RS20 Pink Band - AVS Forum
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post #1 of 24 Old 07-09-2011, 07:24 PM - Thread Starter
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Well at exactly 1200 hours my RS20 developed a pink band on the left edge of the screen. Is this an optical block problem.

How many of you have had the same experience?

Ron
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post #2 of 24 Old 03-04-2012, 06:43 AM - Thread Starter
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Well over the past few months is has become obvious the pink band issue has effected many of the JVC projectors--RS1,RS10,RS20....

Bad optical block at a cost of over $2000 for repair if out of warranty!


Has anyone succeeded in getting JVC to acknowledge the manufacturing problem? Recall????


Arkay
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post #3 of 24 Old 03-05-2012, 07:08 AM
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How long ago did you buy the unit?

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post #4 of 24 Old 03-06-2012, 04:28 AM - Thread Starter
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I bought it new about 2.5 years ago. As I said it has 1200 hrs on it.

Seems funny to me that an expensive projector is only expected to last until the warranty expires--kind of like the "made in Japan" of the 70's.

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post #5 of 24 Old 03-06-2012, 04:38 PM
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Quote:
Originally Posted by arkay View Post

Well over the past few months is has become obvious the pink band issue has effected many of the JVC projectors--RS1,RS10,RS20....

Bad optical block at a cost of over $2000 for repair if out of warranty!


Has anyone succeeded in getting JVC to acknowledge the manufacturing problem? Recall????


Arkay

I thought this problem popped up within the first couple hundred hours. You are talking about the brownish pink horizontal bands or shading? I don't think they usually surface later.
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post #6 of 24 Old 03-06-2012, 09:53 PM
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Photos?

One is banding
Another one is discolouration (this is to do with screen uniformity).

Founder | BullsEye Calibration | www.bullseyecal.co.nz
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post #7 of 24 Old 03-07-2012, 09:30 AM - Thread Starter
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Picture attached
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post #8 of 24 Old 03-07-2012, 11:21 AM
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yeah, that seems like a fairly common problem (after time) with this pj. My RS20 has 700 hours on it and just HOPE I can get a couple more years out of it. This problem could very well be caused by too much internal heat, which then cooks the prism block. Don't ask how much they cost to replace!!!

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post #9 of 24 Old 03-07-2012, 11:38 AM
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BTW, your 20 is still good...just zoom out until the pink goes into the black velvet border of the screen.

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post #10 of 24 Old 03-07-2012, 12:12 PM
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I purchased a JVC HD350 in September 2009, and the optical block had to be replaced after 800 hours in November 2010 because of this problem. I haven't had any trouble since then, knock on wood.

https://picasaweb.google.com/1051132...54938764725810
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post #11 of 24 Old 03-07-2012, 05:02 PM
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I don't ever recall that pink stripe on RS1`s. The uniformity issue I know about on RS1`s.

Close to 3000 hours on my RS1 and still clean but I do use high altitude mode with low lamp. The air exhaust is a lot cooler. Later with older bulbs I use high lamp but high altitude not required. Air still cool enough.
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post #12 of 24 Old 07-18-2012, 02:37 AM
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I also have the pink band. It started after my projector was out of warranty.

You can use the masking setting to make it invisible and/or zoom out to hide it in frame, but it is annoying to find out a fix would be more than the projector is worth and that it has happened to many.

What it really affects is resale value if you wish to trade up. Even though you can't see it on screen, I would have to tell any prospective buyer and it surely drops quite a bit off the price.

Previously I was able to upgrade my RS1 to an RS2 to the RS20 (all used) without taking too much of a hit.

