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wallace123456
Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area
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| Posted: Tue Mar 27, 2012 11:58 pm Post subject: |
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Ok, a little late to the "program" as usual for me, but, Jeff, YOU SUCK!!!!!! 
Great score! Take Cliff's advice. I am pretty sure he has lugged G90's up and down his stairs countless times. And he has some tricky stairways.
As for the Dallas chip, listen to Curt: Get a new one installed!! Craig has got 'em. When he was here for my set-up, he installed a new chip, and when done with the entire set-up, copied the settings onto the old chip as a "just in case" scenario.
I am sure you know Craig is one of the best Sony G90 professionals out there.
I'll bet he has all the parts you need to get to the highest level. Not sure if your new unit has the correct green c-element, but again, Craig should be able to help.
As for the projector going beyond the normal boundaries, Craig is the 3D master! As well, he also has some very good fan mods to help with cooling and noise reduction.
Again, CONGRATS!!
wallace
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jeffslife
Joined: 17 Apr 2010
Posts: 4190
Location: ohio usa
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| Posted: Wed Mar 28, 2012 12:22 am Post subject: |
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Not sure if your new unit has the correct green c-element
Why ?
I dont understand, why wouldnt it ?
Wallace you're scaring me !
please explain !
Steve, I have no other pics to post as the G90 is STILL in my living room.
P.S. Waiting to hear from craig
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wallace123456
Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area
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| Posted: Wed Mar 28, 2012 12:37 am Post subject: |
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| jeffslife wrote: | Not sure if your new unit has the correct green c-element
Why ?
I dont understand, why wouldnt it ?
Wallace you're scaring me !
please explain !
Steve, I have no other pics to post as the G90 is STILL in my living room.
P.S. Waiting to hear from craig |
At this point, if the projector works, you are in great shape! I would think the YA board alone could get a large sum of money!!
The green c-element will help get the primary colors in-line. I am not sure, but, I think all g90s were shipped with a clear green c-element. The color corrected c-element helps. Hopefully, I am not speaking too much out-of-my-ass on this. Curt, Craig, Nash, Cliff, Ken and others can explain better than me. 
Drag that bad-boy down stairs; by hook-or-crook! I was like a kid with a new pocketknife when I got mine home! 10 years of Christmas as a child all wrapped in 1!!!
As a matter of fact, my wife and I are still like 2 young teenagers at this point; the G90 ROCKS!!! I know yours will too!!!
wallace
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Wed Mar 28, 2012 12:52 am Post subject: |
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Relax Jeff, The G-90 has a color corrected C-Element. It is a lighter shade or Hue than that of the Marquee which is what is known as the "correct" one because it does the "correct REC 709 Green". Without the Marquee Green in the color saturation point is not the Absolute spot on "Green" use for HD. It is pretty close though.
Don't worry, set up the G-90 before worrying about the C-Element.
If and when you put in a new green tube swap the C-Element then...otherwise enjoy what a top of the line machine can do, true, fully resolved 1080p 
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wallace123456
Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area
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| Posted: Wed Mar 28, 2012 1:02 am Post subject: |
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| dturco wrote: | Relax Jeff, The G-90 has a color corrected C-Element. It is a lighter shade or Hue than that of the Marquee which is what is known as the "correct" one because it does the "correct REC 709 Green". Without the Marquee Green in the color saturation point is not the Absolute spot on "Green" use for HD. It is pretty close though.
Don't worry, set up the G-90 before worrying about the C-Element.
If and when you put in a new green tube swap the C-Element then...otherwise enjoy what a top of the line machine can do, true, fully resolved 1080p |
What dturco said.
I knew I should not have even opened my mouth on this.........
I do know that the before and after difference with the green c-element swap out is very easy to see.
I’ll try to keep my mouth shut…………………….
wallace
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Wed Mar 28, 2012 1:21 am Post subject: |
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| Quote: | | I knew I should not have even opened my mouth on this......... Embarassed Embarassed Embarassed |
Why Wallace? You new it was something, just not the minutiae. It was good information to learn.
