Picture is hourglassed shaped

TV turns on fine, but the picture is black along both the right and left sides. Sometimes hour glassed shaped and sometimes aprox. 3 to 4 inches wide. Is there an adjustment that can be made? Need help please...

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168 Answers

Your unit has a problem in horizontal circuit particularly deflection and pincunshion circuit. pls have it check by a qualified service technician.

Posted on Jan 15, 2007

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Just recently my GE 46GW 945 46 in. Rear Projection Television when turned on goes from a good picture to a sideways hour glass shape and an almost 3d like picture with the RED BLUE and GREEN..When I turn...

sounds like convergence circuit has died. time to call a tech..

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Jul 27, 2010 • GE 46GW945 46" Rear Projection Television

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THE PICTURE HOUR GLASSES IN SHAPE

Your symptom sounds like a damaged component in the pincushion circuit.

If your colors line up in the middle of the set and at the top but the picture is concave then you may have a faulty component in the pincushion circuit. When this circuit fails the picture will have an hourglass shape to it with black in the middle on the sides, or you will see square objects as hourglass shapes.

I would recommend that you have a local service center diagnose the set for you and give you an estimate of the repair.
I have seen this type of repair run from $250.00 - $350.00.

I hope this information allows you to resolve this issue.
If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up)
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If you need further assistance please comment to this post and I will try to help you further.

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Jul 09, 2009 • Mitsubishi WT-42311 42" Rear Projection...

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Vertical hold

If the picture is in an hourglass shape this has nothing to do with vertical hold. Besides, on all these sets, the hold and parameters are all uPC controled through a firmware routine that is burned in to an EPROM.

It is obvious that there is a failed component somewhere because of the hour glass shape. The area of failure is most likely in the pin amp section. If the hourglass is from the sides, it would be horizontal pin. If it is top and bottom, the fault is in the vertical pin section.

A common cause is from a capacitor that has failed in the mentioned area. Sometimes it can be an IC or other type of component in the pin amp area, but not as often as failed capacitors.

You can take the set in to service the fault. I don't think you can fix this yourself unless you are trained in TV service and have the experience and setup to troubleshoot for the bad parts, and do this type of service.

Jerry G.

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A common fault are some of the electrolytic capacitors failing in the pin cushoning amp section, and probably in part of the scan amplifiers.

To service this will require the proper training and set-up to troubleshoot the set.

Take the set to a service center for an estimate. The cost can be at least an hour or two for the labour, and then the cost of the parts on top.

Jerry G.

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The link you posted has been deleted, so I cannot see the picture you posted. If the sides bow in like an hourglass and the red, green and blue colors are still aligned then there is a horizontal width or pincussion problem, but if the sides bow in and the 3 colors have separated and are no longer anywhere near aligned then you have a convergence problem, both of which should be serviced by someone with experience in servicing projection TV's.

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I need to see a picture of the TV set. send a photo to [email protected]

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check the cap that couple the horizontal transistor, this could be bad replace the flyback.all caps and transistors in that circuit should be cheked.good luck.

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