Question about Sony KP-57HW40 57" Rear Projection Television

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Bows on the sides and top of the t.v. screen. The model is KP-57HW40

It needed a few fuses, we put $200.00 dollars into it already and it works but bows on the sides and top of the t.v. screen. The model is KP-57HW40 and was manufactured november 2001. any ideas how to fix it?

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  • chevzr2 May 29, 2008

    any idea what the price would be??

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Have your convergence amps replaced ....by tech and all will be good.

Posted on May 29, 2008

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Sony kp 57hw40 Convergence Problem The screen looks distorted, Letters or words on the screen are bowed.(I can see double but the screen is stationary all the color, hue, sharpness, brightness, exc. can be...


If after the Flash Focus™ feature has been performed, the colors on the FLASH FOCUS screen do no line up (converge), press the FLASH FOCUS button on the television to begin the cycle again. If the colors on the FLASH FOCUS screen continues to appear misaligned, service will be required .
NOTE: It is recommended to perform the Flash Focus™ feature about thirty minutes after the television has been turned on and keep the room as dark as possible.

Sep 22, 2009 | Sony KP-57HW40 57" Rear Projection...

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Sreen pulled in on top and bottom


Your TV most likely has a 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.
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2c07611.pngSolution

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.

May 15, 2009 | Sony KP-61HS10 61" Rear Projection...

1 Answer

The screen is all bright blue


I have Model # KP-WS500. The screen turn blue.

May 02, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

I have a convergence problem. My Sony KP-65WS510 has a picture that looks like 3-D and bows at the bottom and top of the screen. I already replaced both the IC's STK 392-560 (2 qty.) and check all six 3.5a...


You have a convergence problem. Here are some of the most common symptoms. 
Screen looks 3D
One or more colors can't be adjusted when using the convergence menu. 
Screen is bowed in but stationary.

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. 

>>>Solution<<<< 

You need to replace the convergence chips and convergence resistors. 

Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. 


Dec 09, 2008 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

SONY KP-57HW40 57IN BULB BURNT OUT


Hi,
You need " A-1502-021-A " COUPLER (R) ASSY, CRT for your Sony KP-57HW40 TV.
It is available in Part Store.
Good Luck.

Oct 22, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

My screen just started flashing with red lines something happening to mine, model kp-57hw40


Many of these older Sonys can be repaired by simply reseting the white balance. I can give this anwser if you still need this.

Aug 19, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

KP-57HW40 problem


· http://esupport.sony.com/perl/news-item.pl?news_id=24
· Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.

Jan 13, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Mitsubishi ws55809


Replace both convergence IC's STK392-570 located on
center circuit board on large heatsink.....................T.

Dec 01, 2007 | Sony KP-57HW40 57" Rear Projection...

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