or Connect
AVS › AVS Forum › Display Devices › Plasma Flat Panel Displays › Hitachi FLICKER Issue...Good/Bad News
New Posts  All Forums:Forum Nav:

Hitachi FLICKER Issue...Good/Bad News - Page 10

post #271 of 2570
Quote:
Originally Posted by CDLehner View Post

...This has really been my contention all along. I will quote, as I have before, from Hitachi's product literature, regarding the PMHD III: "The new Hitachi PictureMaster HD III video processor technology ensures a sharp, smooth and seamless image every time by analyzing and optimizing each frame."

And if you dig a little further on the PMHD III, you'll find this: "PictureMaster HD III technology analyzes every frame as a digital still image. An advanced technique, dynamic histogram processing, digitally maps the incoming signal to optimize on-screen CONTRAST, color and sharpness."...

CD

Well, that's funny because if the processor is supposed to do this to "ensure a sharp, smooth, seamless image..." it is doing a HORRIBLE job. Also, if you can't see this happening you must need glasses...or maybe that's why I see it. Ha.

Well, I wish you luck CD with your new plasma and pray that Jason gets better results than us calling CS. Thanks for all your work and I'll be bugging Hitachi even more.
post #272 of 2570
Quote:
Originally Posted by ck1372 View Post

Well, that's funny because if the processor is supposed to do this to "ensure a sharp, smooth, seamless image..." it is doing a HORRIBLE job. Also, if you can't see this happening you must need glasses...or maybe that's why I see it. Ha.

Well, I wish you luck CD with your new plasma and pray that Jason gets better results than us calling CS. Thanks for all your work and I'll be bugging Hitachi even more.

+1 on that.
post #273 of 2570
The explanation CD Lehner gives seems plausible. However, it doesn't indicate an end point for me. I would think that the PMHDIII should be amenable to design improvement, alteration, or fix that could be performed by software or firmware revision.
post #274 of 2570
Thread Starter 
Quote:
Originally Posted by ck1372 View Post

Well, that's funny because if the processor is supposed to do this to "ensure a sharp, smooth, seamless image..." it is doing a HORRIBLE job. Also, if you can't see this happening you must need glasses...or maybe that's why I see it. Ha.

Well, I wish you luck CD with your new plasma and pray that Jason gets better results than us calling CS. Thanks for all your work and I'll be bugging Hitachi even more.

Well Jason, given the recent developments, I think we're all more anxious than ever to hear from you. I'm not that interested in a fix anymore, as I think its going to take something pretty major to undo what they set out to do. To me, I'm not going to hang a Plasma on my wall and tolerate it while the manufacturer tries to make it better at my expense. But I know a lot of these guys need a solution. Go get 'em.

CD
post #275 of 2570
Quote:
Originally Posted by metalsaber View Post

I wouldn't mention it to HItachi though, they will just start telling people to watch their TV at 100 contrast.

That certainly wouldn'y fly if the situation needs to be resolved legally.

I don't have much patience with companies that sell something for a couple of thousand dollars and acts as if it is toaster.
post #276 of 2570
Quote:
Originally Posted by CDLehner View Post

Even if a viewers personal taste in PQ could withstand the image at 100% Contrast, I would think you'd be cutting the lifespan of your sets panels by about half and living with pretty severe IR or burn-in.

CD


The lifespan would be quite long enough even at half of what it is.

This plasma is great on the ir and burn in side. I beat the crap out of it with 80% contrast and with all types of content and there is nothing that doesn't quickly go away.

I agree many would not be happy with 100% contrast.
post #277 of 2570
Quote:
Originally Posted by SteveK123 View Post

sounds like putting the contrast at 100% puts the image in a state where it is always above the threshold where the auto contrast adjustment kicks in. Interesting test if you put the contrast all the way down does it eliminate the problem as well or does it make the problem worse?

With contrast all the way down it is still there and with the same flickering pace.

