Question about Sony KP-53XBR45 53" Rear Projection Television

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Sony projection blue double vision KP-61XBR48 mod #

My problem is the conversion yoke that is NLA got any solutions ? blue horizontal is ok vertical is nonresponsive. help joe

Posted by XWRENCH54 on

  • XWRENCH54 Nov 30, 2007

    BMW rider , My best guess is my only guess ,itook the bulb assembly out to inspect, smells cooked ,all other colors converging.I'm trying to do a home repair w/o professional costs. The yoke is part of the ic board. I tried to locate the yoke assembly used or new and its NLA from sony . thanks joe

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Joe, did you have a tech confirm it`s the yoke? Not a common problem to have a yoke failure, maybe yoke return resistor(s) or possibly bad convergence IC`s, poor signal from DCU (digital convergence unit).

Posted on Nov 29, 2007

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Left side seeing double and color a little odd

Possible there is shift in alignment which can be corrected only with a proper test pattern and resetting procedure.
I would recommend that you must take opinion from Sony for estimation before any work is done.
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I hope that helps.
___________________________________________
on Jul 05, 2010 • Televison & Video
tip

Sony KP-61XBR48 Service Manual Download

Download Sony KP-61XBR48 Service Manual

1bf8dc4.jpg

Would you like to download a free Sony KP-61XBR48 Service Manual?

Have you lost your Sony KP-61XBR48 Service Manual?

Would you like a digital, searchable, pdf version of the Sony KP-61XBR48 Repair Manual?

Follow this link (& click FREE) to download a pdf version of the Sony KP-61XBR48 Service Manual documentation.

I hope that helps.
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I have sony tv kp-65wv600. It has problems. color and video is blurry, double vision, letters are curved

You have a convergence failure.

Convergence IC failure is very common. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless
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Unit appears to have poor convergence due to:
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Cause:
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Resolution:
Loosen a yoke and lower to inspect the tape. If black tape is present remove it from under all yokes (white tape or no tape is OK). Slide yoke or yokes up tight against the CRT and tighten to prevent slipping or rotation. Precede with
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Sounds like a bad solder joint in the power supply or if your audio stays when you lose the video its probably in the deflection circuit either vertical or horizontal. Check the yoke connections.pins for cracked solder as well as the vertical and horizontal outputs also around the flyback.
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Replace both IC's for reliable repair.Also,check  fuses,location sometimes ps5003-5008. fuse value 3.15 amp. ......T.

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