Question about Hitachi PJTX100 Multimedia Projector

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PJ-TX300 switches lamp off after lamp replacement

I just replaced a PJ-TX300 lamp.When switched on after 30 seconds the Power and Lampred light come on does not gives me time to go to the menu.Any help to resolve this will be appreciated.
jclito1@googlemail.com

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  • 5,568 Answers

This shutdown may be caused by a heat sensor.
Check to see if the cooling fan is turning at all; without cooling the projector should shut down to avoid setting off a fire or other damage.
If the fan is not operating, you may be able to access it to clean with a small brush.
These fans are also prone to failure since they nearly all have sleeve bearings and develop severe wobble or the shaft may just stick.

Posted on Apr 28, 2008

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Turnedout all I had to do was push down slightly on the tempreturesensor/fuse (is opens the power circut if the projector gets too hot,and thus doesnt allow any current)
Here is the full repair/service schematic for the projector. It should help you locate the sensor.
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http://yama.co.za/forum/index.php?topic=146.0

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