Brightness and contrast adjustments (other than 100%) only slightly mask it as what one would expect since that affects overall image clarity.

Only 100% contrast eliminates the flicker.
post #278 of 2570
Quote:
Originally Posted by CDLehner View Post

I'm not trying to talk you guys out of your convictions, but I will continue to comment on the issue and I have to say I think this design choice by Hitachi STINKS. I mean, what in the HELL is Dynamic Histogram Processing??? All of you antagonists out there had better press Hitachi for an answer!!! I tell you what it sounds like to me: like the processor is trying to anticipate what the next scene will look like...FRAME BY FRAME...BASED ON PREVIOUS FRAMES (hence Histogram)...and set Contrast, Color, and Sharpness to optimize each frame. Have you ever heard of anything so stupid? As someone else pointed out previously, why in the HELL have controls if you're going to take the decisions out of my hands anyway??
.

Amen!
post #279 of 2570
So after watching Harry Potter last night...and getting pissed at the "flicker", I decided to call a local Service Center today and have a tech come out and look at my hdt79. He will be coming next Wed. to check things out. The lady taking the info. asked what was wrong and I told her, but she didn't have any response or mention that I'm the "x" caller with this same problem, so either she doesn't care or this center hasn't gotten any calls re: the "flicker". Then again, I only had to tell her once what I was experiencing and she didn't ask any other questions, so who knows.

As an aside, I wonder if there are any "technical service bulletins" that go out to these service centers. I know for cars there is, even on minor issues. For instance, if my Honda has had many issues/complaints/etc. for a rattle, Honda's Corporate office will send a "Technical Service Bulletin" to all dealers to alert them of such issue. Maybe Jason can chime in on this one.

Anyway, I would also urge people to write a review for electronics websites or opinion websites that they might visit. I just finished one at a site and was very honest and fair, I think. The site asked about features and ease of use, which I gave very high marks, but for quality and overall I gave my Hitachi "average" with a "not recommended" because of the "flicker". I explained that, fairly I think, in the written section what was happening and if it was resolved this plasma would be a grand slam.

Oh well, I'll let y'all know how it goes next Wed. With my luck, however, the plasma will probably not do it. HA.
post #280 of 2570
Quote:
Originally Posted by delphi96 View Post

Amen!


they should at least give you the option to turn this off, and like someone else said if this processing is supposed to make a better seemless image its doing a horrible job at it and the firmware algorithms need to be re-written.
post #281 of 2570
Thread Starter 
Anyone heard from Jason recently? Looks like he hasn't posted in a few days. I, along with everyone else, am anxious to hear if he has an update from his Engineer contact.

CD
post #282 of 2570
I walked through a Best Buy today and saw that that had rearranged the TV section and were expanding another closed off area to make it into a Magnolia store. All the plasmas/lcds were very nicely displayed as they were all hung up two high from one end of the area to the other, which was quite a distance. It looked really nice. Anyway, I walked along checking out the displays and not paying attention to the brands and some caught my eye but one in particular looked quite nice with its crisper and obviously higher resolution, and then it clicked that this was my 42HDS69. I was surprised at how well it looked tonight, especially its blacks, and I attribute that to the fact that the displays are now better protected from glaring lights from the previous setup. The popular Panasonic was underneath it one space over and for a change had its remote out as each display has a mount for the remote to also be displayed. I fiddled with the settings and though the blacks were a bit darker I was amazed at how well my/our plasma stood up to it and how in a number of important aspects it look very obviously better. I started feeling guilty at my recent disappointment in regards to the flicker issue and even the blacks not being as deep as the Panasonic because the Hitachi looked fantastic.

Come on Hitachi fix this issue and also lose the auto contrast adjustment, or make it optional, and make what is an excellent plasma significantly better.

