Question about Panasonic PT-40LC12 40" Rear Projection HDTV

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Panasonic PT40LC12 turns on and then shuts off after 15 seconds

Panasonic PT40LC12 turns on and the lamp works fine, after 15 seconds it shuts off and the lamp light blinks 4 times. I can hear the lamp fan still running even after an hour or so. Could this be a Temp Sensor?

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  • Panasonic Master
  • 5,138 Answers

Ballast Board it what turns Lamp on Call Encompass Parts Distr. or Look on their website.

Posted on Nov 21, 2009

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Posted on Jan 02, 2017

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1 Answer

Projector posted error, "replace bulb" Projector


Your projector need replacement of lamp unit if you don't want yet you just reset the lamp counter

procedure:
Power on projector
press MENU key
Press right arrow key to select Option
Press down arrow key to select lamp Hours
Press and hold down the ENTER key 5 second (lamp hour counter show red)
press POWER button to turns off the projector
now you power on your projector and no error displaed and no itself turn off after 15 minutes

Apr 13, 2011 | Panasonic PT-L785U Multimedia Projector

1 Answer

Replaced lamp and reset timer, I think as the


It depends on how much the new ballast will cots, new or used that is another question. Do you see any burnt parts, bad capacitors in the ballast board?

Dec 13, 2009 | Panasonic PT-40LC12 40 in. LCD Television

1 Answer

How do I reset Lamp in PT40LC12 with out a remote


After turning on the TV and viewing the message to "reset the lamp" I became frustrated and attempted to shut the TV off by pushing the power button. A message popped up saying "Do you want turn the TV off Yes / no.
I toggled down using the volume/Channel button on the tv to say no. The next thing i know...The TV picture came on and the la,p was reset!!! I really don not know how this happened! but it worked! Thanks for your assistance. Now, i can program a remote!

Oct 23, 2009 | Panasonic PT-40LC12 40" Rear Projection...

1 Answer

TEMP or BULB light aren't on and Bulb isn't burnt out So whats causing the TV not to turn on


Probably the ballast if lamp is ok.If there is not even a standby light the the power supply.

Apr 25, 2009 | Panasonic PT-40LC12 40" Rear Projection...

3 Answers

Tv turns off


Its the lamp that needs replacing. It will run for a couple of seconds and then it would dim or turn off.

May 27, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

Panasonic pt-61lcx65


I have the same TV and just replaced the same lampTY-LA1000.
You have to reset the clock that times the lamp.Hold down the volume button(first you turn on the TV) while holding down the PiP button or the swap Button on the remote. that fixed mine.

Jan 11, 2008 | Panasonic PT-61LCX65 61" Rear Projection...

2 Answers

Resetting lamp panasonic PT40LC12


Press the power button to turn the unit on.
While pressing the Vol-(volume down) button on the projection display,
hold down the PIP button on the remote control at the same time for more
than 5 seconds. When the reset procedure is complete the following message
will appear on the screen. "Lamp time was reset to 0".

Jan 06, 2008 | Panasonic PT-40LC12 40" Rear Projection...

2 Answers

Lamp timer


Turn the TV "ON"  and at the same time press and hold for 5 seconds "VOLUME DOWN" button on the TV and "PP" button on the REMOTE CONTROL.

Oct 08, 2007 | Panasonic PT-40LC12 40" Rear Projection...

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