Question about Optoma EP758 - HDTV Compatible DLP Projector with 2,500 Lumens Multimedia Projector

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When it is powered on, it turns back off after a couple seconds with a lamp fault. If it unplugged for a few seconds, it turns right back on and then runs fine again until it is turned off. The lamp was replaced (because it was at the end of its life expectancy) already, only because it needed it anyway.

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How do you do that?

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Disable your power setting management.

Posted on Oct 10, 2009

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Displaypanel on toshibasatellite turning off after logon.


If your laptop appears to boot up and the hard disk LED flashes, then the problem is probably a back light fault. This can be a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Apr 09, 2013 | Computers & Internet

3 Answers

Samsung HL-R4266W 42 in won't turn on


Hi,

Initially, have you tried a full hard reset? If not, pls unplug from the mains. Most current devices would reset and revert back to factory default settings (assuming no internal hardware fault) when unplugged for a considerable period of time (from a few minutes to a couple of hours).

Additionally, have you tried powering the unit using another outlet?

Pls post back for any development(s) or even the lack of it.

Hope this be of initial help/idea. Good luck and kind regards.

Thank you for using FixYa.

May 01, 2008 | Samsung HL-R4266W 42" HDTV-Ready...

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Power light just flashes no sound or picture


Solution no_1
by Realist 2006
Member since:April 09, 2006Total points:15,673 (Level 6)Best Answer - Chosen by AskerIt is almost certain that the power supply unit is in what is termed Hiccup mode which is simply the power supply shutting down when a fault is sensed , of course when the set is switched off the fault can not be seen so the set switches on again whereupon the fault is sensed again so the set switches off , ad infinitum , hence the flashing power light ! Usual cause is short cct line out transistor or transformer . That my friend is about as far as one can go using guess work

Soltion No._2
The problem is either the power/inverter board or the lamps inside the LCD panel. if one of the mini florescent lamps fail to start up the inverter section of the power/inverter board senses this and shuts the set off and registers the error. If none of the lamps light up, then the board has to be bad (not all of the lamps can go bad a the same time). These lamps are similar to those in shop lights (just smaller) and eventually they will go bad. When a lamp fails to light up then it could be that stage of the inverter or the lamp. A technician is neede to determine which is bad.Knowing this, here is a way to temporarily over-ride the shutdown, you should do this in a room that is as dark as possible to see what the back lights are doing during the couple seconds they attempt to light up. If it never lights up, then you can replace the board yourself . If it lights up and shuts back off then you need a technician to determine if it needs a new panel or the board.
To over-ride: unplug the AC cord, press and hold the [volume down] and the [input] buttons on the TV keyboard while plugging in the AC cord. hold these buttons until the indicator turns green, then release them. when watch what happens. If the green light never shows then do again (you will need to unplug the AC cord for over 30 seconds between each try).

Dec 20, 2012 | Hitachi 50VF820 Projection TV

1 Answer

I have a Samsung DLP, model hlp5063w. When I turn it on, the picture comes on and a few seconds it kicks off. After a few more seconds, it turns back on. It keeps turning on and off until I unplug it. Any...


2 most common causes of that sympton would be

1. Lamp failure is the most logical culprit BP96-01403a is the lamp number and I recommend only using an OEM replacement

2. Color wheel malfunction. Usually when the wheel fails you will hear a very loud motor spinning sound from within the tv.

If you havent replaced the bulb in a couple years that would be the most logical cause.

Oct 28, 2011 | Samsung HL-P5063W 50" Rear Projection HDTV

2 Answers

Dell 1800mp projectors turns on for a few seconds then turns off and lamp light stays solid orange...what's the problem. New bulb?


Hello
If the Lamp light and power lights are blinking orange, the lamp driver has failed, and the projector will automatically shut down. Unplug the power cord from AC mains wall socket, wait for three minutes and replug and see whether it helos you. If not, contact Dell service center.
OK.

