In the last few days, my Samsung TXK3276/TXL3276/TXK3676/TXK3676 (I am not sure which one it is but the visible diagonal is 36") has started to have a bit of "jumpiness" at the bottom of the picture. The area is about 3" high and extends across the picture tube, It appears that the scan lines increase in thickness and you can see the black between them more clearly. The phenomenon appears whether we are watching a cable program or a DVD. This makes me think it is a problem with the TV rather than any of the deviced connected in the system. Also, the problem will vary in intensity and sometimes even cease completely.
The owner's manual is, of course, silent on the issue.
Can anyone suggest a cause and solution? Thank you.
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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
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Hi, This is CRT 32 inch tv and most probably horizontal/ vertical deflection section got problem that is why tv wont show picture. Problem could be dry/ cold solder joints/ connections or vertical output chip failure, visual check by professional is required to get it repaired. It is not bulb problem in this tv because it wont has any bulb. Let me know if you have additional question. Thanks.
most of the ones i found you have to pay for check these out.
On the CRT PCB, there is a ceramic capacitor attached to the screen voltage circuit. Disconnect it and the voltage may come up. If it does, replace it. check your 200 volt line and see where it is, also.
If this doesn't help, let me know.