The Official HP Pavilion 1080P DLP Owner's Thread - Page 363 - AVS Forum
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post #10861 of 10890 Old 01-18-2014, 05:38 PM
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Quote:
Originally Posted by MatthewS42 View Post

snip... The picture is still excellent ...snip
Then its not likely to be the color wheel. Maybe a fan is rubbing on something, or its bearings are shot.
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post #10862 of 10890 Old 01-18-2014, 06:02 PM
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Quote:
Originally Posted by MatthewS42 View Post

Now there is a rather loud humming noise coming from behind the lamp which starts a few seconds after turning the set on and lasts until the motor shuts off which is a minute or two after turning it off.
There is a fan right behind the color wheel, and the fan stays on for a minute or two after you turn off the set. If you are lucky, it's the fan. Color wheel noise would probably sound like it is coming from an area right of the fan.

The fan is accessible after you remove the power supply from the rear. You can probably get a used one from somebody here, but I would recommend trying to get a new one if you can find a close match. You should be able to match or come close on all the specs.

-Dave
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post #10863 of 10890 Old 01-19-2014, 11:25 PM
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My md6580n served me well since 2006, but recently failed and I decided it was time to move on. The screen suddenly started showing blue streaks to the right of any saturated white areas of the image, and the whole image is dim. I haven't bothered diagnosing the exact problem, but I'm sure most of the TV can be used for parts. If anyone in the Sunnyvale, CA area wants (and can pick up) the TV with remote and ~1 month old replacment bulb, plus the HP stand, PM me and its yours.
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post #10864 of 10890 Old 02-03-2014, 04:09 PM
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Well, after a crackle followed by a distinct electrical burning smell, my beloved 6580 has died.

Looks like I will try to pick up a Panny plasma TV if I can still find one.
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post #10865 of 10890 Old 02-03-2014, 07:59 PM
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My MD5880 dropped dead about 2 weeks ago. I got a Panasonic ZT60 last week, but they are going fast, so I'd hurry.
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post #10866 of 10890 Old 02-08-2014, 01:54 PM
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Well, looks like goodbye to you guys in this thread. Decided to jump into the world of projectors - went with an Epson 6030UB and a 100" EluneVision Reference 4K screen.

We will definitely miss the 6580 it really had a fantastic image.

Anyone need a bulb? I have one new one that has never been used (to be honest, I never even tested it). The old bulb probably isn't worth it - it was getting dim and had logged a ton of hours. If you pay for shipping and buy me a beer, the new one is yours.

Any other parts you want scavenged let me know quickly before I have it hauled away.
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post #10867 of 10890 Old 02-10-2014, 11:29 AM
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Quote:
Originally Posted by rsambuca View Post

Well, looks like goodbye to you guys in this thread. Decided to jump into the world of projectors - went with an Epson 6030UB and a 100" EluneVision Reference 4K screen.

We will definitely miss the 6580 it really had a fantastic image.

Anyone need a bulb? I have one new one that has never been used (to be honest, I never even tested it). The old bulb probably isn't worth it - it was getting dim and had logged a ton of hours. If you pay for shipping and buy me a beer, the new one is yours.

Any other parts you want scavenged let me know quickly before I have it hauled away.

PM sent. I don't know how many of us are left, but my 6580 is still hanging on.

I'm almost afraid it will wait to die just until all the available Panny plasmas have vanished, but I can't bring myself to replace a perfectly functional TV that still has great PQ.
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post #10868 of 10890 Old 02-10-2014, 05:41 PM
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Hey all!

Just stopping by to say hello. I was a proud owner of the MD5880 from Nov 2005 until July 2011. Awesome TV.
It's great to see there are still these TVs out there humming along, 8+ years later.

I thought I'd mention I just picked up a 60" LED TV for 1/4 the price of what I paid for the MD5880 back in 2005.
Wow, how times have changed. This new TV is less than 2 inches thick! I can see why DLPs have disappeared from all TV maker's catalogs. The price advantage of DLPs has been nullified completely. Plasma TVs are the next to be gone.
Who knows? In 5 years we'll see an 80 inch OLED going for $399 tongue.gif

Later!!

"Your Karma ran over my Dogma"
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post #10869 of 10890 Old 02-10-2014, 07:59 PM
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Quote:
Originally Posted by pfilippone View Post

Who knows, in 5 years I'll be buying a 80 inch OLED for $399? tongue.gif

Wouldn't that be great. It's hard to believe I spent $8K on my first 50" Fujitsu plasma 10 years ago.
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post #10870 of 10890 Old 02-22-2014, 11:46 PM
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Well after almost nine years I have my first problem with my MD6580. I think it's called clay face, faces have really bad coloring, usually across forehead, bridge of noise, cheeks, etc. Other surfaces can look bad as well as light moves across them. Is this also called posterization, or is that something different?

