Question about InFocus Work Big LP650 (Refurbished) Multimedia Projector

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My infocus lp650 won't power up no lights nothing

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One way of telling if its the power supply is apply power to the projector and look at fans on the side. If they don't move then its a power supply issue. I can fix this for you for less then it cost to send to infocus or to a repair shop. Ebay Id is Gtitubro

Posted on Aug 11, 2009

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There's an interlock switch on the lamp door. if that's ok, you need to replace the power supply.

Posted on Jun 05, 2009

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1 Answer

My infocus will not come on. the red light blinks. change the bulb but didn't do any good


check the colorwheel. if the colorwheel doesn't spin, the lamp won't light. if no fans come on either, replace the power supply.

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1 Answer

InFocus LP650 will not come on


First try a firmware upgrade. If that doesn't help, it seems it might be a power supply issue since you said the led comes on very light. I repair these power supplies. My ebay id is gtitubro

May 29, 2009 | InFocus LP650 Projector Lamp

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Bought a replacement lamp for Infocus SP7205. Lamp works fine. But the fan intermittently will come on at high speed for 5 seconds, then turn off, then do it again a minute or two later. Slightly...


I seen this problem with lamps that are not from infocus. I would recommend to replace it with the old lamp fan. if you still have it. I'm not sure why it does this.

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Infocus calls it an M1 connection.

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I want to test my infocus lamp to know if it is burnt


Your lamp might be ok, but you power supply is dead. If your not seeing any led lights come on when the power cord is plugged in then your power supply is dead. I can fix this for you for less then it cost to send to infocus or to a repair shop. Ebay Id is Gtitubro

AIM - Gtitubro


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1 Answer

Quick Start and User's Guide


My infocus projector will not show a you tube video full screen. It is full screen on my desktop...

Nov 29, 2008 | InFocus LP 600 Multimedia Projector

2 Answers

InFocus LP650 will not come on


That color is not listed because it is either Green or Red. There is no Blue, if you are getting Blue, you have something that is extremely unusual.

Feb 16, 2008 | InFocus LP650 Projector Lamp

2 Answers

Projector will not power on


body { background: #FFFFFF; margin: 0px; padding: 4px; font-family: arial, verdana, sans-serif; font-size: 10pt; } p { margin:0px; padding:0px; } .spwrap { background: transparent url(../wysiwyg_rte/misspell.gif) repeat-x scroll center bottom; } If you can, confirm the output of the power source! if you have +/- 0V on all outputs then you may have a defective schottky, verify if all 4 diodes on the secondary are ok ( you can spot a bad one by the short circuit on the 2 terminals).
The power supply of the lp640 has a protection derived by the functions of TOP 2XX witch in overload stops. therefore disabling the shorted output.
Verify the state of the fuses also.

Good luck out there ,

Nov 08, 2007 | InFocus LP640 Multimedia Projector

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