nec tv prob

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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

Re: nec tv prob

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.

Re: nec tv prob

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

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