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WanMan
Joined: 19 Mar 2006 Posts: 10270
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| Posted: Sun Jan 03, 2010 11:05 am Post subject: Most complex component in a CRT projector? |
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And by complex, I mean the most complex in terms of manufacturing, or re-manufacturing. By today's manufacturing abilities, we already know how much it cost to re-manufacture tubes, but what about everything else? There are plenty of companies that will make custom PC boards, but what about the things like the various other components like the power supply, etc.?
For instance, let's take all the sub-system components and think about re-manufacturing them anew. By this I mean reverse engineering and make better and then make new replacements under a semi-mass production (say, 10,000 units). I wonder what the various components would cost when taking into account the Asian connection (Taiwanese design, Chinese manufacturing, etc.).
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Nashou66
Joined: 12 Jan 2007 Posts: 16171 Location: West Seneca NY
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| Posted: Sun Jan 03, 2010 2:02 pm Post subject: |
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I think its the software to make everything work correctly and safely . If your talking about a new PJ that would be the most costly part id think. And then the design layout for the PCB's.
What would be cool is to take the best aspects of each PJ that has been made use those parts in a custom chassis and then have someone with new software to control it all.
So G90 optics and LC housings barco cine9's digital controls, marquees streamlined video, Some of Ampros geometry controls , nec's excellent colors etc.
Athanasios
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WanMan
Joined: 19 Mar 2006 Posts: 10270
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| Posted: Sun Jan 03, 2010 2:17 pm Post subject: |
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I cannot imagine software would be costly. I would think off the shelf basic logic controls would do the trick. A CRT projector isn't much more than three multisync monitors when talking about controls, no?
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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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stefuel
Joined: 07 Mar 2006 Posts: 3353 Location: Green Harbor MA USA
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| Posted: Sun Jan 03, 2010 4:23 pm Post subject: |
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And who would buy these at a price point that would make it worthwile to engeneer, manufacture, sell and service.
Not me. Remember how much a NIB 7" Dwin cost when they were new. You want something better than that and no one will pay for it. Be content with your used projectors while they last.
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Card carrying member of the AVS chain gang.
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cmjohnson
Joined: 03 Apr 2006 Posts: 5180 Location: Buried under G90s
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| Posted: Sun Jan 03, 2010 4:40 pm Post subject: |
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A fully digital projector chassis requires complex software and some good engineering in the control systems. A digital chassis is a FAR cry from the very simple concept of three monochrome monitors equipped with projection tubes and optics.
The Marquee chassis has to be the most produced CRT front projector in history by now. It's a platform that dates from...what...1992 for the first 8000s or something? They're probably the most economical projector to make, due to their long manufacturing history and
product improvement program. But what does a baseline straight 8500 costs new? Or a 9500? I'm pretty sure that you're probably
looking at 20 grand or more for 8500s if you buy a good run of them at a negotiated contract price. Scott could probably look up
the MSRP of the 8500 and 9500 pretty easily. But I think the MSRP price, what you'd pay if you wanted to buy just ONE, is a lot more
than that. I've heard that the single unit price of a 9501LC is something like 45,000 dollars. I don't know if that's actually true.
CJ
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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: Sun Jan 03, 2010 4:51 pm Post subject: |
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Most complex component surrounding a CRT projector:
The operator.
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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: Sun Jan 03, 2010 5:24 pm Post subject: |
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| Curt Palme wrote: | Most complex component surrounding a CRT projector:
The operator.  |
I resemble that remark.
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AnalogRocks Forum Moderator
Joined: 08 Mar 2006 Posts: 26706 Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Jan 03, 2010 6:52 pm Post subject: |
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| dturco wrote: | | Curt Palme wrote: | Most complex component surrounding a CRT projector:
The operator.  |
I resemble that remark. |
Dave, your the OEM
-Operator Error Man
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RVonse
Joined: 09 Mar 2006 Posts: 3152
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| Posted: Sun Jan 03, 2010 10:28 pm Post subject: |
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| kal wrote: | The giant lenses are pretty expensive (even for the cheapest CRT projector). IIRC they're something like 0.8/f. Lots of light going through there.
Kal | I've often thought the same thing. It would take a massive amount of time and material for someone without an assemby line to reproduce the glass work that goes into building a crt lense. And yet those same lenses off most of our 7and 8 inch projectors are practically worthless if you put them up on ebay.
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