Question about LG RD-JT40 Multimedia Projector

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Resetting lamp on a lg rd jt40 projector

I have replaced the lamp on a LG RD JT40 projector but it still tels me that the lamp has exceded the 1500hr limet. I have checked the nenu and it seems that there is a option that is greyed out that might be the one I need to reset the lamp.

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Remove bulb. replace bulb. within ten minutes press exit on projector and hold for three secs. then immediately press menu then press left or right arrow button. you are done. turn off then turn on

Posted on May 12, 2009

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2 Answers

How do I reset the lamp counter


You CAN reset the lamp hours. It is surprisingly easy.

Hold UP on the projector until the lamp hours appear. Then press left or right to reset.

This took me a while to find! But it's in the service manual.

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1 Answer

Lamp reset LG RD-JT40


Try to do this, press the ENTER button on the TV and the MUTE button on the remote at the same time. After 5 seconds the screen should come up and it will read "Lamp use time...Total lamp use time ....lamp reset" Press the center button on your remote (the circle button right in the middle of the four directional buttons) and you will be reset to -0- again. Your orange light should now be off.
Good Luck.

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How do i reset my lamp timer on LG RD-JT30 Multimedia Projector, i have hust installed a new lamp but i do not have the remote control Derek


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Dec 09, 2009 | LG RD-JT30 Multimedia Projector

1 Answer

Pickture is shown 2 sekunds, then it go black. power on LG RD-JT30 and see a pickture thru RGB-signal and after 2 sek the pickture go black


if the lamp is still on and no picture transmits, reset the settings to factory default. the resolution doesn't match or the signal is lost. if the lamp goes out, you may need to replace the lamp. check the lamp for bulges, black spots or fogging. if the lamp is ok, check the colorwheel. if you hear squealing or chirping and it stops when the lamp goes out, replace the colorwheel. if that is ok, replace the ballast.

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1 Answer

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Hi there

There is basically two ways to reset the lamp timer :
1. ) On the Projector's physical buttons
Arrow Keys - Up , Down , Left , Right then Menu and Enter - this should be done quickly whilst the Projector is in standby mode.

2.) Switch Projector on - Hold in the Up Arrow Key on the physical buttons on the Projector untill a PIP screen appears - then just follow the on screen steps.

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Hi Mike

Press the following buttons quickly - Up , Down , Left , Right , Menu & then Enter - this should reset the timer.

Sep 16, 2008 | LG RD-JT91 Multimedia Projector

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Hello, does any1 know how to reset the lamp timer on a LG RD-JT31? I want to get rid of the Replace The Lamp sign.

Regards Linus

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2 Answers

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check the lamp,
does it look clean inside
is it fully home on the connecting pins
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Feb 26, 2008 | LG RD-JT40 Multimedia Projector

1 Answer

LAMP goes off after few minutes


1-check the counter reading of lamp to see if it is in the right age of lamp or not.if it is in right age the problem still in power unit or in ballast.

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2 Answers

Help me Please


I have just reset my lamp! Disconnect all cables but the power, switch on it will search for a source, the lamp timer message will display press exit untill it will give you a message to press menu to reset the lamp timer, it will give you a option to press left or right to reset. I used the buttons on the projector not the remote.

Jan 31, 2008 | LG RD-JT40 Multimedia Projector

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