Question about Samsung HLN4365W 43" Rear Projection HDTV-Ready Television

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Won't turn on even with new bulb

I was given a 2 year old samsung 43-inch projection tv and was told it just needed a new bulb. I bought a new bulb on line that is compatible to this t.v. when the new bulb is put in it tries to turn on then all the warning lights comes on it turns off again. Could there be another problem? Or do i need to buy a bulb from Samsung?

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Colorwheel may be bad

Posted on Jan 12, 2009

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My sony KP-443X3U rear projection tv went to standby and I cannot get it to switch on. It is approx 6 years old. I think the bulb needs to be replaced?


Google the model number to locate it with "lamp" and You Tube has video instructions for replacing in most models--lamp has a 2,000 hour or 2 year average life and is meant to be replaceable by the customer who owns the set.

Nov 06, 2012 | Sony Televison & Video

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Changed lamp green light comes tv plays for about 1 or 2 minutes tv goes blank red flashes 3 times.


Not 100% sure but I am currently looking into this. 2 things it might be which are most probable. I replaced my lamp a few years back with no issues. This time around I figured I'd be proactive and bought a new lamp as my current one was going dim. Not unusable but I could tell. Lamp arrived and I put it in. Started up, great! Then after a few minutes it shut down and the red LED would blink 3 times. I removed the lamp and replaced it after unplugging the tv and turned it on. This time it ran about 20 minutes and same thing! Tried a third time and had the same thing. So I put the old bulb back in, and this time it didn't even turn on! I removed it and with a flashlight looked in there. There are two safety switches. The first is a very small pressure switch at the base of where the bulb interfaces to the TV. That switch ensures the bulb housing is seated. Secondly there is a switch in the rear side where the second door with the lever lock is. When you rotate it the switch is engaged. I replaced the housing carefully and made sure everything was tightly seated. The tv has been on for about an hour now no issues with the old bulb.

I have two theories and am leaning toward the second one I will suggest. One is that the bulb is somehow overheating as it is newer and brighter, or is somehow defective. The other theory is that as the bulb heats up the switch might be getting dislodged. I am leaning towards this given that it is working with the old bulb. But I am not certain. Soon I will try the new bulb again and may even attempt to slightly bend the switch out a little so that it is easier to engage.

Jan 05, 2011 | Sony KDF46E2000 46" Projection HDTV

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SAMSUNG DLP SLIM 50" AFTER I TURN IT OFF IT WONT TURN BACK ON TILL 30 TO 50 MINS LATER THE THREE LIGHTS IN THE FRONT BLINK. iT ACTS LIKE ITS GONA TURN ON BUT IT DOESNT IT JUST MAKES THE NOISE AND FLASHING...


Chris,

I had the same problem. I bought my tv at Best Buy and my warranty included a new bulb for the lamp. They only last about 2 yrs or so depending on how much you watch the tv. You can also buy replacement bulbs online that don't cost too much. BUT, you will need to replace every couple of years. The things you listed are exactly what happens when the bulb goes out. Hope this helps!

Sep 14, 2010 | Samsung 50" Slim-Depth DLP HDTV

1 Answer

I have a samsung tv model #hln4365w. it turns on but the lamp light blinks and cycles through about 3 times, then the three lights come on including tempature and all shuts down. Is this the sign to...


The projection lamp has not been replaced like 1 1/2 or 2 years and tv on and used like 4 or 5 hours a day on this tv?yes,than the projection lamp life is over.Require a new projection lamp.

Sep 13, 2010 | Samsung HLN4365W 43" Rear Projection...

1 Answer

Cable hooked up right...turned on this morning sound no pic


Ur tv been in use at least 1 1/2 or 2 years.On about 4 or 5 hours a day on this tv?The LED light indicator "LAMP" flashes?The projection bulb life is over.Require a new bulb.

May 27, 2010 | Samsung DLP HL-P4663W 46" Rear Projection...

1 Answer

No video but there is audio after replacing bulb


NAKE SURE YOUR FRONT COVER THAT GOES OVER THE LIGHT IS'NT ON TO TIGHT ALSO CHECK THE 2 SCREWS THAT MOUNT THE LAMP COVER MAKE SURE THERE NOT TO TIGHT AND THAT THERE BOTH SCREWED IN THE SAME AMOUNT AND ALSO CHECK THE FAN ON THE BACK OF YOUR T.V. AND CLEAN IT IF NEEDED

Mar 07, 2009 | Sony Grand WEGA KDF-55XS955 55" Rear...

1 Answer

I have an HLN437W and it won't turn


The problem is the fan behind the bulb or the fan behind filter.

Mar 01, 2009 | Samsung HLN437W 43" Rear Projection HDTV

2 Answers

New HDTV bulb


I have just bought a second hand Sony 50 inch Projection & the owner from new (paid 1200 Quid) assures me he has never replaced the bulb in 6 years. Don't pay 190 Pounds plus, if you can loosen 2 nuts you can get an Osram bulb alone (not mounted) for 32 Pounds 55 Dollars delivered if you search well on E Bay

Jul 29, 2008 | Sony KDSR50XBR1 50" Projection HDTV

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