WG6401 swap

From: Jeffrey Matthews <spender1111_at_earthlink.net>
Date: Thu Aug 12 2010 - 01:40:40 EDT

Hi;
I'm putting together an Aztarac project and since acquiring the WG19K6401 med res monitor seems to be an act of futility, I am now looking at the possibility of swapping a med res Amplifone set in it's place.
Thanks to David Fish who had posted the input specs for the 6401, it seems that I might have a chance, although the display would be a little smaller than that of the 6401, it might just work.

The reason for this post is to get opinions as to the validity of my theory.

The 6401 specs are:
"X" full deflection 8V P/P  (+4V to -4V) 15 inches
"Y" full deflection 6V P/P  (+3V to -3V) 11.25 inches

The Amplifone specs are:
"X" full deflection 16V P/P  (+8V to -8V) 15 inches
"Y" full deflection 12V P/P  (+6V to -6V) 11.25 inches

As you can see, the voltage requirement for full deflection of the Amp is exactly twice that of the WG and the ratio of "X"  voltage  to "Y" voltage remains the same. Taking this into consideration, would it be possible then, to just substitute the Amp in it's place without fear of negative physical consequences to the PCB or monitor?

I understand that the display area using the Amp set would be approximately half of what it would be using the 6401 but could it not be adjusted, although slightly,  utilizing the "X" and "Y" size pots on the PCB?

Taking it a step further, would it be possible to actually modify the PCB, by replacing components, to output twice the voltage levels or is that taking it too far?

I'm still searching for the actual WG19K6401 manual as well as the monitor itself, if anyone has any leads, they would be greatly appreciated!

Thanks
Jeff M.


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