I have a 42 in Samsung Plasma. It recently started having the picture shake with horizontal lines. I have to turn it off for a half hour or so for it to stop. The problem seems to be getting worse. Is this worth fixing?
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Dec 30, 2013 - Uploaded by Pet Rock's Garage
This video covers how to fix a Panasonic 42" Plasma TV model TH-42PX600U that has vertical distorted ...
The tv Tuner signal board is dead.That the board,where the incomming broadcasting signal cable plug into it.U have some mechanical skills,like take things aparts and putting it back together?Yes,try website like Ebay.com to buy a refurbish tv Tuner signal board for the replacement.
Horizontal lines are either caused by the main logic board, a dammaged screen or by the main x and y drivers. Hard to determine which one it is, but somthing is getting hot which is causing the problem. My guess is the main logic board.
Intermittent horizontal deflection
Resoldered the pins of horizontal deflection transformer
Picture is horizontally narrowed and deformed
Capacitor C2913 (390nF, 250V) on the deflector PCB had lost capacity
Geometric distortion, Pillow, and picture enlarged horizontaly
The problem was a short from GND to pin 11 inside IC301 (TDA8350Q).
This pin is the output of amplifier for geometric correction signal.
Many of the issues with this hunk of junk can be fixed by Sears through a "3 cards and a chip" upgrade - Sears will order the parts for you after they come out and see that sure enough, your monitor hasn't been upgraded (after the upgrade is completed, a sticker is placed on the monitor) which you most likely haven't had done. The chip will fix the problems you're having. I claimed this as "manufacturers issue" with Sears, since they know about the problems with these monitors and they did the work for free. The parts need to be ordered by their tech rep, then they are sent to your house, with instructions and if you're a little handy you can install everything yourself.