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Panasonic TV model CT-Z2151LU chassis AEDP267

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marco antonio

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panasonic ct-z2151lu

Just when watching tv with antenna or with cable all the image is vibrating and the letter appears duplicate or as shadow behind them. Any suggest will be appeciatted.
rgds
Marco antonio
 

marco antonio

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panasonic chasis aedp267

The power supply uses the STK73907 and when the set is connected to 110v it works normal however with 220v the picture vibrates all the time. Is there any known component that normally causes this failure.
rgds
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