Question about Panasonic PT-53WX52 53" Rear Projection Television

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Tv doesnt work

I just changed my convergence amplifiers on my tv and now when i turn it on, it switches off after a few seconds. Any help?

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  • Panasonic Master
  • 3,459 Answers

You either have faulty convergence chips, faulty soldering, or you forgot a wire.


FYI - 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.
tv doesnt work - 701cb04.jpg

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2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.

The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

Posted on May 14, 2009

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1 Answer

Stays on for 2 seconds and switches off


The convergence amplifiers need to be replaced.
This set may have one big amplfier chip rather than two.
The chip(s) will be on a big aluminum heatsink.
There may be bad resistors related to these chips, as well as one or two fuses that are open.
I've replace many convergence amplifiers.
If you have good soldering skills and ac test fuses and resistors, you can do the repair yourself. Caution that even with the set unplugged, there could still be dangerous voltages present on some components.
Search this site for specific convergence repair related to your set.

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Hello,
This is a sign that the amplifiers are on the verge of going out since it is able to exert partial control over the CRTs. I would suggest that you try manual convergence, follow the direction in the schematic diagram on how to do this. If this does not work then I would suggest either changing out the convergence amplifiers and all of  their biasing resistors, or having a qualified TV repair shop do the job for you.
I hope this helps,
Thank you,
Shuttle83

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Hello billy218,

What is happening is that your convergence amplifier modules are beginning to go bad. These amplifiers are what amplify the signals used for convergence (how the RGB lights line up on each other) when they go bad the RGB lights tend to bow towards the center of the TV and the colors begin to mis-align. There are many sites devoted to doing the changing of the amplifiers yourself,however although these sites are accurate in give the instructions on how to change the amplifiers they do very little for actual troubleshooting and finding the underlying cause of the problem. In most cases its just that the amp modules have gone bad, but sometimes there is an overheating problem that triggers the damage. I would suggest having a TV repair person come to your place to check the problem and to fix it. The repair should cost about $250.00

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Tv wont switch on


Hi Johnpb54,

May i know, what's your lcd tv brand and model? When the light change to red color, is it a steady light or blinking light? Or you need more info on repair lcd tv, please visit this site http://lcd-television-repair.com .It may be can help you solve the tv problem.

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Convergence and Power


I would suggest to double check your solder joints. Since you mention that a resistor is overheating, you could have shorted 2 leads when soldering the STK ICs.
Try using a magnifier tool with magnification 2X to 4X to locate any possible solder defects.
Let me know if you need further assistance.

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Intermittent convergence issue became permanent


Hi Ed,

Your convergence amplifiers are definitely bad. The user manual will not work, since it is the same manual that comes with the set when it was new. The service manual can be found at:
http://servicemanuals.net/results.aspx?type=SM&brand=0&model=WS-65819

Best Regards,

MyTvGuy

P.S. Thanks in advance for rating me!

Feb 09, 2008 | Mitsubishi WS-65819 TV

1 Answer

Screen seems to flip


All the symptoms in your tv point to a convergence problem,the unit has 3 amplifiers one for each color,this amplifier IC's need to be replaced and then realign the colors,sometimes just by replacing the Ic's you are able to realign the color with the remote but sometimes they need to be realign from the service menu. You can identify the IC's because they are mounted in heatsinks and by its marking,in the front they have STK--- ---,6 numbers after the letters,their size is about 2.5 " long and 1.5" wide with a row of pins solder to the main board.If you are familiar with tv service this information will help but if you are not too familiar be safe and call for assistance from a servicer.

Oct 12, 2006 | Toshiba 61H70 61" Rear Projection...

1 Answer

TV turns of automatically


could be noumerous things: 1. check power supply, too high or too low voultage may cause TV to shut down. measure it to detarmine if power supply is faulty. 2. check convergence board. If either of these 2 fuses on the convergence panel are open then replace the STK output devices PLUS check for any resistors in that circuit that may have overheated and changed value. Use actual fuse values, putting in a larger fuse, even to try and diagnose problem, will cause more severe damage. 3. Check for bad solder connects on the PC board in the area of the power cord and related components. good luck

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