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Toshiba Tv Problem

When set is cold (just turned on ) picture tears for a while.. sometime just seconds sometimes for minute or so.. but rarely does when set warm or ambient temp is also warm.. am i looking at major repair cost?

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What is meant by "tears"?
If you can find a reputable tech he should be able to reflow solder a couple areas on the set and make your troubles go away.

Posted on Feb 28, 2008

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Likely signs of a issue that is going to only get worse---could be in power supply of set (first place to look) or could be main board or something that it controls.

Kind of like "My car runs rough when cold" it is a issue that is not full blown yet.

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Sometimes you just have to shoot the old girl.

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Oct 11, 2008 | JVC AV-27530 27" TV

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You have a vert ic problem very common tv problem.

POSSIABLE SOLUTIONS

1 COLD SOLDER JOINTS ON IC REPAIR COST IS 95.00

2 REPLACEMENT IC 120.00

CALL LOCAL TV SHOP AND ASK FOR PRICES ON A VERTICALE IC REPLACEMT. THANKS DOCTOR VIDEO

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I gather from your post that wavy can mean two possible things as the TV comes on, you see the picture flow like ocean waves? In this case you may have 60Hz hum modulating with the picture, this is actually unlikely these days, but I have heard it happens sometimes. The other thing it could be is light horizontal tearing. This happens when the horizontal frequency is too high or too low. You are not going to like my solution because I feel that for problems like this the set must be analyzed not just subjected to "shotgun troubleshooting", so here I go, Take the TV to a repair shop.

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1 Answer

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Its two maybe three issues that your having trouble with. First thing is the convergence. That problem could be a cold solder connection on the convergence IC's or the Ic's have a thermal problem, as after they heat up they go bad. The second is the popping. This could be an issue with the rear channel Audio output Ic intermittanly shorting and shutting down the set, or it could be a bad ground around the picture tubes, or a leaky hi voltage block, or a second anode lead going to the picture tubes could be split. The other common problem with this set is the STR#### regulator IC in the power supply. Now unless your a tech you shouldnt attempt any of these repairs as there is very high voltage in this set and could cause great harm to you. seek the help of an authorized repair shop for Toshiba. Try this # if you cant find one in your area 800-457-7777 Good Luck

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