Check it out!
This is what my CT scanners looked like before I figured out that I had the scanners and the amps switched. IOW, the X amp was driving the Y scanner and vice-versa.
James.
THIS USER WAS CLUEBYFOURED
Check it out!
This is what my CT scanners looked like before I figured out that I had the scanners and the amps switched. IOW, the X amp was driving the Y scanner and vice-versa.
James.
Senior Member
That's something I thought of doing also.Originally Posted by DZ
I'll try it when it get back home to my projector this weekend.
Senior Member
Bingo...
Love, peace, and grease,
allthat... aka: aaron@pangolin
Senior Member
I purpously didn't connect the signal ground to pin 25 because the writeup of Bill Benner about projector wiring mentioned not to do so ...
But I didn't have too much time sunday and i didn't try it out
Senior Member
I tried that also and had a nasty wobble... pin25 to scanner common on PSU, wobble gone.
Senior Member
Well knowing that it isn't connected means this is definately, 100% the problem. The amps need some kind of reference, the differential signal alone isn't enough. If you re-read through Bill's recommendations, it should say somewhere in there about connecting ILDA pin 25 to the scanner power supply by way of "star grounding". Now, depending on how your projector is wired, this may not mean you simply connect it to "FG" or "GND". Which is typically "earth ground", you instead may want to connect it to the 0V line from the power supply, or "common".I purpously didn't connect the signal ground to pin 25 because the writeup of Bill Benner about projector wiring mentioned not to do so ...
But I didn't have too much time sunday and i didn't try it out
Senior Member
Aaah, maybe if I join the grounds of the 24V psu for the scanners and the ground on the 5V psu I use to power all the rest (including the FB3)
But anyways, Isn't it the poin of differential receivers that they don't need a reference? Just a voltage between the two terminals ...
Senior Member
FourDee, or Niels if I remember right:
where are you in Belgium? I would like to see a real RGB (if it is not too far) as an example for my own one (currently just a broken computer case on the attic)
And don't forget to take pictures sunday!
Senior Member
I'm in Menen, that's pretty close to where you live if I'm not mistaking.
I'm sure we can arrange to meet sometime (but first I need to address some issues (like the grounding problems))
I'll let you know
Last edited by FourDee; 12-10-2008 at 12:50.
Senior Member
That would be great! Maybe in a school holiday, for example the next one (first have to take a few more exams... only four... must... resist... urge... to... fall... asleep... must... study... only... four... left... almost... holiday...
Sorry, I must have felt asleep in the past sentence)
From what I understood in your posts you're also a student, because you were not home during the week?
Where do you live in Menen? I can take a train to there, if it isn't too far away from the station.
Oh well, I will send you a PM with all details, when I have convinced my parents
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