Question about Sony KV-36XBR450 36" TV

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Slight bowing of picture

When watching straight lines (like the TV guide) I notice a slight bowing at the top and bottom. both bow up. At the bottom it is about 3/8" higher in the middle than at the sides and at the top it is about 1/4" higher in the middle than at the sides. Is there an adjustment for this.

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  • Dirtys Apr 23, 2008

    Thanks. Mine does not have it in the on screen menu only a tilt adjustment. I need to remove the back and adjust from there if possible?????

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

Posted on Apr 22, 2008

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1 Answer

Top and bottom of picture in center of screen dips like a bow tie


The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board reqiured changes it 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board problems to solved the tv picture convergence picture problems.The shop,will cost like $300-350 for parts and labors.

Feb 01, 2011 | Mitsubishi WS-65908 TV

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The top of the picture is bowing down, and the bottom of the picture is bowing up, and throwing the convergence out. What is causing this?


The 2 STK convergence ICS and some or all it resistors are the cause and is dead.The tv convergence board require these parts to be replaced to solved the convergence problems.The shop will cost u $300-350 for parts and labors.

Jul 13, 2010 | Sony KP-61HS30 TV

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PICTURE ON TV LOOKS BENT. ALL STRAIGHT LINE ARE CURVED


In order to provide a correct dianosis and cure, I will need to know the model number and in which direction the bow occurs. Does the curve occur from the top and bottom toward the center or from the sides toward the center? There are different circuits involved in these case.

Please update this and I'll provide a solution.

Thanks,
Dan

Nov 03, 2009 | JVC Televison & Video

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Tv's picture is messed up.


Symptom: Blue convergence off, bowed inward at the top and bottom with No blue vert movement.
Cause: Replace IK05 (STK392-110) and RK54 (1.5 ohm/1W) and converge. RK50(2.2 ohm/1W)

Sep 20, 2009 | Hitachi 43FDX01B TV

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Sony KV-32FS13:Pictured slightly bowed down at sides


Your symptoms sound like you have a problem in the pincushion circuit.
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Aug 15, 2009 | Sony Televison & Video

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Screen is bowed on top and bottom.


Projection sets have two very common problems outlined below.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. The TV can also shut down when the convergence starts to fail.

Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith, RCA and others.


You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 13, 2009 | Samsung PCL5415R TV

1 Answer

Picture bowing up in middle


The most common cause for this are electrolytic capacitors in the pinn amp and scan amplifiers going out of spec with age and use. It is more rare, but it is still possible have other support components go defective in these areas. This fault is refered to as pin amp distortion.

I have repaired many of this type of problem over the years.

If you decide to troubleshoot this yourself, take care about the high voltages employed in the TV set.


Jerry G.

Apr 23, 2008 | Sony KV-36XBR450 36" TV

1 Answer

Bow like image


You likely have bad convergence output ic's type #STK392-570.  These can be purchased at UED 800-648-6657.  You will need to remove the board they are mounted on to be able to usolder the old ones and resolder the new ones.  These will be mounted on heat sinks.

Sep 08, 2007 | Mitsubishi WS-65819 TV

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Sony FD Trinitron WEGA KV-36HS500 36" TV - Bowed Picture


it sounds like a convergence adjustment problem. If you hava book on the tv still read it, and it will tell you what to do, other wise, look for a convergence button on the front of your tv, and take the remote and push menu to bring up setup, and go convergence adjustment click it and hit the conv. button on the front of the screen. there should be to lines going vertical and horizontal, these are the limes you adjust with your remote, you have to adjust the red and blue, the tv should blink to let you know which color you are on. when you have them lined up right the line will be perfectly white. hope this helps

Jan 31, 2007 | Sony FD Trinitron WEGA KV-36HS500 36" TV

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