Ghosting on Hitachi CM772 - warranty claim?

beatle

Diamond Member
Apr 2, 2001
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My 19" Hitachi CM772 has developed some ghosting along the edges of windows. I haven't seen something like this in years and I'm wondering if it would be suitable for a warranty claim? If not, how can this be corrected? I don't have the warranty card handy any longer, but I know that it goes for 5 years.
 

ISAslot

Platinum Member
Jan 22, 2001
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What do you mean exactly by ghosting? Latency in the screen going from light to dark when some action is happening, or the static transistion from a dark to light color?

If it's the static dark to light, then I have the same issue with my Hitatchi 21". I assume it's just a trade off for the brightness and other attributes of the monitor construction. I suppose if we hear from someone without this problem, we can tell if it is indeed normal or otherwise.
 

beatle

Diamond Member
Apr 2, 2001
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This is on stationary windows, only really noticeable under lighter colors though. On the left edge of the monitor or on the left edge of a window the color tends to bleed over a lot. This is similar to the ghosting you may see on a TV with very poor reception. You'll see the image, and right next to it a faint outline/ghost. My 17" Hitachi 641 has none of these issues.
 

Floydian

Senior member
Dec 13, 1999
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Is ghosting like when you put a white box on a black background, and the white bleeds sort of?

Just wondering, my monitor sort of does this (Viewsonic PF790, Aperture Grille)
 

ISAslot

Platinum Member
Jan 22, 2001
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Originally posted by: beatle
This is on stationary windows, only really noticeable under lighter colors though. On the left edge of the monitor or on the left edge of a window the color tends to bleed over a lot. This is similar to the ghosting you may see on a TV with very poor reception. You'll see the image, and right next to it a faint outline/ghost. My 17" Hitachi 641 has none of these issues.

Okay, I see. I'd say it's a problem and you should atleast ask Hitachi about it. They have a tech email on their site. Hope you get it resolved.
 

beatle

Diamond Member
Apr 2, 2001
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Problem solved... I was using a monitor extension cord on this monitor and that caused the problem... are all cords of apparent low quality or are there some that don't cause this problem? It is a bit on the thin side.
 

subhuman

Senior member
Aug 24, 2000
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A better quality cable will definitely help; however a good monitor extension cable will also set you back ~$50 :(