Anyone also notice how extremely well built the Hitachi is compared to all the other brands. I'm amazed at that difference, especially compared to the Panasonics. What's up with that?

post #283 of 2570
Thread Starter 
Quote:
Originally Posted by delphi96 View Post

With contrast all the way down it is still there and with the same flickering pace.

Brightness and contrast adjustments (other than 100%) only slightly mask it as what one would expect since that affects overall image clarity.

Only 100% contrast eliminates the flicker.

Guys, I was actually watching my set last night...you know, them DVD things...not tinkering, as I've likely made the decision to switch sets. But as I was sitting there, annoyed by my flicker as always, I decided that maybe, in the short run, I'll try that 100% Contrast thing. After all, who cares if I burn out the panels, the set is going back soon anyway. And you know what, on my set, it STILL didn't resolve the issue.

CD
post #284 of 2570
Thread Starter 
Quote:
Originally Posted by delphi96 View Post

I walked through a Best Buy today and saw that that had rearranged the TV section and were expanding another closed off area to make it into a Magnolia store. All the plasmas/lcds were very nicely displayed as they were all hung up two high from one end of the area to the other, which was quite a distance. It looked really nice. Anyway, I walked along checking out the displays and not paying attention to the brands and some caught my eye but one in particular looked quite nice with its crisper and obviously higher resolution, and then it clicked that this was my 42HDS69. I was surprised at how well it looked tonight, especially its blacks, and I attribute that to the fact that the displays are now better protected from glaring lights from the previous setup. The popular Panasonic was underneath it one space over and for a change had its remote out as each display has a mount for the remote to also be displayed. I fiddled with the settings and though the blacks were a bit darker I was amazed at how well my/our plasma stood up to it and how in a number of important aspects it look very obviously better. I started feeling guilty at my recent disappointment in regards to the flicker issue and even the blacks not being as deep as the Panasonic because the Hitachi looked fantastic.

Come on Hitachi fix this issue and also lose the auto contrast adjustment, or make it optional, and make what is an excellent plasma significantly better.

Anyone also notice how extremely well built the Hitachi is compared to all the other brands. I'm amazed at that difference, especially compared to the Panasonics. What's up with that?


Well, I've said it before Delphi, but I think what makes the set jump out like that is the resolution. Now trust me, that's no small thing; resolution is significant IMO and I love the fact that this set is 1080i. It makes it look GREAT with STB that output at 1080i and I'm really curious how DVDs look upconverted to it (I might have to try it, even though I'm 99% ready to return this set).

However, the color decoder has proven in tests to be pretty inaccurate. Now, I agree, you trust your eyes and not specs, but I will say that, unfortunately, this set does have a pretty small "sweet spot". For example, I think we all agree that Color Temps other than STD are horrendous. And you have to be careful comparing Black Levels. I think you said you couldn't really get at the controls of the 42HDS69, so you don't know if the store had any Black Enhancement on. If so, yes, the blacks may have looked as dark as the Panny, but the real issue is not how dark it will go, but how dark it will go and still retain Black detail.

I agree with you that it is really a well-made and overall good-looking set, minus its one big flaw. That's why I don't have a hard time believing that the "flicker" issue is some sort of trade-off; otherwise, we'd have the best 42" set on the market...or at the very least, the best bang for the buck.

CD
post #285 of 2570
Sorry fellas, I have been on the road the past 2 weeks and didn't get much internet time. I received another email from the engineer that wasn't exactly what I wanted to hear:

Quote:


Thank you Jason,

As you can see by the attached file...I have placed all of them in order...and I have some missing data.

But, as I mentioned to you earlier, PLEASE go ahead and upgrade ALL of them that do not have the latest software in them...I marked them in BLUE.

I also marked the ones you say ARE already to the latest available as of now...I marked them in RED.

Please, feel free to add any data to each one and make corrections as necessary, please. As you start upgrading them, ask customers to let you know
if the upgrade helped any. Please DO NOT tell them that you already know of some of them already on the latest Software Version that are STILL having
this same issue. REASON being is that we have had customers CONFIRMING they did upgrade and they stated that the flickering went away.

