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Official Mitsubishi hc4000 ONLY Thread - Page 92

post #2731 of 2855
I paid about a grand for the pj initially...to send in is 60 plus 120 hour labor.....the tech on the phone said its most likely colorwheel bearing gone bad from description.....if thats the case about 500 to fix plus shipping costs.....in other words....not worth it......thete was no mention of sensor or sync etc.......so thoughts?
post #2732 of 2855
But color wheel is 125 shipped roughly and old wheel does have 9000 hours spintime.......thoughts?
post #2733 of 2855
Wuts most annoying though is that pj is 6 days out of warrenty
post #2734 of 2855
9000hrs on the PJ eek.gif

My thought is to pay the $60 to diagnose, then figure out what you wanna do from there.

Better to be out $60 than $125 if you're wrong.

But that's just me.
post #2735 of 2855
Quote:
Originally Posted by ntrain96 View Post

My HC4000's wheel is starting to make a whirring noise(that ramps up and down)while the picture now starts to flicker odd colors when the projector gets up to temp. and then eventually shuts itself down...

Before the PJ warms up, when it is still working normally, is the whirring (whining?) noise loud? Louder than before it started malfunctioning? Or does it start off quiet then get louder?
post #2736 of 2855
Thread Starter 
I have a Benq w7000 on the way, figured what the hay :P
Mostly for 3D.
post #2737 of 2855
Quote:
Originally Posted by fleaman View Post

Before the PJ warms up, when it is still working normally, is the whirring (whining?) noise loud? Louder than before it started malfunctioning? Or does it start off quiet then get louder?
It starts off normal, first mits screen comes up, then the blank/blue screen comes up...........colorwheel/noise or lack of is normal.....(both green leds on mits are solid).....then the screen shifts to a blue/grey color, then you can see color shifting happening and the screen flickering, and then you hear the color wheel whirring and can hear the wheel speeding up and slowing down, over and over while the flickering and colorshifting gets worse, then the unit eventually shuts itself down and one led starts blinking red.
post #2738 of 2855
Quote:
Originally Posted by ntrain96 View Post

It starts off normal, first mits screen comes up, then the blank/blue screen comes up...........colorwheel/noise or lack of is normal.....(both green leds on mits are solid).....then the screen shifts to a blue/grey color, then you can see color shifting happening and the screen flickering, and then you hear the color wheel whirring and can hear the wheel speeding up and slowing down, over and over while the flickering and colorshifting gets worse, then the unit eventually shuts itself down and one led starts blinking red.

Not sure if I understood, but I think you're saying the color wheel noise sounds normal, and only due to the CW speeding up/down do you notice the noise more--due to the changing pitch of the whining.

If so, then it doesn't sound like the CW bearing is bad as they usually start to make more noise when they go bad, even when at a steady speed.

Again, the CW speeding up/down is the attempt to sync to the signal/HZ, which is not being consistent (for whatever reason internal to the PJ). It might just be a symptom of the problem, not the actual problem itself.

I can hear my CW more by switching between 24fps and 60 on my blu ray player, and it is a little louder at one speed than the other speed (in my case it is strangely louder at the slower 24fps speed, perhaps due to the pitch being lower), but my CW bearing is fine of course.
post #2739 of 2855
Quote:
Originally Posted by fleaman View Post

Not sure if I understood, but I think you're saying the color wheel noise sounds normal, and only due to the CW speeding up/down do you notice the noise more--due to the changing pitch of the whining.
If so, then it doesn't sound like the CW bearing is bad as they usually start to make more noise when they go bad, even when at a steady speed.
Again, the CW speeding up/down is the attempt to sync to the signal/HZ, which is not being consistent (for whatever reason internal to the PJ). It might just be a symptom of the problem, not the actual problem itself.
I can hear my CW more by switching between 24fps and 60 on my blu ray player, and it is a little louder at one speed than the other speed (in my case it is strangely louder at the slower 24fps speed, perhaps due to the pitch being lower), but my CW bearing is fine of course.
Yeah, after talking to the rep at PP.com again, they think the color wheel is fine too, they think I was hearing the internal cooling fan ramping up and down.........what they think the problem is, is the main board being defective..........if that's the case they say the unit is basically JUNK and not worth repairing.

Here is the kicker.......this all started happening about a month ago, my wife called up Projectorpeople.com talked to tech, and the thought was the bulb was on its last leg as it was nearing the end of its lifespan.....so we got the new one in and installed it just the other day and it was doing the same thing.........of course when she originally called back in Nov. the unit was still under warrenty.........now we are in reality a few weeks PAST the warranty cut off date..........

