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Attaching a Compaq monitor via BNCs...

I have an old 17" Compaq monitor which has no model number on it that I can currently discern.  At the back are five female BNC connectors: white, black, red, green, and blue.  While this colour scheme is obvious, the cable I have for it consists of five male BNC connectors: one yellow and two pairs of red & black.

Could someone guide me to setting up which way around the connectors should go or point me in the right direction of a web site please?  It's fairly ugrent as my kids want to play games on a monitor that can show more than 640x480! :)
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Barthax
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Barthax
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2 Solutions
 
Pete LongConsultantCommented:
Hi Barthax,
Very strange - the only BNC connectors Ive ever seen had a Red, Green, Blue, Horizontal, and Virtical connector on them??

PeteL
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BarthaxAuthor Commented:
IIRC white is horizontal & black is vertical, which would tie in with your knowledge.  The problem I have is the cable itself, while having the five connectors, has two pairs of red & black plus a yellow. :(
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CallandorCommented:
Since these are signal level voltages and you have an unorthodox color labelling, you can try plugging them in by trial and error.  There are only so many combinations with 5 plugs, each of which must be plugged in.  The horizontal and vertical will be obvious when you get them right - no flickering or scrolling; and red green and blue will be right when the colors come out right.

You can also look at this pinout diagram and use a continuity tester on the BNC plugs to see which goes where: http://www.bbdsoft.com/video.html
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BarthaxAuthor Commented:
Well, I managed to get a set of cables correctly colour coded & the monitor appears to be dead! :(

Many thanks for the help anyway. :)
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Pete LongConsultantCommented:
Bad luck :(

Thanks Anyways

Pete
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BarthaxAuthor Commented:
For information, I've managed to configure someone else's monitor with the cable. :)  Turns out the following:

Red & Black (1): Vertical (red) & Horizontal (black)
Yellow: Blue
Red & Black (2): Red (red) & Green (black)

There's still no distinguishing between the pairs of red & black cables though. :(
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BarthaxAuthor Commented:
D'oh, sorry, my notes were wrong first time on the Horizontal/Vertical!  Here's the correct ones:

Red & Black: White/Horizontal (red) & Black/Vertical (black).

black = black - the only match of the lot! :)
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