Question about Panasonic PT-47WX49 47" Rear Projection Television

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Strange series of bowed lines in the picture

I am a bit of a novice with this...but basically my problem is that there is a series of bowed lines that have suddenly appeared in my picture...they are green and run horizontally but with a slight bowing effect...just slightly below the green is a ...someone told me that this may be dust on the lenses...does anyone have any idea what could be causing this?

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  • Eric Markiewicz Jul 28, 2007

    I was talking ot you live a minute ago...can you tell me how to exit the service menu...I am trapped in it...and can't get out?!

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Nope, not dust on the lens, but you have two IC's in the convergence correction circuit that have to be replaced. you shouls get the service manual for this set, as well as go to www.servicemanuals.net to find the download but also go to www.mcmelectronics to get the STK convergence IC's. If you have no solid state printed circuit board repair experience, I highly advise you to call in a pro to assist you in this repair. Good Luck

Posted on Jul 28, 2007

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6ya6ya
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Posted on Jan 02, 2017

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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.

I’m happy to help further over the phone at https://www.6ya.com/expert/dewayne_4a10eab6caecdb92

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The convergence ICs probably have a cracked solder joint on the foil side of the circuit board. Re-flowing the the solder would help. I will always replace the convergence ICs when doing this job. The labor remains the same and you will have to pay a few extra bucks for the parts. To fix this yourself, you will need to be able to identify the two convergence ICs, have a basic knowledge of electronics and be able to use a soldering iron. You will also have to do an alignment through the service menu.

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