That was a customer with a 42HDX99 on original version 0109.0001 which was the first case we received. We sent them version 0110.0001 and he was
very pleased with the results....so, we really never know until we try it.Additionally, we also have the same report on the HDS69 models, the latest version,
Version 0115.0001 is supposed to correct these flickering issues.

Bottom line: If we do the upgrade and they are please or notice an improvement, it is better that what they have right now.

So, please try them and ask customers for their confirmation and or feedback. We can add/check/confirm their comments from thsi master list.

Best regards,

But the more I read it and fall back on my engineering skills it is understandable. They have to eliminate it being that you don't have the latest software. They are getting conflicting reports, some are saying that the latests version did the trick and others are saying the opposite. It is very hard to troubleshoot a problem when you are getting conflicting data. So if you haven't done the upgrade yet, please do and report to me if it made things better or even got rid of the problem.

I have the latests software, and I have seen the flicker twice, just twice, but others have said they see it all the time. This is very confusing from a troubleshooting stand point. Accurate info is key, CD's post was a perfect example of quality info. He listed the problem, the source, the chapter, etc. The more accurate info I can give the engineer the better he chance will have on solving the problem.

I plan on calling him on Monday to follow up and see if anything new has came up. As always I will keep you all posted.....

Jason
post #286 of 2570
I can't attach the excel spreadsheet but this is the info he is looking for:

DOP
Model
Serial
Curr SoftWare
Source
Settings
Connection
Program/DVD
Section or comments

So those of you who have sent me the info, please, if you didn't send me all of this data, please do. An for those of you who haven't sent me any info, please send it. The more data he has, the better chance Hitachi has in fixing the problem.

You CAN read model and serial number from an additional sticker on the side of the TV set. This in cases the TVs are wall mounted.

To get current software version: Menu ~ Set Up ~ Software Reset. Then just get the "V" number from the OSD.
post #287 of 2570


Well as I've sent you my info the first time, I'm on the latest version and it is still occuring.

I'm not going to expect much for the engineer I guess.
post #288 of 2570
Quote:
Originally Posted by metalsaber View Post



Well as I've sent you my info the first time, I'm on the latest version and it is still occuring.

I'm not going to expect much for the engineer I guess.

I know, this doesn't sound any different. But I have talked to this guy on the phone and he sounds like he actually cares that these sets are having problems. My response to him was that some of us have the latest FW and are still having the problem. As I said I will call him on Monday and touch base, I will report back here as soon as I talk to him.
post #289 of 2570
Quote:
Originally Posted by Jason Monette View Post

I know, this doesn't sound any different. But I have talked to this guy on the phone and he sounds like he actually cares that these sets are having problems. My response to him was that some of us have the latest FW and are still having the problem. As I said I will call him on Monday and touch base, I will report back here as soon as I talk to him.

It almost sounds like someone should actually send their TV to him specifically so that he has a model that actually does what we say it does. I'm not sure if he is seeing it or not? This way by sending him a TV that does have the issue, he would have something to test against. Plus maybe there is something else wrong with the unit that is causing this issue. Again, it sounds like we'd be better off if he had a unit in hand that was causing the issue.

It's not like I want to part with my TV, but if it ended up solving our issue, I'd rather do that then have them fart around for a year trying to figure it out.
post #290 of 2570
Quote:
Originally Posted by metalsaber View Post

It almost sounds like someone should actually send their TV to him specifically so that he has a model that actually does what we say it does. I'm not sure if he is seeing it or not? This way by sending him a TV that does have the issue, he would have something to test against. Plus maybe there is something else wrong with the unit that is causing this issue. Again, it sounds like we'd be better off if he had a unit in hand that was causing the issue.

It's not like I want to part with my TV, but if it ended up solving our issue, I'd rather do that then have them fart around for a year trying to figure it out.

