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Tv screen blank/black and audio only until a few hours the screen appears

Hi
i have a dual drf 2810 colour television reciever.

My tv is not working properly, the tv is switched on. then a blank (black) screen appears with audio until a few hours later the picture appears slowly from a blurry image to a sharpened one.

which part needs repalcing and is it a diy task?

i have already had a memory frame replaced last year.
thanks

Posted by on

  • Suhail Sheikh
    Suhail Sheikh Dec 10, 2008

    does this mean unplug the tv from socket for 30 mins replug? do i understand correctly?

  • Suhail Sheikh
    Suhail Sheikh Dec 10, 2008

    which part would i order if any as a easy diy task?

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5 Answers

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Its just the error of loose soldering joints on the main board of the unit.and it needs dry soldering on whole board that will make the loose components firm and then it will work as normal.if u have the cold soldering machine with tyour self u can do it yourself.and if dont have take it to the repair center to do it.

Posted on Dec 10, 2008

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Usually when a tv goes black it means that it is toast. Unless it is new and under warranty it is not worth trying to fix at todays prices.

Posted on Dec 10, 2008

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Please check when TV is in black screen state, filament / heater glows in CRT gun. If not, check lose connection of heater volt supply at board connected with CRT pins.

Posted on Dec 10, 2008

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Ensure that it is not the receiver, or the cable.

If tv has only audio, then it is probably a cold joint on the flyback transformer, or a fault on the intermnal boards circuits.

Posted on Dec 10, 2008

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Try hard reset .

Unplug your tv from power chord for 30 minutes and plug back the power chord to the tv .
This will reset your tv .

If your problem continues then you need to replace the convergence ICs

Posted on Dec 10, 2008

  • SAM ANDERSON Dec 10, 2008

    It cant be done by beginners . You need to take to near by service center to get it repaired it will cost you around $200.

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