Question about InFocus LP70+ Multimedia Projector

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Part of the screen is darkened

Right side of projected image is darkened.

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This is due to the light tunnel being out of adjustment or collasped. Either way, it must be determined which it is. The tunnel can only be adjusted while the top is off of the projector. I've done it numerous times, but it is dangerous because the proximity of the screw to the power supply. You should let a professional fix this.

Posted on May 05, 2010

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1 Answer

Screen, Image, Lines,


Check and replace its LVDS cable [the cable that connects its T'Con board to panel]. Re-seat it once and check, before replace it. Any loose contact with either side of this cable; or the cable itself is damaged, can cause this fault.If you wish to get some details, check the site linked here. Pull up older posts.

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Screen is darkening and halo's appear around images and people. Any suggestions?


Try cleaning your 3 CRT's and mirror for dust, worse thing is if coolant causes this, need to change. Expert needed to do the job. Hope this helps

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Blurry picture on left side double image right side is ok....


Ur convergence is dead,need convergence kit.
U know how to solder right?Tries these websites for convergence kit.Tv Repair World.com,Shopjimmy.com,Ebay.com or Partstore.com

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Samsung HCN4727W Rear Projection TV, green screen, audio works


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai2_bing.gif,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Sony 46"wide screen projection tv made 2005,getting green shadows around images--alot of GREEN--have to darken picture to get better picture--stand-by lite blinks 5 times every 5 seconds????please...


This should be a relatively straightforward repair, but without the model number, I can't provide the details. Can you please update this with the model number?

Thanks,
Dan

Sep 24, 2008 | Televison & Video

1 Answer

Screen darkening from right side


1 lool
change lcd panel ok

Jan 19, 2008 | Lenovo ThinkPad R51

1 Answer

Faint screen image


when you first power on using lower right (power) button, wait 6 seconds for the intro screen to finish. The upper left (up) button increases screen contrast. Hold this one down for a few seconds and the screen should darken. The middle left (down) button decreases contrast.

If this doesn't work, try turning off by holding the power button.
Hold down upper left AND upper right while turning unit on. This initiates diagnostic mode and contrast is darker by default. Bottom of screen is a button test area which darkens a symbol for each successful button press. Use it to diagnose a button problem. Turn off power and on again to leave diagnostic mode.

I wish you success playing with the Etrex.

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1 Answer

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either the fly-eye lens or the light polarizer is fried due to excessive dust and heat. bad news: you'll have to replace the entire optical engine. worse news: infocus doesn't make them anymore. sorry.

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1 Answer

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You have a bad Light Tunnel in the Light engine, you can replace the engine, or try to replace the tunnel.

Jul 31, 2007 | Samsung DLP HL-P5663W 56" TV

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