Not a bad idea...Is there anyone in San Deigo that has this TV reading this thread?
post #291 of 2570
Thread Starter 
Quote:
Originally Posted by Jason Monette View Post

Sorry fellas, I have been on the road the past 2 weeks and didn't get much internet time. I received another email from the engineer that wasn't exactly what I wanted to hear

Jason, I guess you have caught up on the thread and read my latest e-mails. I really am not trying to kill everyone's hopes, and I have nothing but the highest regard for all the work you are putting in to help resolve this issue (I myself have worked hard on it as well, albeit in a different way), but I have to say my gut tells me this "Engineer" is just giving us lip service.

First of all, in all due respect, how sure can we be he's an "Engineer" and how, even though you're a calibrator, did you get through to him? I mean Hitachi wouldn't even let me speak to their Service Technician Support (they practically yelled at me for even having the number) and I always know more than ANYBODY I talk to at Hitachi, because I live with the problem 24/7 and have spent hours fettering it out.

I mean, what you say about having to start with the dumb stuff, like making sure everyone has the latest firmware, I understand; believe me, I'm in IT and that's always where we start too. But at the same time, being in IT, I know that's usually a CYA too...and we pray to god that it fixes an issue if we have no other reason to explain why it's not working in the first place.

I'm more confused than ever because I just don't understand you guys who say "I see it on this" or "I've seen it twice"; either I have the worst luck in the world and have gotten the two worst 42HDS69s Hitachi ever built, or I have just gotten to be such an expert at spotting this thing that I could have ANY ONE of you over, bring ANY dvd you like, and I will show you this thing adjust it's Contrast up and down at will.

That's why I'm bailing. I just can't see this whole source, title, chapter, input, etc. I mean, I see it in EVERYTHING. I did that very detailed test for my own piece of mind, to make sure there was no acceptable combination of settings to eliminate the adjustment; and I shared with the thread to whatever benefit it might have been to them. But I see this "issue" on every dvd, every scene were there is low light, I've tried all inputs, 2 different DVD players, etc.

Whoever suggested it is right: there is no way this "Engineer" can offer a fix until he really knows what we're talking about. And short of him coming to someone's house, that's just not going to happen. He's going to take all this info, compile it, suggest EVERYONE get updated firmware, and for those of us who really know what we're looking for, it won't change one damn thing. By that time, anyone who had a chance to exchange their set, will be out of time and SOL.

Again Jason, this is not to minimize your efforts, but I think any owner with this issue (and god bless the few of you who say you don't have it) has got to make a decision right now: can you LIVE with this, because the good features of these sets make it worth the trade-off, or do you need to bail?

CD
post #292 of 2570
Sorry to rain on anyone's parade, but once I hit 200 hours and upgraded to the latest firmware/software (Hitachi sent me the SD card), the flicker simply disappeared. I saw it fairly constantly at first, but now, it's just not happening. Not on my Directv HD DVR, not on my SD Directv Tivo, and not on either of my DVD players (Sony upconverting and Panny recorder). Watched Munich today, and it's a dark film. Nary a flicker. Guess I just got lucky. And I love this set. The colors on sports are spot on, and the connection options and adjustment options great. So good luck if you are still having flicker problems after upgrading, because it might just be a lemon issue. No other explanation, since if they all had the same issue, everyone would see it, and it wouldn't go away after a software update. Also, Sound & Vision posted a review of the 42HDS69 today. The reviewer mentions the flicker issue, briefly, but doesn't find it a major problem.
post #293 of 2570
Quote:
Originally Posted by CDLehner View Post

Jason, I guess you have caught up on the thread and read my latest e-mails. I really am not trying to kill everyone's hopes, and I have nothing but the highest regard for all the work you are putting in to help resolve this issue (I myself have worked hard on it as well, albeit in a different way), but I have to say my gut tells me this "Engineer" is just giving us lip service.

