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No power When the tv (bush lcd27tv006hd) was working fine and all of a sudden went of. Now there is no power . Not even a red light at the bottom

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  • david617 Feb 18, 2009

    Also when i remove the plug from the sockett i get a small shock.

  • david617 Feb 18, 2009

    How much will it cost to fix the tv and where can i take it to ?

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Check the power cable and test a different power outlet.

If you are in UK also check the fuse inside the TV power plug.

If you do not find anything wrong , then either the fuse on power board, or one of the power board capacitors had blown, and the TV must be disassembled and tested to fix the problem.

Posted on Feb 18, 2009

  • Ginko
    Ginko Feb 18, 2009

    Re: "when i remove the plug from the sockett i get a small shock"

    That means that there is a short either on the power cable or plug or on the main AC socket.

    That is dangerous, have the power cord replaced and soldered properly onto TV power board.


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1 Answer

Bush lcd27tv006hd no power ,no stndby lights


Open the back cover of the monitor.. check the fuse at the power supply board... If the fuse is open, replace with same value.. at the power supply board check for any blown capacitor and replace it with same value. Check also the power cord for open connection.

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That would mean the TV is in some sort of error condition. Unplug the power from the wall for 30 minutes, plug it back in and see if it operates nominally.

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The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

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take your tv to technician who can check your power supply, if your power is coming on and off, than a problem is not as big. firstly let him check a ht of a supply constantly, your supply is cutting.

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tube is ok .first thing you can is to re soldered you tv,next check the horizontal output transistor maybe it's busted. Horizontal output transistor located near the plyback. it is a rectangular parts with 3 pin.

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The TV is in protection mode. An internal problem was detected and the set shutdown to prevent further damage. If the set is only 9 months old, it should still be under warranty. Call and request warranty service.

Dan

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Dear Sir, unfortunately tonight you will not be able to watch this TV set. Please try with an alternative solution. This job definitely requires a professional technician Best regards, Arpi

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