While watching my television the screen will have very light diangonal lines flicker accross screen and the sound will go off. This will get progressively woorse over five to ten minutes. The sound will go off completely. If I turn the power off and then back on the sound will return and the problem will repeat. When the sound goes out if I push the mute button to get close caption it will be intermitant just like the sound.
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This is rather technical, but if you look at this PDF:
http://www.tacpservice.toshiba.com/TACP/subpages/pdfs/TechBulletinsTV2003.pdf
And scroll down to the 3rd page from the bottom. It will have
No: TV200314
in its heading. That entry describes a known cause of sound loss on this model, and how to fix it. If you're not comfortable soldering on a circuit board, you may want to get someone else to take care of this for you. If you have any questions about it, let me know.
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This set has a few service bulletins out on different problems with this model. The biggest one is the bad solder connections on the negative lead on C809 and C810. If your able, you may want to re solder these as these will cause intermittent problems until these bad connections kill the Tv set. Good Luck
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Do you have speakers next to your tv sometimes the line on your tv will be from your sound to close to your tv also the red line could mean your tv tube is going out there about 300 to replace but i ould check frist on your sound are something close to you tv that is maken the red line in the middle of your tv
if it is a thin black line then it is probably a line of pixels out. if this is the case, the whole screen will have to be replaced and that can get pricey. i would suggest that you get it checked out by a tv tech and get an estimate, but it'll probably be cheaper to just get a new one
We have aKDF-E42A10 for a bout 2 yearsnow and we now have 13 horizonal lines across the screen, they look like small square dotted lines across the entire screen from top to bottom. It be gan acouple of months ago as 2 of these lines that seemed to move up the screen. I called technical support and he made it sound like he never heard of the problem. I am very upset with sony right now. Anybody know how to fix the problem?ricedog
Can you bring up the menu and see the menu over the red lines? Does the menu have red lines over it? I suspect the light engine is bad. Might want someone with experience to tackle that problem.
My first guess is it kind of sounds like a convergence board problem i know they had some service bulletins on them. hope that helps oh and convergence boards arent exactly cheap and will probably require some soldering
It sounds like you may have a loose solder connection either in the convergence circuit or the pincushion correction circuit. If you can't visually locate it, you may need a service manual and test equipment to track it down. I doubt that changing parts will be the cure if it is an intermittent problem.
Sounds like you have an intermitant overdrive situation on the red CRT. This could be caused by a bad component on the Red CRT board, an intermittantly shorting CRT or the circuitry in the main board. You should not run it until the problem is resolved as you could damage the CRT if it is not already bad. This is something that unless you are a qualified tech you are not going to have any success resolving. It should not be very hard for a good tech to diagnose the problem. Costs will depend on the part which is bad. If it is the red CRT it probably is not worth fixing, but it could be a 50 cent capacitor. Certainly worth the cost of a service call. Good luck.
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