First of all, in all due respect, how sure can we be he's an "Engineer" and how, even though you're a calibrator, did you get through to him? I mean Hitachi wouldn't even let me speak to their Service Technician Support (they practically yelled at me for even having the number) and I always know more than ANYBODY I talk to at Hitachi, because I live with the problem 24/7 and have spent hours fettering it out.

I mean, what you say about having to start with the dumb stuff, like making sure everyone has the latest firmware, I understand; believe me, I'm in IT and that's always where we start too. But at the same time, being in IT, I know that's usually a CYA too...and we pray to god that it fixes an issue if we have no other reason to explain why it's not working in the first place.

I'm more confused than ever because I just don't understand you guys who say "I see it on this" or "I've seen it twice"; either I have the worst luck in the world and have gotten the two worst 42HDS69s Hitachi ever built, or I have just gotten to be such an expert at spotting this thing that I could have ANY ONE of you over, bring ANY dvd you like, and I will show you this thing adjust it's Contrast up and down at will.

That's why I'm bailing. I just can't see this whole source, title, chapter, input, etc. I mean, I see it in EVERYTHING. I did that very detailed test for my own piece of mind, to make sure there was no acceptable combination of settings to eliminate the adjustment; and I shared with the thread to whatever benefit it might have been to them. But I see this "issue" on every dvd, every scene were there is low light, I've tried all inputs, 2 different DVD players, etc.

Whoever suggested it is right: there is no way this "Engineer" can offer a fix until he really knows what we're talking about. And short of him coming to someone's house, that's just not going to happen. He's going to take all this info, compile it, suggest EVERYONE get updated firmware, and for those of us who really know what we're looking for, it won't change one damn thing. By that time, anyone who had a chance to exchange their set, will be out of time and SOL.

Again Jason, this is not to minimize your efforts, but I think any owner with this issue (and god bless the few of you who say you don't have it) has got to make a decision right now: can you LIVE with this, because the good features of these sets make it worth the trade-off, or do you need to bail?

CD

Ok let me answer some of your questions first.

Quote:


how sure can we be he's an "Engineer"

We can't, I am going on what I have been told and his nowledge about this set leads me to believe he is on the up and up.

Quote:


how, even though you're a calibrator, did you get through to him?

I am a registered Hitachi Service Tech on their service website. Which is how I have access to all the service manuals and the firmware updates.

Now on to the problem. How can some people not see it, some (like me) see it a couple of times, and others (like CD) see it on everything. This I don't have the answer to. It makes no sense. And I can't explain it. I can only go off what I have seen with my set, my customers set and what you guys have explained with your sets. I have only seen it twice, maybe 3 times. I have watched football all day today, didn't see it once. Tomorrow I will watch movies (batman begins, seven, matrix) and see if I can spot in in there. This is the confusing part, why one person see it and one person doesn't.

When I got my set I did the following:

100 hours (give or take) white screen.
Full calibration

Didn't do anything that different from what a lot of people have done. I just don't know what to tell you guys. I understand everyone's frustration, and I have no vested interest in Hitachi, other than I personally own one of their products. I just tend to give people/companies the benifit of the doubt until they don't deserve it. In my conversations with the "engineer" he seem genuinally conserned that these sets are having this kind of problem. The 1080i sets were suppose to launch Hitachi into the Plasma Mainstream and get a good foot hold. I just can't believe that they knew about this flaw and sent the sets into production, and if they did, that they are not working on a fix. If I am wrong about this, if Hitachi doesn't care that this set is having this kind of problem and a bunch of customers are unhappy and considering returning their sets, then they will never get to where Pioneer and Panasonic are when it comes to Plasma TVs. Which is too bad beacause the good points of this set, which there are a ton, get over shadowed by this one flaw.

