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Author Topic: DFP-D3000 crosstalk problem on optical input Sam D. Chavez Film God Posts: 2153 From: Martinez, CA USA Registered: Aug 2003 posted 06-10-2009 04:11 PM                       It is possible the cell itself has a problem with the common becoming compromised. Cells do fail at times. Everything will look more or less normal, but when you play film you will not get a surround signal as the stereo cell will essentially turn into a mono cell.  |  IP: Logged Marin Zorica Jedi Master Film Handler Posts: 671 From: Biograd na Moru, Croatia Registered: May 2003 posted 06-10-2009 06:22 PM                     Yea, true, it can sometimes go "bad". BUT, I did try on three different machines I have around me now, all do have aligned readers and 100% working good.  |  IP: Logged Sam D. Chavez Film God Posts: 2153 From: Martinez, CA USA Registered: Aug 2003 posted 06-11-2009 02:27 AM                       Are we talking cells connected directly to processors or readers connected to the processors?  |  IP: Logged Marin Zorica Jedi Master Film Handler Posts: 671 From: Biograd na Moru, Croatia Registered: May 2003 posted 06-11-2009 06:01 AM                     Cells.  |  IP: Logged Alan Haigh Film Handler Posts: 45 From: Watford, UK Registered: Jul 2003 posted 06-20-2009 10:02 AM                    So the cell has a single common (or negative) rather than one for left and one for right. - I think for this balanced input you'll have to connect pins 6&9 to 1&4 colds to ground, - otherwise you are putting the left and right cold into the cold of both. -- I think it must be an impedance thing - the transformers would be the best solution - near the projector. I believe Sony did redesign this input circuit to work with solar cell impedances, which are incredibly low.  |  IP: Logged Marin Zorica Jedi Master Film Handler Posts: 671 From: Biograd na Moru, Croatia Registered: May 2003 posted 06-20-2009 11:53 AM                     Well.....it work when I connect cell common to audio GND, hot to hot of input and shield of cable to chassis, like on Dolby. But maybe they had other revision of this board....even on manual is different (better) preamp, but my board has different, on manual it says unit with serial 10001 and higher...mine is 10334.....  |  IP: Logged

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