nec tv prob

i have a nec 6807s.

when first turned on it has colour wave lines, thay turn into ladders accross the screen and then vanish but if you blow cold air into the back the line return.

can anyone help thanks

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crazy frog
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With a tin of freezer spray and a hairdryer trace the fault to component level and replace. Concentrate on electrolytic capacitors probably around the power supply area on near other components that run warm. Cheers John.

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allready done that and no win. is it pos it maybe a ringing coil or tranny.

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