Fortunately I have no interest in 3D so the difference between the RS20 and the newer models is probably less than it was in years past.
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post #13 of 24 Old 07-20-2012, 12:26 PM
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It's weird how different projectors have specific reoccurring issues. My epson 6500ub has a pink band across the bottom. This issue has popped up on what seems like many epsons. The JVC has the problem on the left/right edges. VERY frustrating to say the least.
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post #14 of 24 Old 07-21-2012, 02:43 AM
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Quote:
Originally Posted by cbaseuser View Post

It's weird how different projectors have specific reoccurring issues. My epson 6500ub has a pink band across the bottom. This issue has popped up on what seems like many epsons. The JVC has the problem on the left/right edges. VERY frustrating to say the least.

Mine has this (rs-20) , i have masked it too. It becomes less after 30min but still visible. It does make me wonder if i should have moved from something more direct as DLP/DMD the aging seems to much more stable on that tech.

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post #15 of 24 Old 07-22-2012, 09:08 AM
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My HD750 (RS20) developed the pink fringe down the left side in about February of this year. About 1400 hours on unit and out of warranty. To expensive to fix. 2.5 mask and zoom seems to be ok for now.

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post #16 of 24 Old 07-23-2012, 12:34 PM
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Funny, I came in this forum to look for replacement ideas for my RS1 I bought about 5 years ago. Mine has the pinkish band down the right edge... sometimes it seems to go away, sometimes its a greenish colored band. I have it set so the band is mostly off the screen... it doesn't bother me all that much under normal circumstances, but if the screen goes white its very obvious. I was very, very mad when I first noticed it. It really doesn't bother me as much as I thought it might, but my bulb has 1200 hours on it and when its time to replace it I'm not sure if it won't make more sense to just upgrade the projector.
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post #17 of 24 Old 07-24-2012, 07:28 AM
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KBMAN- Yes that is a perfect representation of what mine looks like. I will mask it out, (pink) as all have suggested. I only have 700 hrs on the bulb will, but have not read the warranty info either. Will check on it today. Like everyone has stated at first It kind of pissed me off but over the yrs I have become immune to my electronics going on the fritz. The thing is, this PJ really has a fantastic picture, again last night my wife commented that she can not believe how clear it is, she says it reminders her of watching movies in (Soap Opera) mode, I know its due to the settings I have set up but Im not going to tell her that. Anyway, thanks everyone for the responses and advice solutions to, as I call it now (PInk Panther) of my PJ. One good thing has come of all this though!!! The HUNT begins again for another PJ to replace the HC9000 next year. My wife will go nuts with me showing her all the new PJ's that have hit the market this fall!!! Let the research begin. Regards Tony
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post #18 of 24 Old 09-07-2012, 03:08 AM
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post #19 of 24 Old 09-07-2012, 04:01 AM
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Wonder what causes this? Overheating?
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post #20 of 24 Old 09-07-2012, 04:32 AM
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In my case it should not, because I have put an air conditioner that leads directly to the appliance and never will be above 25 ° C
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post #21 of 24 Old 09-08-2012, 04:00 AM
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Good to know. So your A/C vent some how blows directly to the front of your RS20? What fan speed do you run your RS20 at? I always run mine at the lowest (quietest)
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post #22 of 24 Old 09-09-2012, 05:23 PM
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Hi there people.. if you are from sydney australia and u have a fault with your jvc projector and any other brands you are welcome to send it to us. yes we can fix the Pink Banding !
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post #23 of 24 Old 09-10-2012, 01:05 AM
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I'm in Brisbane - can you tell me approx. how much it costs to fix this issue?
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post #24 of 24 Old 09-10-2012, 04:31 AM
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Quote:
Originally Posted by John Ballentine View Post

Good to know. So your A/C vent some how blows directly to the front of your RS20? What fan speed do you run your RS20 at? I always run mine at the lowest (quietest)

Yeah, me too I have it so, in the lowest mode (in my case it's because I appreciate a higher decibel noise if the fan speed is higher and that bothers me).
Here in Palma de Mallorca, the summers are very hot, so I was careful to put the air conditioning and avoid the possibility of overheating. In addition, the projector I have it connected to a battery to avoid possible electric current oscillations. The problem is generated by the apparatus.
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