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Author Topic: A nice green tint.  (Read 1911 times)

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johnnybleu

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A nice green tint.
« on: January 06, 2009, 06:45:20 pm »
I recently bought a working cab, with what I assume is the original monitor. Anyway, the colors on the monitor are pretty faded, and everything's sortta greeenish... As far as I can tell, the only adjustments for the monitor are things like size, position, contrast, and brightness.

Should there be adjustments for tint, color balance, or even RGB somewhere- or is the monitor just old?

Thanks!

SirPeale

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Re: A nice green tint.
« Reply #1 on: January 06, 2009, 07:50:06 pm »
Knowing the make/model of monitor, as well as a picture of the screen, would be helpful.

johnnybleu

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Re: A nice green tint.
« Reply #2 on: January 06, 2009, 08:17:35 pm »
Oh, yes, of course! Sorry  :banghead:

The monitor (as far as I can tell) is a WG 25K7193, running a Zenith EIA 1101 tube. Those numbers could be way off- there's stickers and numbers everywhere back there.

Here's some screenshots too- mind you I'm no expert at taking pictures of a screen. I guess it's more of a blueish-green tint. And you can enjoy the nice screen burn too. ;)





Anyway, I don't know if it just needs degaussing (I doubt) or a cap kit, or even just some adjustments. Whatever the case, I just hope the monitor's not on it's last leg.  :-\

Thanks!

Oh, I also wanted to add.... I noticed a sticker on the frame that said something along the lines of "120V 60Khz max". Does that mean that this monitor can actually handle a 60Khz video signal? As in, I wouldn't need special software to run Mame on it? Or is that just something else...?
« Last Edit: January 06, 2009, 08:19:47 pm by johnnybleu »

SirPeale

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Re: A nice green tint.
« Reply #3 on: January 07, 2009, 08:02:30 am »
Check again...it says "60 Hz" not "60KHz".

It's hard to say from those pictures.  Street Fighter has a video test mode with color stripes, can you post a picture of that screen?

SirPeale

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Re: A nice green tint.
« Reply #4 on: January 07, 2009, 08:03:59 am »
Oh, a green tint may be caused by the green drive on the neckboard being turned up too high. 

johnnybleu

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Re: A nice green tint.
« Reply #5 on: January 07, 2009, 01:44:34 pm »
Alright, here's the color test screen. Again, it's hard to capture colors truthfully with a camera- especially if you don't know what you're doing.



Also, I did find 6 more knobs on the back of the monitor- R DRIVE, R CUT OFF, G DRIVE, etc etc etc.
So you're saying I should turn down the green drive and see if that does it? Or basically, just trying to adjust the colors with those... Anything in particular I should watch out for? Can I damage anything, or should I go to town and find a setting that looks good?

Thanks again for the help!

SirPeale

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Re: A nice green tint.
« Reply #6 on: January 07, 2009, 03:41:37 pm »
Yes, turn the green drive down just a hair.

johnnybleu

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Re: A nice green tint.
« Reply #7 on: January 07, 2009, 04:13:00 pm »
Alright, well I played around with the red, green, and blue "drive" knobs and got a pretty decent picture!
Looks fine to me. It's a tad dim, but that's just coz I'm running a PC with no video amplifier.... Anyway, that's another matter.

Thank you for the help! I'm just glad no costly repairs and/or replacements are needed!