Question about Sony KP-57WS500 57" Rear Projection Television

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My tv is bowing at the top and the bottom of my 57" sony bigscreen. Whats the name for it?

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You have lost your Convergence Board /control. My thoughts is that if you call your local Sony Service Repair Shop and give them the model. They can probably bring out a replacement board and get your 57" back up and running. Semi expensive 2 to 300 Dollars.
Blessings,
A/V Media Guy

Posted on Nov 20, 2009

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Picture problems with a Sony 61" RP


Visit the site named 'Electro-help' for more details. Check this link and select the site named above. View it in 'Flip card' option, which can be selected from the drop down box menu at the left top corner or the display window. It will make search easy. Some times, the ads attached with each posts might help you to find the availability of spare parts. There are more than 640 posts to different brand TVs.

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1 Answer

My 57hx81 has a slight concave bow in the middle top to bottom


Sounds like a problem in the vertical sweep circuit. Check voltages to your convergence ICs. If they are  not to spec then look for bad fuses and capacitors on the power board. These will throw off the DC voltage to the convergence chips causing the bow effect. I've had a single bad pico fuse ($1) cause this symptom. 

Dec 06, 2009 | Toshiba 57HX81 57" Rear Projection...

2 Answers

The pic is off there is bowing at the top and


Picture becoming distorted at the top/bottom of the screen is due to the convergence circuit going bad, and is a common issue with big screen projection TVs.

The convergence circuits will need to be repaired, which will generally require some soldering and ordering new parts for ~$75. If you want to get a TV technician to repair it then you will probably be looking in the region of about $300 for a repair.

Here is a link to repair guide for a Mitsubishi TV. Obviously a different model, but the convergence circuits are generally the same for most makes/models - this will give you an idea of the work involved to fix it: http://www.techlore.com/article/22530/DIY-Repair-Replacing-Convergence-IC-s-on-a-Mitsubshi-TV-Set/

Nov 17, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Colors have separated. and top and bottom af pictures are bowed. i have a sony kp-46s55. its about nini years old and it was free. currently the colors are separated and the top and bottom of the pict


nbad convergence ic , this need to be done by a profecional tv tech , because need to check for the pico fuse and resistor around the area

May 08, 2009 | Televison & Video

1 Answer

GREEN BOWED LINES


You have a convergence problem Call a Sony service center make sure they use original ic's in this model cost is around 350.00 depending on area.

Apr 13, 2009 | Sony Grand WEGA KDP-57WS550 57" Rear...

1 Answer

Tv is messed up


I got a question.

Do you have any stereo speakers anywhere near your television?

This sounds like something a magnetic field could cause from speakers being too close to the tv.

If so try to relocate them and see if the problem goes away.

Jun 15, 2008 | Hitachi 57SWX20B 57" Rear Projection...

2 Answers

Sony kp-53s35 bowed picture on top and bottom


Good day, scotty1980;
Scotty, welcome to 2008. Hold onto your wallet, the has a convergence problem. Which means that the TV's convergence IC's are more than likely bad. The average cost to repair is about $450.00. Unless you are electronically friendly, I would call an authorized service dealer for repair.
Good luck, big IRISH. PS; Hope this was helpful.

May 04, 2008 | Sony KP-53S35 53" Rear Projection...

1 Answer

Slight bowing of picture


Only on newer TV's, yours (I dont think)has the adjustment, if it does it would be in the menu area.

Apr 22, 2008 | Sony KV-36XBR450 36" TV

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