Question about Panasonic PT-51HX41 51" Rear Projection Television
My screen appears to be zooming in while watching it. it cuts off the top and bottom of the screen. then it will go back to normal it is an older tv but would like to get it fixed if for nothing else for kids to play video games on. Thanks for any help with cause or how to fix this i do have experience with some electronics if it needs a board or something replaced i could do it myself if i can get the circuit board.
The problem you're describing is what we refer to in the industry as blooming.
It's usually caused by a capacitor problem and not something you can test without a cap analyser. It's probably in the voltage regulation circuit or SMPS (switch mode power supply). In those circuits you'll have a number of caps and will need to test their equivilent series resistence (ESR). Replace those with a high or open value and it should solve the problem...
It's also not that expensive for a qualified shop. I'd strongly suggest that over spending several hundred for a could cap analyser.
Posted on Nov 13, 2007
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Posted on Jan 02, 2017
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