Question about Mitsubishi WS-55807 TV

Mitsubishi WS-55807 image curves concave at middle top and bottom

Image curves concave at middle top and bottom (sideways hour glass shape) and the colors separate at the left and right edges ( you can see separate Red and Blue, etc). any suggestions on what needs to be replaced? I do component computer repair but never got into heavy TV stuff, Did it in college 20 years ago for a short time.

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Anonymous

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Try TvRepairKits.com. I just ordered one, I have that same model TV and it is the same problem. I will try to fix it myself as opposed to an expensive service call for repair.

Posted on Mar 16, 2010

Nick Novikov

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101 Answers

Need replace conv.IC:stk392-570.good luck.

Posted on Feb 07, 2010

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Related Questions:

Picture is concave on top and bottom.

this is convergence failure, but on this model, its usually solder connections before the chips totally fail. here is my tutorial, let me know if you need help diving in and re-soldering
http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence
Let me know if I can be of further assistance.

Jun 18, 2010 | Mitsubishi WS-65809 65" Rear Projection...

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You should have some adjustment for Kine bias and pincushioning. Look for these in settings and readjust the screen

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Probably a power supply problem.
Get a new TV...

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Occasionally the picture snaps into what looks like a pincushion.

it is infact pincushioning.. these tv's have a maze of boards.. try to contact manufactuer about pincushion pcb also try to auto converge colours if you can.

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Hi, thank you for visit fixya.
Pull out the speaker cover ( slow toward your self).
You will see screws in the middle , take it out ( maybe is 4 o 6 screws), be careful with any wires connect to panel control. Disconnect any connector to panel control. Pull toward your self , slow and slide up . Use a fine brush for best result, use glass cleaner liquid.
Any question, I will be here.
If you need additional help, please send me a picture front tv and I will show the right process.

Thank you

Dec 05, 2009 | Mitsubishi WS-55807 TV

Concaved distorted picture in 1080 Mitsubishi 65" TV.

This is a convergence rpoblem that is either bad connections on the pins of the convergence ICs or defective ICs. If you can solder and are comfortable working inside TVs where there are potentially dangerous high voltages, let me know and I'll provide additional details and instructions for fixing this yourself.

Dan

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try to do it inside the board.
there are some adjustments except brightness and focusing..
try if you can ...

regards,

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If you are not familiar with electronic repairs take it to an authorized repair shop.
To get a service manual and try by yourself see link

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Sound like problem in convergance circuit - Replaced them with STK-392-570 and replaced the bad pico fuses

AAPCO Electronics
Austin, Texas

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it is due to pin cushion correction circuit. not major problem. call skilled tech to fix it your home.

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