Don't sweat it, The only reason I know that is because I was seriously thinking about getting a G-90 myself 
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jeffslife
Joined: 17 Apr 2010
Posts: 4190
Location: ohio usa
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| Posted: Wed Mar 28, 2012 1:39 am Post subject: |
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Thanks Wallace, I want to address any issues before I hang it. I want to get a different green tube.
I am in the market if anyone has a deal for me, I could use one right now.
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wallace123456
Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area
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| Posted: Wed Mar 28, 2012 2:09 am Post subject: |
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| dturco wrote: | | Quote: | | I knew I should not have even opened my mouth on this......... Embarassed Embarassed Embarassed |
Why Wallace? You new it was something, just not the minutiae. It was good information to learn.
Don't sweat it, The only reason I know that is because I was seriously thinking about getting a G-90 myself |
As with most things, I know enough to be really dangerous!  (I can talk BBQ and feel more comfortable.) Some things are easy for me to understand and visually recognize. But I cannot explain in the terms as the professionals can.
As for Jeff's score, I would take the same deal in a heartbeat! Heck, I purchased my g90 knowing the YA board was not a "problematic" type board. In my opinion, he got a great deal.
wallace
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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mc86
Joined: 20 Sep 2008
Posts: 767
Location: pittsburgh, pa
TV/Projector: ECP 4500 (Vidikron box), ECP4500+, wanting 07MS/07MTS, evaluating pc soft-blend
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| Posted: Wed Mar 28, 2012 4:14 am Post subject: |
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Ok, I just didn't want the thread to be worthless to Crabb...so in a possible forum first, here is one member posting pics of another member's new G90. Ok, so I only have the images of his IC421 and green tube's burn-in from the seller.
I saw the burn-in and thought for-sure it'd need a new green tube soon, if not right away. That said, could Jeff live with it for a while until he can find one at his quality/price threshhold? That is, can he just drive the green tube real hard (for ever-shortening lifetime) and still get a decent image? I get the sense that some folks can stand pretty toasty tubes and others can't...is respectable color calibration still physically possible once they get this burnt?
Of course, he still has the mama bear of the G5/7/90 family in the meantime.
Matt
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Wed Mar 28, 2012 5:28 am Post subject: |
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Thats a pretty bad burn. Whites will have a significant purple hue. My 650hr G90 had much less burn, prob 9/10 but it was clear to see with my critical eye. I decided to get a new tube from VDC and have them install the correct green C-element (believe it was an additional $100). Its good to be able to achieve a proper green calibration but its not essential. The picture will look good even with the Sony OEM part.
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jeffslife
Joined: 17 Apr 2010
Posts: 4190
Location: ohio usa
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| Posted: Wed Mar 28, 2012 5:44 am Post subject: |
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Hayden, would you mind telling me what that cost ? incuding the marque C element shipped.
Thanks.
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gjaky
Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary
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| Posted: Wed Mar 28, 2012 7:26 am Post subject: |
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| HaydnG90 wrote: | | Thats a pretty bad burn. Whites will have a significant purple hue. My 650hr G90 had much less burn, prob 9/10 but it was clear to see with my critical eye. I decided to get a new tube from VDC and have them install the correct green C-element (believe it was an additional $100). Its good to be able to achieve a proper green calibration but its not essential. The picture will look good even with the Sony OEM part. |
After 650hrs and burn in on a 9" tube??? Last year a friend of mine bought a raunchy marquee 9000, and I refurbished it, the counter said it had about 6000hrs in it, and during bellow replacement I could examine the bare tubes and it had NO wisible raster wear, all I could see is one shade difference in the color of the phosphor between green and the others but this was meant for the whole crt face.
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projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Wed Mar 28, 2012 12:39 pm Post subject: |
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Sony were notorious for setting the gain too high from the factory to boost output. The pic is plenty bright but if left at those settings will cause burn on the green very quickly. Since I wanted a pristine image decided to get a new green tube. The cost to have VDC install the new green into the LC housing, incl the darker C-element was about $1700, but that was about 6 years ago.