I am not trying to sway anyone one way or the other. Each person has to decide if they want to wait it out, or bail. What I will tell you, is that I will not bail and I will continue to hound Hitachi until I get what I and every owner wants, a TV that works like it should. So if any of you are worried that I might bail and lose interest, not to worry. I will stick this out until either we get it resolved, or Hitatchi tells us it is a design flaw, and buys our sets back.

Stay tuned.....


I am going to speak with the "engineer" on monday and see what he has to tell me. As always I will keep you posted.
post #294 of 2570
Well Thats about the only thing we can hope for.
post #295 of 2570
Hey Guys...I have been watching this and the other Hitachi thread since they began. Have not posted, just been reading and learning....but with all this talk of firmware upgrades fixing the problem...I thought I would chime in with my experience thus far with the TV.

I bought my 55HDS69 about 45 days ago. It was mfg in Aug of 06 and came with the latest firmware 0115.0001 on the set. I can assure you that the "latest" firmware is no fix for the flicker. I have had the flicker since day one and still have it. That being said, I do think TSTARN's post above may be on to something. It seems the more hours on the set, the less the flicker problem...or I should say the less "intense" of a flicker occurs. While my set still flickers...it does not seem as bad as it did when I first got it. Maybe this is indeed just something that will go away in time and hours logged? Anyone out there with a good 400- 500+ hours yet on one of these sets that can weigh in? Just a thought.

Thank you all for the great info...keep it coming.

All best,

Mike
post #296 of 2570
Jason,

Let me state that I commend your efforts in trying to effect resolution to a seemingly difficult problem. I purchased the 42hds69 less than a month ago, 9/6, @ BestBuy after researching for quite sometime. I admit to having always had a bias towards Hitachi products but when I saw this product on display with my wife, I was blown away. The detail was incredible ( on par with the Pioneer right next to it IMHO ) and without the over exagerrated detail of the Panny which I really was intent on buying.
I have had no flicker issue to date and just updated to the new software yesterday. In fact, after the software update, I feel that the color is much more balanced than before.
I believe that people are seeing a problem but I just don't know if maybe I am missing it. I am a very critical electronics buyer. I tend to look for and exploit problems after laying out significant ducats and feel that I have been lucky thus far with this unit.
Having worked in manufacturing environments, and reading all the posts to date, this sounds like it may be more than a software upgrade which is scary. If not how could there be individuals without this issue? By virtue of being a forum member or observer, anyone on this site is likely far more critical than the average user.
Just my 2 cents.

Peace
post #297 of 2570
Thread Starter 
Well, I just watched War of the Worlds on HBOHD. I was anxious to see it, because the STB isn't usually hooked up to the 42HDS69; we keep it in the bedroom, as I was planning on a CableCard for the plasma. I have drug it downstairs once or twice, for football and such, and it's usually been harder to see "flicker" with the STB. So here I had a movie, on HD, that I could watch on the STB and...a whole lotta flicker going on.

Jason, you've heard me describe on many occasions how my set adjusts it's own Contrast; the black screen with white pause test (or, you can do it with a black screen and change your Day/Night settings, as that puts light into a black screen for a few seconds and then disappears too). Can you, or anyone else, honestly say your set doesn't shift its own Contrast down when it senses light leaving a dark scene? I mean, it happens so naturally with both my sets, it just HAS to be on purpose; it is MEASURED steps down in darkness, as bright light leaves a dark (or solidly black) screen.

And as far as the "flicker" goes, like if you have an image paused and you see it "pulsing" lighter and darker, to me, that is the set stuck in a particular scene where it is confused about whether to step up one level of Contrast or Brightness or step down one level...because, as I have written, the PMHD III processor is trying to anticipate and optimize each frame for the best possible setting. Sometimes you pause a movie and it doesn't pulse-flicker; that's because you paused at a scene where the PMHD III wasn't stuck between deciding up or down, so it holds its settings steady.