Nov 19, 2010 | Dell 1800MP Projector

1 Answer

I push my power switch and nothing happens. the


Unplug the tv for 5 minutes, then try this. Keep holding the VOL+ and CH- buttons down while you plug the tv cord back into the wall ac outlet till you get sound and picture for a second or two. You should be able to turn the tv on and off with the power button now. Next turn the power button off and unplug the tv for a few seconds and then plug it back in and turn the power button back on. Watch the screen and see if the sound and picture comes on, best to check in a dark room to see better, if sound stays on and picture comes on a few seconds and back off you have a bad CCFL backlight lamp in the LCD panel. This tv hads (10) CCFL lamps part # RLMPLA029WJN1 cost $15.93 at www.partstore.com or $19.49 at www.encompassparts.com in it and if one is burned out it will not let the tv picture be powered on till it is replaced. To check and replace the CCFL lamp you will have to unplug the ac cord from the tv back and remove 10 screws holding the back on. With back removed unplug the wire plug on the power button circuit at top left side of the black LCD screen trim, remove 4 screws holding the top of black trim, lay speakers off it, and release trim clips, (4) at top and (2) at bottom with a flat screw driver, and lower the trim to unclip the LED circuit board at bottom left side on the trim. With trim removed, at top of LCD panel remove the (2) PC ribbon wire clips with thumb nail by lifting up on it to release the flat PC ribbon wire. Lay the tv back on a soft pillow with screen up, and look on the LCD panel front for and remove the (10) silver screws 1/2" long with an arrow mark beside them. Do not remove any gold colored screws or any without marks. The LCD panel screen can now be lifted off, lift the backlight plastic thin sheeting and thick sheet off to see the CCFL lamps. Plug the ac cord back into the power supply inverter circuit board and plug the power button plug wire back in its circuit board on the LCD black trim panel, and power the tv on while looking at the CCFL lamps. If the lamp is dim or burned out, take the (2) white plastic covers off the ends of the lamps with a flat screw driver and unclip the lamp to replace it, Check the lamp socket part # QSOCFA003WJZZ by putting a good lamp in it and if it lights up the sockets are good and the bad lamp was the problem. If all the CCFL lamps do not light up, unclip the top lamps and move them to differant sockets to the center and the center lamps to the top, if the lamps do not light up, then it is a bad power supply inverter circuit board the ac cord plugs into, part # RUNTKA448WJQZ , cost about $160.00 for new one or less if you buy a used one on www.ebay.com , replace it and the tv should work ok then.
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Jun 02, 2010 | Sharp LC-32SB23U 32 in. LCD TV

1 Answer

No picture and no sound


simply unplugging the TV and turning it back on if started to work.
if it doesn't then the Trying a new lamp first is reccommended.
After all, you will need another lamp eventually.
Samsung Parts

http://www.samsungparts.com/
model HLM507W as two different lamp replacement part. the LAMP for my TV was BP960224A. the replacement lamp listed on the Samsung site is BP960224C which was replaced by BP960224J. the difference according to my supplier is that A part has a brown power coupling and the J part has a black power coupling. hope this helps someone in the future. The couplings are different and a black LAMP coupling will not fit a brown TV coupling.

Replacement is simple, getting the right bulb is tougher. Make sure the TV is unplugged and the lamp has cooled. Looking at the TV from the back there is a lamp cover on the lower right. Remove the single screw, remove the door. There are two screws holding the lamp in, loosen these. Then flip the black plastic handle up at the bottom of the lamp assembly and pull the lamp assembly out.

Note the brand of the buld and the color of the connector (black or brown) and then call to order your parts from Samsung's parts reseller

With set off...mute + 1 + 8 + 2 + power.
Arrow down to "Options" push enter.
Lamp reset and lamp hours should be in there.
Power off 2 minutes or until fan kicks off to exit.
BP96-00224C LAMP ASSY./ PHILLIPS 40''-50'' $199.99

Jan 28, 2008 | Samsung HLM507W 50" Rear Projection HDTV

2 Answers

No light come on from the projector


Thats the projector telling you that you need to replace the lamp. Lamps usually lasts for about 2000 hours so if you had it for a while you may need to replace it.

www.froogle.com and enter your make and model or go to www.projectorcentral.com and find a few retailers in the US that sells lamps.

good luck

smeags

Jan 02, 2008 | Hitachi CP-X260 LCD Projector

2 Answers

No picture, hear sound, television will shut off after a few seconds.


Lamp life is only a few thousand hours. Hopefully its only the lamp that made to noise. Don't turn on again until lamp is replaced.

Nov 05, 2007 | Toshiba TheaterWide 52HM84 52" Rear...

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