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Bowing in the middle like an hour glass

The convergence was set and the picture looks very nice but every couple days the picture bows in the middle the picture is not streched. the picture that can be seen looks good. the viewing surface is wide at teh top and wide at the bottom buttom, but more narrow in the middle and the left side has distinct blue and green lines (thick) and the right side and thick distinct yellow and red lines. this problem goes away on its on and reappears on its own. and while it is gone the picture is perfect. thanks in advance I have a zenith IQ6097DT 60 in. it's 12 years old and I have never had any problems with it, but recently the picture started streching out horizontally then the picture went out all together , but there was always sound. now the TV made a popping sound and will not come on at all . I could really use some help, thanks

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About the zenith it seems you have the flyback transformer malfunctioning - try to change it - delfo

Posted on Mar 22, 2008

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We have a Hitachi 53udx10b tv. Recently it was


Projection sets have two very common problems.

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. 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 and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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.pngYou 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

Dec 05, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Bowed picture colors off


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

Nov 02, 2009 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Sony 46 inch proj tv picture is bowed in the middle and color is


Problem #1) Convergence

Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 29, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

My philips 60" philips tv model 60pp9352 picture is squeezed at the middle (like an hour glass on its side), how can I fix?


This is a very common failure on Projection TV sets.
Screen looks 3D
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
You can see some example photos and find a solution here...
http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Mar 16, 2009 | Philips 60PP9352 60" Rear Projection...

1 Answer

65 in sony projection tv


Defective convergence PC board. Must be checked by pro/tech

Apr 21, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Problem with convergence


bad convergence ic's
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 03, 2008 | Philips Magnavox 9P6034C 60" Rear...

2 Answers

Problem with convergence


Try re-soldering the circuit board that contains the STK convergence modules. They're on the center circuit board attached to an aluminum heat sink that's about 8" long and 6" tall, about dead center in the circuit board. You may be able to recreate the problem (hour glass effect) by gently moving the heat sink (which the modules are connected to). This gives the hour glass effect on the picture and the advanced convergence screen. This is an indication that the modules pins aren't solidly connected (meaning soldered) properly. Remove the circuit board and clean the old solder off & resolder the modules pins to the circuit board reconnected the board and then retest by again pushing on the heat sink. This is a caused by a minimum effort (a.k.a. minimum cost) solder job, probably done in some 3rd world sweat shop. The "factory" job was good enough for 3-4 years but the heat (and these modules do create a lot of heat) and stress created from repeated use eventually takes it's toll, weakens the pin connections and our problem occurs. take the appropriate cautions working around the high voltage of the set & use a non-conduting piece of wood to push the heat sink when we doing tests. Best of luck, hope ya fix it.

Jan 02, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Bowing in the middle like an hour glass


OUCH!!!! Don't kick me...would be my response if I were your TV
Convergence amps problem.

If it works after a kick I'd say poor solder joints on the convergence amp leads

Dec 17, 2006 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Picture Distortion


you have a convergence problem.. If you understand how this works then you can go into the set find the convergence ic's and replace them and sometimes you need to do some alighnment as well. Its always best though to let a service tech do a job like this as he will have all the proper equipment to adjust and troubleshoot the set Good luck

Mar 30, 2006 | Sony KP-53HS30 53" Rear Projection...

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