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Discussion Starter · #1 ·
I have a Sanyo 21N with a Quadscan Elite on a Grayhawk Screen. Whether I calibrate it or not, use the Quadscan or not, or adjust the colors or not, my shadows are green. What is going on here? Everyone says this model is supposed to be great. What can I do?
 

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Jaron,


Does it appear like colors that should be dark gray or black appear dark green instead? Is it through the entire picture?


If the answer is "yes" to both, it sounds like it may be a gamma table misadjustment. Do you know if the Sanyou 21N has an updatable gamma table? You might be able to fix this...
 

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Has it been that way since day one, or is this a change from when it was new?


(I assume you have tried to reset it to the factory defaults)




------------------

Joe (Boy am I sick of reregistering!)
 

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Discussion Starter · #4 ·
At first it was just in the shadow detail around faces but then my wife informs me that even dirt in Charlie's Angels looks green. Unfortunately she is right even if her taste in movies is awful. I tried lowering the green but then everything looks red. I tried resetting to factory defaults but haven't touched the service menu as I don't know how it works. And it is new so this is not something that changed recently. Thanks for any help!
 

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jaron,


Are you sure that you've matched the Quadscan output format

to the 21N input format?


When I hear someone say that they have too much green -

it might be because they are taking a component signal

Y/Pr/Pb and feeding it into an RGB input.


The Y signal would probably be connected to the green input.

However, since Y = Green + Red + Blue; the "Green" signal is

too strong because it is total luminance; not just green.


Since the Quadscan has both RGB and component outputs, and

the 21N has both component and RGB inputs - make sure you

don't have these cross-connected.


Greg
 

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Discussion Starter · #6 ·
that is interesting. my quadscan only has a 15 pin output that I have connected with a VGA cable to the Computer 1 input on my projector. Do I have other choices?
 

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I'm not familiar with the Quadscan nor the XN21.


All I know are from the webpages:
http://www.focusinfo.com/products/tv...w_quadscan.htm


and
http://www.sanyolcd.com/products/pdfs/XP21N.pdf


It's pretty clear the projector has both RGB and component

Y/Pr/Pb inputs - I'm not so sure about the Quadscan.


However, you said you had the problem without the Quadscan.


Were you feeding a DVD player output directly to the Sanyo?


A DVD player will most likely not have RGB - but will have

component Y/Pr/Pb. So be sure that the component output of

the DVD player is going into a component input on the

Sanyo projector.


Greg
 
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