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Identify this G70 red tube

 
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Axatax



Joined: 01 Nov 2006
Posts: 403


TV/Projector: Sony VPH-G70Q (aka Barco Cine8 Onyx)
Posted: Wed Dec 09, 2009 11:53 pm    Post subject: Identify this G70 red tube
What are the "flaps" for on the red tube shown at the bottom of this listing:

http://cgi.videogon.com/cgi-bin/cl.pl?projcrta&1264625190&class&3&4&
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Zebu Fellenz



Joined: 21 Dec 2006
Posts: 2567
Posted: Thu Dec 10, 2009 12:05 am    Post subject: Re: Identify this G70 red tube
Axatax wrote:
What are the "flaps" for on the red tube shown at the bottom of this listing:

http://cgi.videogon.com/cgi-bin/cl.pl?projcrta&1264625190&class&3&4&


I don't know what they're for, but I believe some of the XG-LC machines came stock with those "flaps"

I have heard that they kill some of the reflection inside the tube/lens assembly but this may not be the reason they were used.
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Curt Palme
CRT Tech


Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC

TV/Projector: All of them!
Posted: Thu Dec 10, 2009 12:52 am    Post subject:
I know, I know!

The guy burned his red C element, and I sold him one from an NEC XGLC.

(not sure if it came from me, but I did sell one last month...)
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Zebu Fellenz



Joined: 21 Dec 2006
Posts: 2567
Posted: Thu Dec 10, 2009 1:10 am    Post subject:
Curt Palme wrote:
I know, I know!

The guy burned his red C element, and I sold him one from an NEC XGLC.

(not sure if it came from me, but I did sell one last month...)


Curt,

So do the C-elements on an XG come with these "flap" attached? I always thought they were loose, on the outside?
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Curt Palme
CRT Tech


Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC

TV/Projector: All of them!
Posted: Thu Dec 10, 2009 1:30 am    Post subject:
THey are stickers on the outside of the C lens.
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wallace123456



Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area

Posted: Thu Dec 10, 2009 2:01 am    Post subject:
Curt Palme wrote:
THey are stickers on the outside of the C lens.


Are they used to help off-set "gull wing" effects?

wallace
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Spanky Ham



Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central

Posted: Thu Dec 10, 2009 2:07 am    Post subject:
Yes, it is just tape. I think it was supposed to help ANSI.
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cinema mad



Joined: 25 Nov 2009
Posts: 219
Posted: Thu Dec 10, 2009 2:27 am    Post subject:
My G70 has original OEM tubes & does'nt have those stickers ..

Cheers...
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ecrabb
Forum Moderator


Joined: 13 Mar 2006
Posts: 15909
Location: Utah

TV/Projector: JVC RS40, Epson 5010
Posted: Thu Dec 10, 2009 2:42 am    Post subject:
That was an NEC factory mod on XG LC's. I think it's just supposed to help with light-spill (and ultimately ANSI contrast).

SC
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