Re(2): iMac CRT Oddities (Brian)

[Jason E. McCormick]

The color convergence is off too, unfortunately. The text and 
background image in the picture is just as I see it in person, Blurry 
and kinda faded in some areas. I wish it were due to the camera! :-) I 
believe I took the second picture, DCS00012, with the flash off, though 
I maybe mistaken.

I've done a bunch of work on monitors and TV's, though I've never run 
across something quite like this. Any idea what might be involved with 
setting convergence? I'd like to use this iMac, or perhaps sell it at 
some point, and external monitors take up too much valuable desk real 
estate.

I can try to get some more pics this afternoon, if Chris' firmware 
update doesn't work. Otherwise, thanks for your input, (please keep the 
good stuff comin'!) :-)

THanks again

Jason McCormick
email: <[EMAIL PROTECTED]>
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On Tuesday, June 24, 2003, at 10:44  AM, iMac List wrote:
Jason, from the picture, it appears that your pincushion correction
circuitry is failing. It also appears (although this may be an artifact
of your camera) that the color convergence is off. I think if the
monitor were to be recapped (which is, all of the capacitors, which dry
up over time, get replaced), it would take care of the pincushioning 
and
blurry picture. Convergence, however, is a royal PITA to set, and
dangerous if you don't know what you're doing.

Is the picture blurry like that, or is that because of the camera? Try
taking a couple more pictures in a dark room, with the flash off, and
with a background desktop image with a text window open (with some
text), and I could give a better (although not 100% because I'm not
there) diagnosis.
Brian


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