Question about InFocus ScreenPlay 4805 Multimedia Projector

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LED flashing green

Power on, fan comes on, LED flashes green, no picture.

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1 Answer

Probably the lamp.

Posted on Dec 30, 2007

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6ya6ya
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Posted on Jan 02, 2017

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1 Answer

LG flatron l1915s monitor, green led flashing only when coming out of standby resulting in no picture


Check the electrolytic capacitors inside in the power supply board portion. replace all busted ones.

Jan 10, 2014 | LG L1915S 19" LCD Monitor

1 Answer

Sony kdf e50a10 no picture 4 red led flashes


Made around 2005---It should have a rather large fan at the lamp---there is a thermal sensor there that looks somewhat like a temp sending unit in a auto----there is also in the wire harness a thermal fuse but that is good based on your blink code.

I would not alter the design of the fans but make sure they are not that dirty--they will slow down if dirty.

My focus would be on either the sensor for temp for the lamp being bad or the fan there being bad---both are possible.

May 28, 2012 | Sony Televison & Video

1 Answer

Sony kdf-37h1000. push power button and the green lite comes on steady and i can hear a fan. never gets to a picture or sound. it then sounds like it shuts power off but lite goes from flashing green to...


Hi catfishbob,
You're lamp came to its peak burning life and now its dead that's why you can't power up the unit and the led light keeps flashing. Once the lamp replace with new one your unit will back to normal again. Click this link for the replacement http://shop.ebay.com/i.html?_nkw=KDF-37H1000&_sacat=0&_odkw=sylvania+ld370sc8s&_osacat=0&_trksid=p3286.c0.m270.l1313.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Mar 05, 2011 | Sony KDF-37H1000 37" HDTV

1 Answer

My infocus PL70+ powers up but there's no picture. after I plug in, the amber light come on so I hit the power button, green LED light flashes, fan kicks in, green LED remains steady after flashing for a...


if you hear chirping or a loud buzzing, you have a bad colorwheel. the lamp won't turn on if the colorwheel doesn't spin as fast as it needs to. if you don't hear anything like that, you need a new power supply. the lamp striking takes a lot of power, and if the power supply can't handle it, it shuts off. you can get the part from an infocus service center and replace it yourself, or send it to them for repair. either way, try av solutions in ny. they're really good. www.avsolutionsny.com

Jan 12, 2010 | InFocus LP70+ Multimedia Projector

1 Answer

When turned on green light flashes and no picture


Check the Lamp if no picture, audio may be present. Screen is completely dark. Lamp LED flashes 2X every 5 seconds, Power LED flashes GREEN for 140 seconds then flashes RED.
Check the ballast if no picture, audio may be present. Screen is completely dark. Lamp LED flashes 3X every 5 seconds, Power LED flashes GREEN for 140 seconds then flashes RED.

Dec 24, 2009 | Panasonic PT-50LC13 50" Rear Projection...

1 Answer

No picture or sound


Does anything start to work? Any of the three fans start to turn, Lamp ignite, etc., when you press the power button or does nothing happen before the Red LED starts blinking. How many times does the RED LED blink?

Jul 25, 2009 | Sony KDS-R60XBR1 60" Projection HDTV

2 Answers

No sound or picture, 2004 pt50dl54j


remove back panel. blow out all the dust from all the components except the fan on the right.
Vacuum out all the dust.
Have you replaced the lamp? that would help too.
There are 2 small red lamp. One indicates HEAT problem. The other one is the LAMP indicator.

Jun 13, 2009 | Panasonic PT-50DL54 50" Rear Projection...

2 Answers

No picture


you have the ATC311 chassis. do this proceedure and you can track down where the problem is. let me know if you need more assistance. i can also post a link where you can get the training manual at a cheap cost emailed to you if you would like a copy.
5. Apply AC power and press power button.
6. If LED turns on and then off, disconnect J11501 (Audio CBA) and press power
button again. If power LED comes on and stays on suspect Audio CBA. If LED
still flashes or does not light go to step 7.
7. Disconnect J26903 (AV IN CBA) and press power button again. If power LED
comes on and stays on suspect AV IN CBA. If LED still flashes or does not
light go to next step.
8. Disconnect J19500 (Convergence CBA) and press power button again. If
power LED comes on and stays on troubleshoot the Convergence CBA. If
LED still flashes or does not light go to next step.

9. Disconnect J14801 (Deflection CBA) and press power button again. If power
LED comes on and stays on suspect Deflection CBA. If LED still flashes or
does not light suspect DM2 module.

Jun 08, 2008 | RCA HD61LPW42 61" Rear Projection HDTV

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