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Thread ID: 48681 2004-08-30 00:56:00 Crt Monitor yingxuan (3330) Press F1
Post ID Timestamp Content User
266778 2004-08-30 00:56:00 Are the vertical and horizontal sync pulses from a crt monitor is the colour green,red,blue ray that shoots out? yingxuan (3330)
266779 2004-08-30 01:06:00 ?:| Miami Steve (2128)
266780 2004-08-30 01:10:00 No.

The sync pulses just keep the image locked on screen. The CRT doesn't use "coloured" rays either, it uses three electron beams to selectively illuminate phosphor dots on the screen that give off red, green and blue light respectively.

Take a look through the "How Things Work" website and you should find more information. If you can't find a monitor, a colour TV will do as the technology is identical. I haven't time to do the search for you.

Cheers

Billy 8-{)
Billy T (70)
266781 2004-08-31 09:19:00 Hi yingxuan

Could you reword your posting please, I am confused, and I sometimes fix monitors.

The vertical and horizontal sync circuit, & the Red-Green-Blue bit are completely different circuits belive ir or not, the signals all come from the video card in your computer or mostly now from the video part of your computer mother board,

sometimes the snyc (one or both) might be positive or negative going and this will determen what screen resolution wil be e.g 640 * 480, 800 * 600, what ever, not that you asked about I just thought I whould woffel on a bit.
Earnie Moore (5918)
266782 2004-08-31 10:15:00 If you are still interested, take a look here, (computer.howstuffworks.com) it should answer most of your questions.

Cheers

Billy 8-{)
Billy T (70)
266783 2004-08-31 10:30:00 Here is another one encyclopedia.thefreedictionary.com Earnie Moore (5918)
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