What's the current thinking on potential fixes?

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post #10871 of 10890 Old 02-23-2014, 12:05 PM
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I did change the color wheel index value to 15.

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post #10872 of 10890 Old 02-23-2014, 09:21 PM
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Really hate that I can't edit my posts later...changing the value to 15 improved things, but the issue is still there.

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post #10873 of 10890 Old 03-13-2014, 08:36 AM
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Where did everybody go? smile.gif

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post #10874 of 10890 Old 03-13-2014, 09:55 AM
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It seems like AVS Forum does not always email notifications, but they emailed me a notification for your message.

IIRC, changing the color wheel index value to 15 was a temporary fix for most people.

My MD5880n failed last fall, and the timing was perfect. I got a Panasonic TC-P65VT60 65-Inch plasma HDTV for about $2,400, and then Panasonic decided to exit the plasma business. The model is still available, but the prices have risen to nearly $5K.

The Panasonic should last until I can get a 65" 4K OLED HDTV for a reasonable price. LG introduced one this year, but did not release pricing for the 65" model. Pricing for the 77" model is expected to be $30K.

I was very happy with my HP DLP. The picture was perfect for 8 years. I was even happy that it decided to die when it did.

-Dave
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post #10875 of 10890 Old 03-13-2014, 11:42 PM
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Hey, Dave. Looks like we HP DLP old farts are becoming a dying breed. smile.gif We tried a 70" Sharp LED for a week or so but took it back yesterday. So now we're back to the dying TV. May try the new Sony W850B 70" LED coming out this week which we can get at discount for $1950. Existing 65" plasmas are also under consideration, but as you note they can be pricey. Interestingly, wife wants 70" for our next TV...I guess size does matter.

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post #10876 of 10890 Old 03-14-2014, 08:33 AM
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I was seriously considering getting a 4K HDTV last fall. The resolution really is stunning. However, when I was shopping Magnolia/Best Buy and looked at comparable sized Panasonic VT and ZT models, and a Sony Bravia 4K, and I preferred the plasma. To me, the picture seems much more natural and has many of the characteristics of a great direct-view CRT HD display.

One thing I do kind of miss is the overlapping pixels edges provided by DLP wobulation. If I am to close to my Panasonic I can perceive the individual pixels. That was never an issue with the HP DLP.
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post #10877 of 10890 Old 03-30-2014, 09:07 PM
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We are still using the HP set...partly too busy to look at other sets, and partly wondering if maybe the HP set will limp along for a while longer. I'm not really seeing the clay face issue recently, so maybe things will be OK for a while.
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post #10878 of 10890 Old 03-30-2014, 10:02 PM
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Friends who I gave my HP display to, still own it and say it's still going strong.

 

(though it is on its second bulb replacement)

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post #10879 of 10890 Old 04-06-2014, 04:48 PM
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My TV starting getting really loud whenever the screen was black (or the majority was black).  I decided to try replacing the color wheel as it seemed like people said that gets noisy when it starts dying. 

 

Anyway, does anyone know if/where I can get the part in the picture below?

 

 

Right now I'm using the picture someone else posted on here - I'll take a different picture tomorrow.  Basically it's the part the color wheel screws into.  There's a chip on the side, and the wires came detached (the red, yellow, black wires where the arrow is).  I tried my best to reconnect, but now my lamp won't turn on. 

 

I'm not sure if this part has anything to do with the lamp, but it's the only thing that I touched.  So I thought maybe I just need to replace that part.  But any insight would be appreciated. 

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post #10880 of 10890 Old 04-12-2014, 12:55 PM
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so I just wanted to update my last post:

 

when I press the power button:

 

1. the lamp goes on for about 1 second and then turns off

2. the 2 fans run without any issue

3. the color wheel spins

4. the red lamp and temperature lights both flash twice (which I think means "internal issue" or something according to the manual)

 

looking at some Samsung forums, I think the part connected to the color wheel is the RPM sensor?  would that cause the light to not work?  I also thought maybe the ballast was the issue, but the lamp is turning on.  I took the tv about probably 15 times and checked all the wires.  so does anyone know if the RPM sensor would cause the tv to not turn on?  and any ideas on where to get one?

 

Thank you!

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post #10881 of 10890 Old 04-21-2014, 02:30 PM
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My md5880n has had a severe posterization problem for a while. I was hoping to find someone who could fix this wonderful TV, but it seems this group is actually winding down. I guess it's time to follow the example of others in the group and give up. I live in Oakland, CA. Other than the posterization, the TV has all the other normal functions. Does anyone want to pick it up from me for parts? Does anyone know of anyone who's repairing these units?
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post #10882 of 10890 Old 04-22-2014, 10:52 PM
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Have you tried changing the color wheel index? If not, search this forum for "color wheel index".
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post #10883 of 10890 Old 04-29-2014, 03:16 PM
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IT's long past that point. I did that initially, and kept it cool with various fans methods, including a portable a/c unit. That worked for a while. But, eventually, it would posterize no matter what I did.
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post #10884 of 10890 Old 04-29-2014, 03:17 PM
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If anyone wants the bulb, PM me and make me an offer. I replaced it a while back, but haven't used the TV for a long while because of the posterization problem. This bulb should have a lot of life left on it.
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post #10885 of 10890 Old 05-09-2014, 03:16 PM
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Quote:
Originally Posted by Coucher View Post

Looking for some insight..

