Forum Thread

How do I know if my DLP bulb needs replacing?

twskls 3,101 66 September 3, 2011 at 07:02 AM
TV: 50" Samsung DLP about 4 years old. Model # HL 85087W

Problem: No sound, no picture, all three lights in the front (power, lamp, source) flashing with no particular pattern - just a steady on/off/on/off

Details: I had been watching television this morning for about five minutes. The picture disappeared, and the sound remained for about 10-15 seconds, and then it went away. I didn't hear any distinct sounds.

I opened up the back and didn't see anything obvious - no burns or signs of anything blowing up.

Question: Before I spend money on a new lamp, I'd like to know for sure that the lamp is actually the problem. Is there any dead giveaway that the lamp is the problem (other than the fact that there isn't any other problem and I can't get a picture.)

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Joined Dec 2003
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#2
Update:

So after posting and reading some posts on another site, I decided to plug it back in. Wouldn't you know it - it's working fine. That said, there's obviously a problem looming.

Any thoughts?
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Joined Dec 2003
Does this look infected?
3,101 Posts
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Original Poster
#3
Update 2:

So after posting my first update, I walked back into the den, watched about 10 seconds worth of TV, and bing - there it goes again. No picture, wait for it, no sound. Click - the television turns off.

Any ideas?
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Joined Nov 2007
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#4
From personal experience, sound has nothing to do with bulbs.

With absolutely no picture, but then having it come back again, the bulb definitely didn't "explode" (which can happen.) And if it doesn't explode, you will notice the picture looks dark. But again, it won't go away completely and come back again.

The only issue I can think of that's bulb related is maybe it's loose. BUT....that doesn't explain the sound issue. At this point, my guess is it's 93.52% NOT a bulb-related problem. I could be wrong, but I don't think I am.

If you haven't already, I'd try posting in the AVS forums.


As a side note, when the bulb starts to go out, you will notice the picture is dark. It's so gradual you may not notice it until it's really bad. But after 4 years, my guess is it needs replacing soon. Our 2005 rear-projection TV has had 2-3 bulbs. And my cousin's Samsung DLP has had 1 new bulb since 2007.
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Joined Dec 2003
Does this look infected?
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Original Poster
#5
Quote from akkkmed View Post :
From personal experience, sound has nothing to do with bulbs.

With absolutely no picture, but then having it come back again, the bulb definitely didn't "explode" (which can happen.) And if it doesn't explode, you will notice the picture looks dark. But again, it won't go away completely and come back again.

The only issue I can think of that's bulb related is maybe it's loose. BUT....that doesn't explain the sound issue. At this point, my guess is it's 93.52% NOT a bulb-related problem. I could be wrong, but I don't think I am.

If you haven't already, I'd try posting in the AVS forums.


As a side note, when the bulb starts to go out, you will notice the picture is dark. It's so gradual you may not notice it until it's really bad. But after 4 years, my guess is it needs replacing soon. Our 2005 rear-projection TV has had 2-3 bulbs. And my cousin's Samsung DLP has had 1 new bulb since 2007.
Thanks for the input. After reading your post, I widened my focus and read everything I could find in forums, and I found about 10 potential causes. I cleaned the tv - okay my wife did - and it seems to have fixed the problem.
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Joined Nov 2007
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#6
Quote from twskls View Post :
Thanks for the input. After reading your post, I widened my focus and read everything I could find in forums, and I found about 10 potential causes. I cleaned the tv - okay my wife did - and it seems to have fixed the problem.
Good
(5 char)
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Joined Aug 2009
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#7
I would think when you bulb goes it's done. I won't come back on.
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