I have a 3 yrs old panasonic projection screen HDTV Model PT-47WX53 Chassis AP825 that has perfect audio, but the picture shows only about a 2-3" blue,green,or red light line vertically in the center of the entire screen (depending on the color of what image is on the channel at that time). I replaced one of the STK ICs (IC7001) but that didn't seem to help much. In a similiar solution it was said to be one capacitor in the HV area but no more details were given, and The Service manual I have isn't really helpful. Anything to help me figure this out is very appreciated.
It was the vertical IC. Replaced and all is ok now. Thanks
If your seeing vertical line across the screen you need to check the components in the vertical stage as well as the vertical IC could be bad, or the yoke could open.
Also check if any voltage reaching the vertical stage.
Good luck.
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audio output is fine. Video ouptut is a narrow small blur of color in the bottom center of the screen.
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