Question about Sony KP-41T65 41" Rear Projection Television

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Sony kp-46s4u Hi i have a rear projection television,The problem is it powers on fine but the green tube has a large bow on top and bottom of the picture.I have used engineer mode and i can ajust everything but the Green Vertical like in RGV menu cent, skew,bow,size etc.However in VSP i can ajust vpos,vlin,vsiz,and vsco. But i still have this very large bow top and bottom. I have replaced both STK's (STK392.040) If anybody can advize me i would be greatfull.Please Help.

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Re: Sony kp-46s4u

Look in hte convergence circuit for opened reistors.

Posted on Oct 28, 2007

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Hi can any one tell me where i can find the resistor fuse on my sony kp-46s4u. Thanks! Tim

U talking a whole convergence kit?Buy the whole convergence kit at websites,Tv

Aug 15, 2011 | Sony KP-41T65 41" Rear Projection...

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2001 Sony KP-53V90 53 in. Rear Projection Television has a problem related only to the picture, the top and bottom of the screen are bowed into the middle, the video feed label and volume scale are also...

This is probably the notorious "light engine" problem that all of these Sonys of this design run into sooner or later. It is usually more expensive to repair that what the TV is worth, sadly. A Sony authorized repair center can confirm this.

Feb 18, 2011 | Sony KP-53V90 53" Rear Projection...

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I have a 53 in. sony projection tv,. bowed picture tubes?!?

Replace Both STK convergence ICs will have part number on them STK392-560 use same part number on your STKs. Also around ICs ck pico fuses 5/6amps they are green or yellow.

Jan 07, 2009 | RCA P56930BL 56" Rear Projection...

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KP-61HS30 Sony TV turn pink and green text is bowed


Check out CONVERGENCE GALLERY . If you see your symptoms you have a problem in your convergence amplifier circuits. Typical Sony Convergence repair requires disassembly for replacement of 2 ICs, sometimes a fuse or 2, then TV is like new.

It is much more complicated than changing batteries on your remote. Many consumers try unsuccessfully to do a convergence repair. I recommend finding someone competent to do it for a reasonable price. Typical repair shop charges may be from $400 to $650.

If you are in the Calgary area, call me. More reasonable rates.


Jul 31, 2008 | Sony KP-41T65 41" Rear Projection...

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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

KP-46S4U lose picture after a few second blink of brightness

does the from led blink if so how mant times pause then blink again?

Feb 12, 2008 | Sony KP-48S65 48" Rear Projection...

1 Answer

Bow in the green tube, what is a reasonable price for repair

Your problem as well as your freinds tv is nota cronic problem with only Sony TVs but with every rear tube projection set ever made. The convergence ICs mostly go bad and yes, sometimes, a cold solder connection on the main convergence board can cause these problems. The IC's should be replaced as a pair as that takes care of problems your going to have down the road with the other colors going funky. A normal repair , depending on the area your in should run about 250.00 up to, but no more then 400 bucks. Good Luck

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