Question about Panasonic PT-53TW53 53" Rear Projection HDTV-Ready Television

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Pt-53tw53 tnp2a1h046 schematics

Need schematics for a panasonic pt-53tw53, replaced stk392-110 ic's now have a picture that is bowed in on the sides. middle convergence ok

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  • floyd11 Mar 16, 2008

    update: I now have the service manual & schematics. unable to find what is causing the pincushion effect on the picture(severe bowed and distorted) note: covergence will adj the crosshairs but the video is still bowed on the sides. where is the pincushion circuit located? can I send the d board in for repair or exchange?

  • trav613 May 04, 2008

    The picture on my tv bows on both side and at the top and bottom. I have went to menu and fixxed the picture but the longer the tv is on the more the picture bows and starts to get double image. Is there any way to fix this problem?

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  • Master
  • 1,694 Answers

Cheap IC's = open resistor
Replace with X 480293 Kit Use IC's from kit to save $$.......T.

Posted on Apr 29, 2008

  • Vista Electronics Apr 30, 2008

    STK392-110,-120 and -150 subbed by STK394-160E.....in kit

    # X480293........................................T.

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1 Answer

Looking for schematics


I have green convergence not align after replacing both Ics. Please help

Jul 06, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Panasonic PT-53TW53; Red shadows appear and then the t.v. shuts down.


The convergence output IC's have failed. Only fix is to replace them. These are large amplifier IC's bolted to heatsinks and have a high failure rate in all projection sets.

Jun 03, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Red ,Blue and Yellow lines off,curving inword from top and bottom


Its failure of 2 convergence out ICs and requires replacement.
You can replace these ICs if you have basic electronics knowledge and good soldering experience. let me know to provide you more info about parts.

Feb 20, 2009 | Panasonic PT-53TW53 53" Rear Projection...

2 Answers

Convergence


did you check the low ohm resistors? Its not uncommon for some of them to be opend when the ICs go out.

Oct 11, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Panasonic PT-53TW53 53 in with bad picture


Sounds like you need new convergences ICs. There are two of them in your set sometimes you can get away with just replaceing one of them but I wouldn't recommend it. They are not too expensive are 15.00 each once you replace them you have to get into the service mode and adjust the convergence.

Sep 19, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Has bow on bottom of screen-


need to replace both convergence ICs they are both STK392-110 you can get replacements at the following link with free instructions.
http://servicemanuals.vstore.ca/

Jul 20, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

PT-53TW53G


Sorry, I dont have a schematic for that model. I believe you can get one at the following link.
http://servicemanuals.vstore.ca/

Jun 21, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Burnt resistors


Depending on where you bought the ICs you could have fried the new ICs when powering it up with burnt resistors as the green is controled by both ICs one IC controling the horizontal green Convergence and the other IC controling the vertical green convergence. Have you checked all the convergence resistors out of circuit?

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

1 Answer

Panasonic pt 53tw53 rear projection


Check the vertial output IC. either for defective solder or defective IC. This model has a feature if the vertical output IC fails for any reason the picture tubes blank out as a safety issue.Thereby giving no picture but audio still functions.

Mar 11, 2008 | Panasonic PT-53TW53 53" Rear Projection...

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