Question about Projection Televisions

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Panasonic TV Model PT-51G30. Power go off intermittently. Will not go on with power button. Can be restarted by unplugging power cord and re-plugging, then pushing on/off power button on TV ( not on remote control ). When re-started, power may last for hours or minutes. Then suddenly goes off.

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  • Rpxo Nov 19, 2008

    Panasonic TV Model PT-51G30. Power go off intermittently. Will not go on with power button. Can be restarted by unplugging power cord and re-plugging, then pushing on/off power button on TV ( not on remote control ). When re-started, power may last for hours or minutes. Then suddenly goes off.

  • Rpxo Nov 19, 2008

    Panasonic TV Model PT-51G30. Power go off intermittently. Will not go on with power button. Can be restarted by unplugging power cord and re-plugging, then pushing on/off power button on TV ( not on remote control ). When re-started, power may last for hours or minutes. Then suddenly goes off.

  • Rpxo Nov 19, 2008

    Panasonic TV Model PT-51G30. Power go off intermittently. Will not go on with power button. Can be restarted by unplugging power cord and re-plugging, then pushing on/off power button on TV ( not on remote control ). When re-started, power may last for hours or minutes. Then suddenly goes off. ( no problem with remote -- it works fine when TV on )

  • Rpxo Nov 19, 2008

    Several solutions were helpful. I will have to call a serviceman, but at least I know what will probably be wrong. Thank you.

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This might either be due to power supply unit problem or loose contact some where.
Open the power supply unit to make sure none of the connections are loose. Also check for any burnt capacitors or any other components.
Does it work normally w/ remote ?


Posted on Nov 19, 2008

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The main power supply board is getting short somewhere in the circuit tracks get the main board of your tv checked to locate the exact fault.

Posted on Nov 19, 2008

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Sounds like a power relay switch is ready for going, have a look for a semiconductor which has slightly blackened

hope this helps

regards

Posted on Nov 19, 2008

  • Lee Hodgson
    Lee Hodgson Nov 19, 2008

    If you cannot find the fault and you want to have it repaired and live in the US here is the repair website:
    http://tv-repair-service.com/panasonic_t...

    regards


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It the internal board problem in your tv set any of the capacitors have got loosed so when you ON the tv it works and when that loose electric component gets heated up the tv gets OFF.

Posted on Nov 19, 2008

  • smarttech Nov 19, 2008

    and for the remote not functioning it could be the battery problem replace the battery.or in the tv there is a sensor which gets detected when you use the remote.that sensor in the tv must have gone faulty.so the remote is not able to make the tv ON.

  • smarttech Nov 19, 2008

    if u have the proper technical idea oh how to use multimeters and soldering irons you can open the tv back cover and then remove the main board which is normally attached to the tv base with six to eight screws and check out for the loose or burnt capacitor and get it replaced with a new.
    or you can take it to the repair center to get it repaired if do not have much technical knowledge.as it is very risky to open and service the tv when the the tv is ON  or the power cord is plugged in the electric outlet the results may be very fatal and dangerous.
    as the tv is getting ON and working properly as u said.it will not be too costly to get it repaired.

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Try to reset first if nothing happens we proceed another solution;

Resetting the TV

Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can saved time.
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2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

hope this may help;

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VOTIT

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