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Sony 1272/IFB12A HD question

 
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Curt Palme
CRT Tech


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

TV/Projector: All of them!

Posted: Sun Dec 06, 2009 9:18 pm    Post subject: Sony 1272/IFB12A HD question

Ran across a problem that I'd never seen before. The customer has a Sony BR player running via component to an IFB 12A card supplied by me.

His existing 12A card had all sort of color shift issues, so we swapped it for one of my cards, set to the proper position jumper-wise.

Menus came up fine at 1080i on the projector, and I spend a couple of hours pulling the lenses off, cleaning the dust off the backs of the lenses and tubes, which cleared up the haloing and fuzziness in general.

It dialed in nicely, save for a bit of softness due to 4500 hours on the tubes.

When we put in a BR movie, the set had massive black crushing, and I had to crank the brightness up to 80 to get any low level detail from the image.

Thought that was a bit strange, so I then went to a SD DVD, running at 480p, and got all my brightness back. Brightness on the new memory location went back to 50, and actually a bit less to maintain blacks.

So where's the problem here? Should the customer get a Fury2 at the rack and run that to the projector, is the IFB 12A that I supplied (almost new in the box, super low hours on it) bad, or ?

Thanks!
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AnalogRocks
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Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G

Posted: Mon Dec 07, 2009 1:22 am    Post subject:

I thought the IFB 12A's couldn't do much over 576p properly? Something about a color shift. I read it here a long time ago.

I can tell you Curt, that an HDFUry1 work's nice with the buffered input of the IFB 12A cards. HDFUry2's recommended if he's switching through a receiver.

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Last edited by AnalogRocks on Thu Dec 10, 2009 5:58 pm; edited 1 time in total
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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 5:52 pm    Post subject:

I went back yesterday, and installed a Fury2 via his IFB 11. I'm going to play with the IFB 12A, as Ive used it a bunch of times at 1080i with no problem, but this IFB 12A didn't have a color shift, it just had massive black crushing.

I'll play with it as soon as I set a 1252 up again.

The Fury solved everything, the pix looked great.

Cheers!
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AnalogRocks
Forum Moderator


Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G

Posted: Thu Dec 10, 2009 5:58 pm    Post subject:

Curt Palme wrote:
I went back yesterday, and installed a Fury2 via his IFB 11. I'm going to play with the IFB 12A, as Ive used it a bunch of times at 1080i with no problem, but this IFB 12A didn't have a color shift, it just had massive black crushing.

I'll play with it as soon as I set a 1252 up again.

The Fury solved everything, the pix looked great.

Cheers!


That's an odd one....

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