Question about InFocus LP640 Multimedia Projector

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Fan stopped infocus LP640 - InFocus LP640 Multimedia Projector

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: infocus lp640 lcd projector

The problem is not only with my notebook even my desktop computer doesnt show the image.I have tried all the ways before asking for the solution.

Posted on Jul 11, 2008

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projdoc
  • 2237 Answers

SOURCE: How to disassemble an InFocus LP640

remove the top case, carefully unplug the ribbon cable from the main board, remove the 5 screws holding the board on, remove the 2 screws from the back (where the audio plugs are), and remove the 6 spacers from the vga/computer connectors. unplug all the plugs (be very careful unplugging the 3 ribbon cables in the middle. unlock the socket first by lifting up on the tab, then pull out the ribbon cables). remove the emi shield from the edge (metal clip with 5 fingers). remove the board!

Posted on Nov 05, 2009

projdoc
  • 2237 Answers

SOURCE: I need the power supply for infocus lp640

if you're in the states, try av solutions in ny. www.avsolutionsny.com

Posted on Dec 28, 2009

  • 167 Answers

SOURCE: lp640 infocus   1 red

Hello,
This means that the lamp didn't strike after five (5)
attempts. Unfortunately this can be caused by several different problems. Here are a few in order of most likely on down.
1) The lamp has failed
2) The molex connector that the lamp plugs into is loose and is not mating correctly with the connector on the lamp.
3) The lamp door (cover) is not fastened snug to the projector ie. the black screw that holds it is loose which can cause the safety interlock switch to close/open.
4) The ballast (lamp power supply) has failed and needs to be replaced.
Each of these problems can and will cause the the LED to blink once.

Good Luck.

Posted on Dec 29, 2009

  • 167 Answers

SOURCE: infocus lp640 is broken. no lights. nothing.

Hello, If there is absolutely no sign of life at all just like it would look if it were unplugged...
The problem is a diode on the switching power supply at the rear of the projector. It's easy to fix if you know where it is. PS There is a 99.999% probability that the Diode is the problem and not a fuse..

Cheers

Posted on Jan 19, 2010

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1 Answer

I have an Infocus LP640 projector, which hasnt been used in a couple years. When I plugged it in the speaker were making a clicking noise. After a couple minutes the clicking went away. Also, the...


sounds like the clicking may be the high voltage trying to ignite the lamp. when it does come on the picture is very bad. Did the lamp seem to shine very brightly through the fan vent when it did come on that time when the picture was dim.
How many hours has the lamp been used for.
Check the air filter for dust etc.
See if you can borrow a spare lamp, and test it in the machine

Jun 09, 2011 | InFocus LP640 Multimedia Projector

1 Answer

My InFocus LP640 Projector Multimedia Projector's light comes on but not splash screen appears. Just sits there


try reflashing the projector with current firmware, if that doesn't work, you nvram chip or main board is bad.

Aug 29, 2010 | InFocus LP640 Projector Multimedia...

2 Answers

Infocus lp640 is broken. no lights. nothing.


Hello, If there is absolutely no sign of life at all just like it would look if it were unplugged...
The problem is a diode on the switching power supply at the rear of the projector. It's easy to fix if you know where it is. PS There is a 99.999% probability that the Diode is the problem and not a fuse..

Cheers

Nov 04, 2008 | InFocus LP640 Multimedia Projector

1 Answer

Error "Fan Stopped"


yes. it needs the third wire to sense the fan speed. without it, the projector assumes that the fan is not running.

Aug 21, 2007 | InFocus LP640 Multimedia Projector

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