Question about Samsung DLP HL-P5663W 56" TV

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TV will not come on

My set was turning off after a while by itself. I thought it was something run with the lamp. I took it out. It was working when I took it out. Now, that I put it back the lamp light comes on, at the on off swtich. What did I do wrog by taking it out.

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  • texascbears Jan 23, 2008

    We have the same problem. It took us four hours last night of continuously turning it on after automatically turning off, for it to stay on. We are not leaving it on all the time.

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Got it in backwards if led... pzzz dont fool with it ...problem is on the mainboard ,,,,, PS or HV is most common.

Posted on Jan 19, 2008

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Mine did the same thing , it finally didn't come back on , it was the power supply , i put a power supply in , made sure the light door sensor was in the down position , then before powering up I did a hard reset (hold the power button down for a minute until you hear a beep.

Posted on Apr 28, 2008

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Mitusbishi dlp tv shut off


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Red light blinks 3 times


Yes, there were and are known issues--"lamp door not properly closed" means that but something else.

What happens is door is warped from heat from lamp----with door off set will not function due to the safety switch----want to know if switch/door are the real problem?

Engage switch with something not metal and try to turn set on--if it and lamp come on do not look at lamp directly----do not operate with level bypassed and door removed as heat can warp the outer plate if no door.

If it comes on door is the problem---look at it edgewise---if warped a little the tab on back of door that engages the lever does not do its job.

If does not come on with lever engaged something else is wrong.

There was a recall that has ended regarding this---some were so bad they melted the lamp housing and even fused the front door of the lamp to the plastic around it.

Let me know what you find.

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TV turns off after two minutes. Power light blinks for a few minutes then TV comes back on. Turning the power off after the set shuts itself off will cause the power light to blink five times for a minute...


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1 Answer

TV shuts itself off


Something is overheating or you've got leaking capacitors somewhere. I'd start with the ballast board. Its directly underneath the lamp housing. You can access and remove it through the lamp door. Replace that and if that doesn't solve the problem, comment again, and we'll move on to more complicated repairs. You haven't noticed any weird noises, humming, screeching or similar oddities from the set? Turn the set on with the lamp door open and bypass the switch with a piece of tape, if you hear something like a hum, you may have a bad color wheel motor.

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1 Answer

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2 Answers

RCA HDLP50W151 keeps turning off


I had a set with a similar issue--at first the tv would suddenly turn itself off, sit for a moment while flashing the power button, then "reset" itself and continue running.

Then one day it quit starting up all together. I couldn't get a picture at all. I was hoping it just needed a new lamp (which is what I was able to gather from reading various troubleshooting forums).

I took it to a repair shop for a definitive opinion, and when they took a look at the TV it actually started smoking and the issue was definately the light engine, not the lamp.  Unfortunately, a light engine repair costs around $950.  If you try to do it yourself, the part costs about $700, if it is in stock (and it turns out that it often is NOT in stock).

Instead of putting that much money into this TV, I'm going to have to bite the bullet and get a new TV.  It just doesn't seem a good use of nearly a grand when new HDTVs can be had for around $1300.  Sorry for bad news.

If you can, try to replace the light first. You can get just the lamp for less than $200, although it may be a larger issue like mine.

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1 Answer

SET DOES NOT COME ON


never fool with led or indicator lamps.... its telling you your power is dropping out somewhere ...most likely a regulator on the PS Board.

Sep 02, 2007 | Samsung DLP HL-P5663W 56" TV

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