years ago :-)

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  • Panasonic Master
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Yes the convergence ICs are bad, they are stk392-110 but be careful where you get replacement ICs as alot of places sell cheap chinese made knock offs that dont last . I deal with servicemanuals.vstore.ca alot and have never had even one IC go out so I use them exclusively now.

Posted on May 18, 2008

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I have a 4 year old RCA Model # HD52W59 HDTV that just developed a convergence problem. Besides seeing all three colors the picture bow's inward on both the top & bottom of the picture. When you...


Hi


Thanks for using FixYa. This is often caused by failed convergence ICs. I don’t think the issue is with the power supply of the unit as the sound is coming fine from the unit. It’s not a difficult job if you want to do this yourself, you should require some basic knowledge about soldering-resoldering components. To start with you’ll have to open the back of the unit and then replace the ICs (STK ICs) which are located behind the black heat sink and also check the resistors as if they are short the ICs might blow again after sometime. There are
repair kits available which includes repair instructions with the parts, if you want to do it yourself, you can buy and repair it yourself. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Jun 18, 2010 | RCA HD52W59 HDTV Projection Television

1 Answer

JVC AV-48WP30 convergence drifting after IC replacement


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 16, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Panasonic (PT-56HX41PF) rear-projection tv with no picture


The three blinks indicates a convergence IC fault. The convergence ICs must be replaced with the manufacturer replacement part. Use only the original replacement part. Your set uses STK392-110 convergence ICs.
These ICs are mounted on a large heat sink. Yes, you can replace it yourself and save few hundred bucks. But you must be knowledgeable enough on how to solder, resolder and use a multimeter.
You will need:
  1. Convergence ICs
  2. Heat sink grease or thermal compound
  3. Soldering iron
  4. Solder lead.
  5. Digital multimeter
  6. Solder pump
  7. Small side cutter
Feel free to inform me if you decide to replace the ICs yourself

Dec 03, 2009 | Panasonic PT-56HX41 56" Rear Projection...

1 Answer

Panasonic PT-47WX53 has intermittant convergance issue


I would chack the solder connections at the convergence ICs first. Since the set "recovers" on its own, it suggests a connection issue rather than a defective component. Also, if the ICs were installed without sufficient heat sink compound, this could happen as well. Look at low valued resistors in the area of the ICs for signs of overheating as well.

Keep us posted on your progress.

Dan

Oct 19, 2009 | Panasonic Televison & Video

2 Answers

Panasonic TV


thats the error code for convergence. You will need to replace both convergence ICs they are STK392-110 you can get replacement ICs at the following link with free instalation instructions.
http://servicemanuals.vstore.ca/

Sep 04, 2008 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Panasonic rear projection tv, there is a bow at the top and bottom of the screen which makes a double image in blue and green.


Please respond to this same post with your model number and I will post the correct IC numbers of the convergence amp ICs which need replacing.

Jul 12, 2008 | Televison & Video

1 Answer

I have my panasonic tv


This is a convergence problem and is either bad connections at the convergence IC or defective ICs. If you can solder, try resoldering the pins on teh convergence ICs. If that fails to resolve the problem, replace the ICs. These ICs are large black ICs attached to a heatsink and may be marked STKxxx.

Keep us posted on your progress.

Dan

Jun 18, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Red convergence


I suspect you have a bad convergence ic bad the letters 0n the ics start with stk replace ic you will have a good shot that will fix it. you do need to be able to solder . be careful. there are 2 ics replace both .

mcm electronics for parts

thanks jay

Jun 01, 2008 | Mitsubishi VS-55609 55" Rear Projection...

4 Answers

PT-51HX40b BP819


Only use the same part number when replacing convergence amps, or you will need to replace all of the power resistors with recommended values for the convergence amps subsituted.

Dec 08, 2007 | Panasonic PT-51HX40 51" Rear Projection...

2 Answers

Sony HDTV Convergence Issue


No, You will not solve the problem with only changing the convergence IC, associated resisters may also be required.
Beside of that, after spending time to get parts and replace the ICs, you need to make and adjustment the color lines (about 14 lines)
This adjustment without experience will take you about 3 to 4 times and 4 hours each to get thing right (if you areskillfull, most of people failed this adjustment).. The total time spend for this problem would take you full 24 working hours.
I successfully adjusted one set of my big TV (95%, need more more round)), on another set one I failed.

Nov 30, 2007 | Televison & Video

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