Have had a MD5820N (58' 720p) since 2006 that has been a great tv. About two years ago the bulb blew, replaced it with one from Electrified. About a year ago the color wheel inside the light engine shattered. Found a place that would refurbish the light engine including a new color wheel. Shipped that off, got it back, everything was good again. A few weeks ago I there was a noticeable dimming of the picture. No amount of adjustment to the settings would fix this, just wash the picture out if you jacked the brightness up. Also, going into the Advanced Picture settings, toggling the Brightness Boost on/off showed no change. I suspected the generic non-OEM bulb from Electrified was probably nearing the end of it's life, so I ordered another, which arrived today. Installed the bulb, same exact brightness and behavior.

Any thoughts? Possible it's something with the refurbished light engine? Something else?

Thanks in advance for any thoughts or suggestions.

Quoted the above for background info.

I don't really spend much time watching TV in the room that the tv is in, so I haven't really given much thought to the above problem I had for quite some time. Recently however I came across a discussion of MANY people who had had a bad experience lately with Electrified's bulbs, commenting that they were very dimm.

So, on a whim I purchased a bare bulb from AdvancedLamps.com since I have collected three bulb housings through the years with replacement assemblies, and also because the bare bulb is substantially cheaper.

The bulb came in today, so I swapped it into one of the housings I had that had a blown bulb in it. Popped it back in the tv, turned it on, and viola, full brightness and perfect picture restored....so it WAS a crappy new bulb from Electrified after all. But....now the tv after 30 seconds of displaying a perfect picture will turn off and restart. Upon restarting, it will again show a perfect picture for exactly 30 seconds, then turn off again. On the third restart, no picture, no sound, just a pulsing blue light. No red lights at any time.

Any ideas? If I put the Electrified bulb back in, it powers on, stays on, just is back to the above dim picture problem.

Also tried pulling the power cord, letting the tv sit for about a minute, plugging back in.....no change.
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post #10886 of 10890 Old 06-20-2014, 02:37 PM
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Update on the above...

AdvancedLamps replaced the first lamp they sent, which arrived today. This lamp is doing the exact same thing as the first one from them. Power the tv on, displays an absolutely perfect picture, vibrant brightness for about 30 seconds, then the tv "reboots". Displays fine, 30 seconds, power cycles (reboots) again. Can leave the tv on for an hour and it continues a never ending cycle of this.

Put the old bulb back in, tv turns on, displays a great picture, just very dark/dim (the original problem), and will stay on for hours without any of the "reboot" behavior.


Hoping someone still checks in on this thread and has any ideas.

Thoughts?
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post #10887 of 10890 Old 06-24-2014, 07:18 PM
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Quote:
Originally Posted by Coucher View Post
Thoughts?
Perhaps the new bulbs are drawing too much current, and the ballast/supply is overheating, causing the reboot.

You should try finding bulbs from a different source to see if they behave better.
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post #10888 of 10890 Old 07-08-2014, 06:30 AM
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Replacement parts MD5880

Hi all,

My MD5880 died about a year ago. If I remember correctly (and my diagnoses is correct), it was the light wheel. I really really liked this TV (the image that is) but the costs of replacing parts (I had gone through a number of bulbs) just prevented me from investing in it any further. So, I though I would put it to one side (I have extra storage areas in my house) and look for replacement parts from people that were ditching their TV for what ever reason. I've not paid too much attention until now. My son is moving out so I thought I would try sourcing parts so I can let it live on with him. On the outside chance....anyone in Ontario Canada getting rid of their beloved MD5880 and want to give it to a new home?
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post #10889 of 10890 Old 07-29-2014, 08:12 PM
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Red face Hp MDTV md5880n - HDMI not working with pc

Hi there

I cannot connect pc with HDMI cable..tested cable, tv, etc, and all seems to be working fine - can connect HDMI with cable box and everything; when connect pc with HDMI cable it shows only "no signal"..

thanks for any help anyone!

Ana
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post #10890 of 10890 Old 08-02-2014, 04:30 PM
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When PC connected to HDMI input, does the PC video setup recognize the TV as a display device? Do you have a separate monitor for the PC that works so you can do the video display setup? Is the PC video resolution set to something the HP TV is compatible with?

Not enough information.
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