Question about Sony KP-51HW40 51" Rear Projection Television

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I have a Sony rear projection TV and the blue lens is arched on the top and bottom how can i fix this as cheaply as possible

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You will need to replace the two convergence IC'S this set uses--they should be STK-392-560 and are located on metal heat sinks side by side; usually towards the left as you look from the back.

If only one color is skewed, replacing both should cure the problem---a pair of the chips can be purchased on EBAY for about 12 dollars.

Soldering is involved and some skill to get at, remove, and replace the chips.

Let me know if you need more information--I have fixed hundreds of these sets for this problem.

Repair will take about a hour or longer if you have never done it before.

SD TECH

Posted on Jul 21, 2010

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Posted on Jan 02, 2017

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1 Answer

Picture is very blue, especially in dark scenes.


Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.

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1 Answer

My display is arched on the top and bottom of display on my sony kp61hs10. Wanted to know a solution to fix this issue.


Convergence output ICs in your tv got defective and causing arched on top/bottom of screen.
Convergence output ICs will be replaced to fix tv problem. There is Convergence Repair Kit available along with photo instructions to fix tv problem and you can attempt to repair tv if you have little experience for that to understand those instructions. Or local tv repair shop will help you to fix the tv problem.

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1 Answer

Arch in color on Panasonic


hello sound like convergance chips also check resistors and capacitors hope you get it fixed

shaun

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1 Answer

Arched blue lines across screen of Sony 63" Rear Projection TV


Had this problem bout 2,3 years ago...it was fixed in about 5 minutes with the help of this article

Tonight I have to do this fix again..the blue lines came back about a week.
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
I strongly urge you to save the web page locally on your hard drive or print it out and place with the tv manual....

Good Luck..

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1 Answer

Blue Horizontal arching lines, Blue hue at power on


if you take the front cover off the tv, you will see 6 little nobe, the top 3 are focus, bottom 3 are brightness, should be RED-BLUE-GREEN in order from left to right, find the one that is blue, turn it down a quarter turn, should fix the problem

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sounds like the blue crt is shorted and thats causing the red voltage to increase causing retrace lines then shutting your set down. You can get new CRTs at the following link with free shipping but they are pricey.
http://servicemanuals.vstore.ca/

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1 Answer

Arch on top and bottom of tv


You can try adjusting the convergence manually, but this is not a good symptom for your TV to have.

Look at this Quick Start Guide, p. 7:
http://www.p4c.philips.com/files/5/51mp392h_17/51mp392h_17_qsg_aen.pdf

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1 Answer

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color shadows on numbers or letters indicate a possible convergence problem.. might be a crt deflection problem.

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3 Answers

Picture then fades to blue.


Please post me on this as well. My Sony just turned 4 yrs this Jan and just last week it started having the same problem. -Thanks!

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