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Help with BD701s and X-box picture very dark

 
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tommo2



Joined: 03 Jun 2006
Posts: 226
Location: Ireland

Posted: Fri Apr 11, 2008 1:09 am    Post subject: Help with BD701s and X-box picture very dark

Okay, I have been displaying 1080i and 720p on the pj fine via my dvd player and iScan HD scaler. The picture is fantastic, although a little soft (7" tubes and all that)
I am trying to connect an xbox360 to the pj. I have tried the composite video into the scaler at 480p and the picture is ok, although a bit gloomy in dark areas.
I then tried xbox component video output (via the scaler passthru) and the picture is so dark it is barely visible
I then tried the xbox vga cable and all resolutions above 480p are barely visible.
I have tried using a VGA coupler to connect the xbox to the projector directly and it is still the same.
Maybe is the projector cable too long?
The cable is 40 foot, high quality. I dont have a problem with my other sources, via the scaler.


Maybe has anyone any ideas why the picture is so poor? The only thing I havent tried yet is connecting the xbox directly to the pj using a short cable.

I have tried H shift etc to no avail.

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Barco Data 701s
iScan HD scaler with sdi mod
Oppo 981HD with sdi mod
Xbox 360
Playstation 2
Denon AVR 1507 7.1 AV receiver
Wharfedale Diamond 9.4 floorstanders (front)
Wharfedale EVO2 (center)
Pioneer 100W (sides)
Wharfedale Diamond 9.1 (rear)
Wharfedale SW150 active subwoofer

Photos on the way!
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tommo2



Joined: 03 Jun 2006
Posts: 226
Location: Ireland

Posted: Fri Apr 11, 2008 2:22 am    Post subject:

Well, i just made up a short rca to bnc cable to connect the xbox component to the pj directly using a SHORT cable, and I have an awesome picture.
I have had the xbox for nearly a year now and am only finally able to enjoy it. So I reckon the cable driver on the xbox is not very powerful.
Obviously the passthru input on the scaler isnt boosted using the in-built cable driver. Makes sense now.

But I think I need an external cable driver.
My current setup is this:

DVD via SDI to scaler.
Playstation 2 to scaler.
Scaler to pj via 40 foot vga to 5 bnc cable.

I am using the scaler as a switcher so I reckon i should connect the xbox to it and use some sort of device which will act as a cable driver and possibly give me some gamma boost aswell.

Any ideas on what to get to do this. Also, where in the line to put it. I would imagine it would be best to put it after the scaler so this way I can get gamma boost on all devices. Is this possible and is there such a device?

All thoughts welcome and appreciated as always.

Cheers Y'all.

_________________
pull up the handbrake and walk away

Barco Data 701s
iScan HD scaler with sdi mod
Oppo 981HD with sdi mod
Xbox 360
Playstation 2
Denon AVR 1507 7.1 AV receiver
Wharfedale Diamond 9.4 floorstanders (front)
Wharfedale EVO2 (center)
Pioneer 100W (sides)
Wharfedale Diamond 9.1 (rear)
Wharfedale SW150 active subwoofer

Photos on the way!
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kal
Forum Administrator


Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada

TV/Projector: JVC DLA-NZ7

Posted: Fri Apr 11, 2008 2:46 am    Post subject:

tommo2 wrote:
I am using the scaler as a switcher so I reckon i should connect the xbox to it and use some sort of device which will act as a cable driver and possibly give me some gamma boost as well.

Any ideas on what to get to do this. Also, where in the line to put it. I would imagine it would be best to put it after the scaler so this way I can get gamma boost on all devices. Is this possible and is there such a device?

RGB Cable driver and gamma boost? Funny you should ask, there's a new device out that does exactly and only this: The Box1021! Smile



$119 shipped anywhere in the world. Sold by X-vue, formerly known as HDglobal. They have a sub-forum here if you have questions.

See: www.curtpalme.com/Box1021.shtm

For $30 more you can get the Box1020 which also converts to Component if you need it and has some other features. See: www.curtpalme.com/Box1020.shtm

Here's a picture of Box1020:



Kal

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tommo2



Joined: 03 Jun 2006
Posts: 226
Location: Ireland

Posted: Fri Apr 11, 2008 3:11 am    Post subject:

Cheers Kal. I am now deciding between the box 1021 and the RTC2200. I assume the box 1021 will work with the HD furk aswell.

Also, I am new to this cable driver and gamma boost stuff. I am going for a setup like this:

Xbox 360 to scaler passthru.
DVD via sdi to scaler.
Scaler output to box 1021 or RTC2200.
Box 1021 or RTC2200 to projector.

This way I can use the scaler to switch between all my sources.

Now, the output from the scaler has a cable driver for all inputs except the passthru. This means that the signal from my dvd player to the Box 1021 or RTC2200 has a cable driver (in the scaler) and does not need boosting.
The output from the scaler when using the Xbox is via scaler passthru input (no cable driver). This is where I really need the external cable driver.

If i connect the way I propose to, will the Box1021 or RTC2200 have to be adjusted when switching between dvd (strong signal) and xbox (weak signal in desperate need of a boost)?

Thanks for your help

_________________
pull up the handbrake and walk away

Barco Data 701s
iScan HD scaler with sdi mod
Oppo 981HD with sdi mod
Xbox 360
Playstation 2
Denon AVR 1507 7.1 AV receiver
Wharfedale Diamond 9.4 floorstanders (front)
Wharfedale EVO2 (center)
Pioneer 100W (sides)
Wharfedale Diamond 9.1 (rear)
Wharfedale SW150 active subwoofer

Photos on the way!
Back to top
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