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OT slightly- Trinitron blemish on CRT will not clean up [message #19763] Sun, 14 October 2012 15:38 Go to next message
Jonas Lopez is currently offline  Jonas Lopez
Messages: 7
Registered: August 2012
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OT slightly- Trinitron blemish on CRT will not clean up

Using my
G4 with an older CRT display Sony Trinitron Multiscan G500, I notice
stuff on the screen that suggests it is simply dirty, but cleaning does
not work. I also notice that the image (like the arrow) is clearly 1/4"
on the other side of a thick piece of glass, because I can move my head
and see that the stuff is on this side of the glass.

Is this a
protective glass that has somehow gotten dirty? I was under the
impression we are looking as the actual CRT glass of the tube and no
removable glass existed. I may be wrong?

The picture is beautiful, but the stuff, grey smudges are annoying when you look closely. Any suggested cleaners?

jml

"I'm a designated FREE SPIRIT HITCHHIKING on the Information Super Highway"



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Re: OT slightly- Trinitron blemish on CRT will not clean up [message #19779 is a reply to message #19763] Sun, 14 October 2012 17:55 Go to previous message
Valter Prahlad is currently offline  Valter Prahlad
Messages: 87
Registered: September 2012
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Member
Il giorno 14-10-2012 21:38, Jonas Lopez ha scritto:

> OT slightly- Trinitron blemish on CRT will not clean up

>

> Using my

> G4 with an older CRT display Sony Trinitron Multiscan G500

> [...]

> I was under the

> impression we are looking as the actual CRT glass of the tube and no

> removable glass existed. I may be wrong?


I have a Sony monitor very similar to yours (mine is an E500).
I do not notice on my monitor the same problem you are experiencing, thus I
cannot really help.

IMO, though, there IS a glass panel in front of the actual CRT, because I
think a CRT cannot be completely flat as the monitor appears.
Hence, it could be some dust infiltrated between the CRT and that glass; I
know some iMac (G5/Intel) had this problem, dust infiltrating underneath the
screen (static energy on the screen obviously helps).

Although, looking for "monitor dust inside" on Google, it looks like the
dust problem affects much more the LCD displays than it does with the CTRs.

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