So Projectorpeople have emailed Mitsubishito see if they will honor the warranty..............the tech at PP said that mits has many times in the past taken care of people who were only a few weeks out of warranty...........Im going to be pissed if Im not one of them.........otherwise I just wasted $300 on a new bulb and will need to replace the unit altogether............if that's the case its probably going to be the last Mits product I ever get.......I have a few RPTV's in the past including 2 Diamonds, and they all have had expensive issues literally right at the end of the warranty date. frown.gif
post #2740 of 2855
Quote:
Originally Posted by ntrain96 View Post

So Projectorpeople have emailed Mitsubishito see if they will honor the warranty..............the tech at PP said that mits has many times in the past taken care of people who were only a few weeks out of warranty...........Im going to be pissed if Im not one of them.........otherwise I just wasted $300 on a new bulb and will need to replace the unit altogether............if that's the case its probably going to be the last Mits product I ever get.......I have a few RPTV's in the past including 2 Diamonds, and they all have had expensive issues literally right at the end of the warranty date. frown.gif

Expect the worst, hope for the best.

There is at least a recorded date of you addressing the problem. Of course it would have been better to contact Mits first since your warranty was close to running out, to lock that in. Guess you'll do that next time wink.gif
But PP is right, Mits IS really good with CS. A poster here got his unit fixed under warranty, even though it too had run out (I think in that case the PJ had been fixed for a motherboard problem already, but the warranty had run out when it popped up again, they fixed it anyway).

You're issues/problems don't seem out of the ordinary for the types of products you're using, RPTV's and projectors---both have shown to be nowhere as reliable as a typical TV (CRT or Flatscreen). Especially considering the 9000hrs put on your PJ.

I've been around AVS for a while and have not seen anything more reliable than Mits projectors. But again, that's relative to other brands of PJ's. If a 9000hr lifespan for a PJ is too short for you, then the only safe option is to go with something like a LED/LCD flatscreen IMHO.
post #2741 of 2855
BTW, my HC3800 is about 3 years old and it only has about 500hrs on it.

So at that rate, your PJ would have lasted me 54 years wink.gif

9000hrs in such a short span seems like a HD use situation to me. Sorta like Taxi's and Police cars vs normal cars.
post #2742 of 2855
Quote:
Originally Posted by fleaman View Post

BTW, my HC3800 is about 3 years old and it only has about 500hrs on it.
So at that rate, your PJ would have lasted me 54 years wink.gif
9000hrs in such a short span seems like a HD use situation to me. Sorta like Taxi's and Police cars vs normal cars.
I have 3 pj's in the house. I use them basically as TV's, watch cable, blu rays and video games on em.
post #2743 of 2855
"About a grand" and 9,000 hours = $0.11per hour (not counting extra lamps).
post #2744 of 2855
For 2D, how this compares to HC7900 and HC8000 in shadow details?
post #2745 of 2855
Thread Starter 
Not sure this helps, but I just got a Benq w7000 in today. They look pretty close.
Edited by coderguy - 1/3/13 at 8:10am
post #2746 of 2855
The W7000 should have a big lumens advantage, so better if you have a huge screen...
post #2747 of 2855
Thread Starter 
You know what is frustrating, the Viewsonic (if going by menu text) is the sharpest projector of the bunch natively maybe just tied to the JVC (between Benq, JVC, Mits). Yes the Viewsonic's menu is sharper than the BENQ! The VS has virtually no CA on the menu, the CA it does have is a light blue and almost invisible. The pixel mapping error on the VS is what makes it so that the VS has less sharpness than the Mits and Benq and JVC, though sometimes I think the VS pixel mapping error has the least affect of any projector EVER with a pixel mapping issue (because the darn thing has perfect focus and sharpness). So for instance, take any other DLP I've seen and add 2 clicks of keystone, and the VS is at least that sharp in video, maybe sharper.

If Viewsonic were to provide a simple pixel mapping firmware fix, the Viewsonic would be the sharpest projector I've owned. You can tell the JVC lens is better than the Benq, hard to explain, but they are so close in sharpness it doesn't matter for video, except that the Benq is noisier (sorry to be repetitive).
Edited by coderguy - 1/2/13 at 12:05pm
post #2748 of 2855
Quote:
Originally Posted by coderguy View Post

I cannot believe Art called this PJ an ultra high contrast projector, he must have gotten a different version than me smile.gif
d.

