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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Weird CRT monitor acting like an LCD !
I have a 21" Dell CRT monitor. About a third of the way from the top
of the screen there is a horizontal line - just like you see when an entire line of pixels fails on an LCD monitor. It's only very faint at the moment. The line is dead still (doesn't roll with the refresh rate) and it is (obviously) more noticeable when the screen is white or the white mouse pointer is positioned so the line passes through it. What would cause this kind of fault !? Allan. |
#2
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Weird CRT monitor acting like an LCD !
"(Just) Allan" wrote in message ... I have a 21" Dell CRT monitor. About a third of the way from the top of the screen there is a horizontal line - just like you see when an entire line of pixels fails on an LCD monitor. It's only very faint at the moment. The line is dead still (doesn't roll with the refresh rate) and it is (obviously) more noticeable when the screen is white or the white mouse pointer is positioned so the line passes through it. What would cause this kind of fault !? Allan. It sounds like it might be a trinitron/aperture grill CRT, which has support wires approx 1/3 from the top and bottom of the screen. If so, this isn't a fault, it's perfectly normal. Generally the wires should be very faint, though noticeable on light screens. Dave |
#3
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Weird CRT monitor acting like an LCD !
(Just) Allan wrote:
I have a 21" Dell CRT monitor. About a third of the way from the top of the screen there is a horizontal line - just like you see when an entire line of pixels fails on an LCD monitor. It's only very faint at the moment. The line is dead still (doesn't roll with the refresh rate) and it is (obviously) more noticeable when the screen is white or the white mouse pointer is positioned so the line passes through it. What would cause this kind of fault !? Allan. Sounds like you have a Trinitron, it'd be either vertically flat, or completely flat face. There's another line about 1/3 up from the bottom, this is by design and is perfectly normal, I can see the lower one on my own monitor as I write this, it's quite faint though, I don't notice it unless I look for it. |
#4
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Weird CRT monitor acting like an LCD !
On Sun, 11 Dec 2005 19:05:12 GMT, James Sweet
wrote: (Just) Allan wrote: I have a 21" Dell CRT monitor. About a third of the way from the top of the screen there is a horizontal line - just like you see when an entire line of pixels fails on an LCD monitor. It's only very faint at the moment. The line is dead still (doesn't roll with the refresh rate) and it is (obviously) more noticeable when the screen is white or the white mouse pointer is positioned so the line passes through it. What would cause this kind of fault !? Allan. Sounds like you have a Trinitron, it'd be either vertically flat, or completely flat face. There's another line about 1/3 up from the bottom, this is by design and is perfectly normal, I can see the lower one on my own monitor as I write this, it's quite faint though, I don't notice it unless I look for it. Yep, that's it alright - thanks folks. |
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