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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Wed Mar 28, 2012 1:03 pm Post subject: |
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Mine has supposedly around 3500 hours on it and the tubes have been replaced once. Even then the green tube probably needs to be replaced again.
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Wed Mar 28, 2012 2:18 pm Post subject: |
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Guys, I just got in an 9000 hour G90. Roasted tubes throughout. Literally a 2-3 on the tube scale. Sold it to a customer that already has NOS tubes, so he wanted to buy burned tube sets. To make sure everything was 100%, I ran it for 48 hours, expecting a complete crap picture. To my surprise the image was still watchable. Yes, there was 20% more brightness outside of the wear area, but cutting back on the red gains and drives and boosting the greens gave it a far more watchable pix than I ever expected.
My recommendation with anyone getting a new-to-them set: Run the set completely as is for at least 100 hours. Get to learn how the set works, how it sets up, and check for any anomalies with it. ONce you're certain that the chassis is fine, then change the tube(s). I've never been fond of spending a bunch of money on extras when you're not sure that the chassis works 100%. Same with buying a used car. Make sure the drivetrain and electrical is fine before dropping a new engine in it.
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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Wed Mar 28, 2012 2:50 pm Post subject: |
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| Curt Palme wrote: | Guys, I just got in an 9000 hour G90. Roasted tubes throughout. Literally a 2-3 on the tube scale. Sold it to a customer that already has NOS tubes, so he wanted to buy burned tube sets. To make sure everything was 100%, I ran it for 48 hours, expecting a complete crap picture. To my surprise the image was still watchable. Yes, there was 20% more brightness outside of the wear area, but cutting back on the red gains and drives and boosting the greens gave it a far more watchable pix than I ever expected.
My recommendation with anyone getting a new-to-them set: Run the set completely as is for at least 100 hours. Get to learn how the set works, how it sets up, and check for any anomalies with it. ONce you're certain that the chassis is fine, then change the tube(s). I've never been fond of spending a bunch of money on extras when you're not sure that the chassis works 100%. Same with buying a used car. Make sure the drivetrain and electrical is fine before dropping a new engine in it. |
Excellent advice Curt! Couldn't have said it better 
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jeffslife
Joined: 17 Apr 2010
Posts: 4190
Location: ohio usa
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| Posted: Wed Mar 28, 2012 3:47 pm Post subject: |
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Hayden, Wanna sell that "junk" 9 green tube you just couldnt live with ? Maybe I could "tolerate" it.
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Wed Mar 28, 2012 4:12 pm Post subject: |
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Think I sold it to recoup some of the cost of the new one. $300 if memory serves me right.
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Matrix
Joined: 06 Sep 2006
Posts: 123
Location: Indianapolis, IN
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| Posted: Wed Mar 28, 2012 4:52 pm Post subject: |
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| Curt Palme wrote: | Guys, I just got in an 9000 hour G90. Roasted tubes throughout. Literally a 2-3 on the tube scale. Sold it to a customer that already has NOS tubes, so he wanted to buy burned tube sets. To make sure everything was 100%, I ran it for 48 hours, expecting a complete crap picture. To my surprise the image was still watchable. Yes, there was 20% more brightness outside of the wear area, but cutting back on the red gains and drives and boosting the greens gave it a far more watchable pix than I ever expected.
My recommendation with anyone getting a new-to-them set: Run the set completely as is for at least 100 hours. Get to learn how the set works, how it sets up, and check for any anomalies with it. ONce you're certain that the chassis is fine, then change the tube(s). I've never been fond of spending a bunch of money on extras when you're not sure that the chassis works 100%. Same with buying a used car. Make sure the drivetrain and electrical is fine before dropping a new engine in it. |
After all these years listening to Curt, it appears he has finally had an epiphany that raps the entire CRT ownership/restoration thought process into one easily understandable equation. Kind of like the Einstein’stheory of relativity. WELL SAID CURT!
Or we can throw caution to the wind and change those tubes like you know we will. In that case this would bolster the statement in a quote from Steven Hawking. : "It is not clear that intelligence has any long-term survival value. “ 
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