Well, supposedly there were was a firmware update the improved the dynamic iris greatly, so I guess check to make sure you have the latest firmware?
post #2749 of 2855
Thread Starter 
Yup, it has latest, v1.03.
post #2750 of 2855
Is the iris operating properly? Wonder if there might be a problem with it? Wouldn't be the first time.

Being the W7000 is much brighter, and the native contrast is probably worse than the HC4000, it's gonna need that DI to work rather aggressively...
post #2751 of 2855
Thread Starter 
Edited Again:
On a perfectly clean source, Benq not noisy, it's just on film or non-digitally filmed stuff mostly (movies pre-2010). So should be fine on a lot of content and not have much noise overall, except in the cases of poorer sources or stuff originally recorded in 35mm "FILM". Although Tree of Life is a reference level copy, it was done in 35mm film, so it is exposing this issue more so. The JVC is better at hiding noise when watching films.

After watching more content, Benq IRIS NOT that jerky, but on most scenes it has too small of an effect, you can barely tell the difference. When watching Universe series, I can hear it move barely, but I can barely tell. Needs to be adjusted by me to get those deeper blacks. After adjusting the lens shift position (I moved projector entirely), the CA is now less, the sharpness is now VERY VERY slightly higher than the JVC on text, but the difference is still not really perceptible in HTPC. Played with the Benq's noise reduction control, it helped in some scenes, but the amount of noise in the content you are viewing matters more.

The biggest advantage of the Benq over the Mits is:
Placement Flexibility
Brightness
LESS RBE
Textual Sharpness in HTPC (although this really isn't a huge deal unless someone just reads forums all day on their projector with small text)
Edited by coderguy - 1/2/13 at 1:30pm
post #2752 of 2855
Has anyone used the Wilsonart laminate with an hc4000? I have heard good things about the colors designer white and fashion Grey. (although I am guessing that there's not enough lumens for the fashion Grey?... Or is there?)... I am receiving my Hc4000 on Friday...can't wait to get this thing going.
post #2753 of 2855
Dunno how large you're going, but I have a .9 gain gray electric screen, only 80" size, so it can handle it. Low lamp and about 500hrs on the lamp so far.

I wouldn't do .9 gain on anything much larger than that though.
post #2754 of 2855
I will be going with a 106" 16:9 screen. I am hoping the designer white color of Wilsonart does have too much gain, causing bad blacks.
post #2755 of 2855
I think those wilsonarts are around a 1.0 gain at best.
post #2756 of 2855
Just received my HC4000 today!!! Only got to play with it for 5 mins because I had to head out...can't wait to get home and get 'acquainted' with it. I know this may be a dumb question, but I want my initial viewing experience to be great, with a bright, saturated image with lots of POP....any suggestions of settings I should set before I even watch anything? Just some quick, "all round", bright punchy settings would be great. (I know all round settings don't exist, but....) I like to keep a low lamp on in the room. Thanks
post #2757 of 2855
Thread Starter 
I don't remember any settings (been over a year since I really fiddled with this projector), although watched it at a friends about 2 months ago next to an Epson 5010. www.projectorreviews.com has some settings you can look at, as well as earlier in this thread.

This is still the best projector under $1,500 for overall 2D IMHO if you are not overly RBE sensitive. That is unless you can find a JVC HD250 in that price range. The only downside of the Mits is that RBE is higher than most DLP's with 4x color wheels, because the Mits has higher contrast and makes it easier to see.

After more viewing, I think if going by overall PURE PQ it still slightly edges out the Benq w7000 due to better blacks (but w7000 is really a trade-off, each PJ does some things better than the other). Overall I put them almost equal, but the hc4000 definitely did some things better. The w7000 definitely has less RBE, this kind of confirms my theory that native on/off contrast contributes to RBE just as much as brightness. The Benq barely has any RBE in 4x mode even when it's brighter, it's much like the Viewsonic Pro8200 in that sense.
post #2758 of 2855
WOW! I can honestly say that I am officially NOT missing my perfectly calibrated Panasonic 3D Plasma anymore! I just had a chance to play with my pj, and this thing is amazing. Even with ambient lighting, its great to watch tv, and when its movie time with lights off....this thing truly shines. Thanks to all for recommending this pj.
post #2759 of 2855
Quote:
Originally Posted by coderguy View Post

. The w7000 definitely has less RBE, this kind of confirms my theory that native on/off contrast contributes to RBE just as much as brightness. The Benq barely has any RBE in 4x mode even when it's brighter, it's much like the Viewsonic Pro8200 in that sense.

This would also confirm why you get more RBE with credits (white on black background), black and white movies, high contrast images (ala, Sin City), etc...
post #2760 of 2855
Thread Starter 
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