But I must be the crazy one. TS fixed his with an upgrade (even though NO ONE else has been able to) and my set was made in AUGUST and already has V0115.0001; and Jason doesn't see it much. Maybe I should be asking this: how are you guys LOOKING? I mean, are you just turning on the game, or dark scenes, and watching? Sometimes action happens to fast (unless you know exactly what you're looking for...I can pick it out every time); is anyone actually pausing, trying my step-down test, anything?

Yeah, this has got to stop. I don't know what to do anymore. Like I said, I must have gotten the 2 worst sets Hitachi pumped out; with 2 different production dates, with 2 different versions of firmware, from 2 different Circuit Cities, in 2 different states (!). My bad luck I guess.

Well, maybe I'll do this; maybe I'll go ahead and have a Tech come to my house (even though I've already had someone from Hitachi tell me the set is supposed to do this and that if its that noticeable to me, I should just go with a different model). I have to be able to show SOMEONE what this thing does. And maybe I'll ask him to post, just so you guys don't think I'm CRAZY.

I swear, my friend has a Panasonic Pro-HD video camera; if I had the time and inclination, I'd have him shoot a little demo reel and post it here in this thread. Before you get your hopes up, like I said: I don't have either the time, or especially the inclination. This set has already been more trouble than anyone should have to go through. I'm almost considering pulling the damn wall-mount down from over the fireplace and buying a 61" DLP set instead.

CD
post #298 of 2570
Thread Starter 
Quote:
Originally Posted by meyecul View Post

I bought my 55HDS69 about 45 days ago. It was mfg in Aug of 06 and came with the latest firmware 0115.0001 on the set. I can assure you that firmware is no fix for the flicker. I have had the flicker since day one and still have it. That being said, I do think TSTARN's post above may be on to something. It seems the more hours on the set, the less the flicker problem...or I should say the less "intense" of a flicker occurs. While my set still flickers...it does not seem as bad as it did when I first got it. Maybe this is indeed just something that will go away in time and hours logged? Anyone out there with a good 400- 500+ hours yet on one of these sets that can weigh in? Just a thought.

I think its a good thought Meyecul. Let me tell you of my own experience: when I got my first 42HDS69, I opened it up, and played a few things briefly, just to get a sense of my new toy. I think I played like Ice Age and Finding Nemo, you know, Pixar is great for showing off PQ. I've also since found, it's very hard to detect flicker with those titles. So I didn't notice anything (not that I knew what to look for at that point) and then I didn't do any critical viewing until the set had run a solid 100 hours with the break-in DVD.

Now, when I got my replacement set, I started watching right away. I knew I wasn't keeping it, if the same issue cropped up again, so I wasn't that worried about burn-in or anything. Now of course it was doing the flicker/adjustment thing, but another thing I noticed is that it looked AWFUL, in a way I never noticed before. Based on that, it is my contention that this set needs a good break-in period to perform its best.

Now, while that might just sound like the Plasma mantra, I think some sets are probably better "out of the box" than others and this one, at least this second sample, did not do well.

If this issue does go away, or decrease over time, then I don't understand Hitachi not being aware of it, not addressing it in a manual or service announcement...nothing. As you guys can probably tell, I'm really reeling from it. This was a tough enough decision to make in the first place and now its even tougher to know if you're settling or if help is on the way. I just wanna watch TV!!

CD
post #299 of 2570
Well I have 200+ hours on my set and still see it. The set at CC where I got mine had 300+ hours on it and I didn't notice any flicker from it. Maybe its a break in issue or maybe we just got unluckly?

Heck 3 to 5% defect rate is not uncommon with electronices. Guess what someone has to be in that 3 to 5%. Just suck it might have been us.
post #300 of 2570
I find it REALLY hard to believe that the flicker gets better. IMHO, it has to be that people just get used to it.

I could be wrong, but I have a hard time believing that this problem would just gradually go away???

Shane D
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Plasma Flat Panel Displays
AVS › AVS Forum › Display Devices › Plasma Flat Panel Displays › Hitachi FLICKER Issue...Good/Bad News