HDMI/DVI compatibility - AVS Forum
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post #1 of 2 Old 03-18-2007, 03:51 AM - Thread Starter
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My set-up:
Toshiba HD-XE1, a Denon 3930, and a Playstation 3.
Cable1: Gefen fiber 10m DVI-DVI w/DVI-HDMI adapter on source end.
Cable2: Kramer fiber 20m HDMI-HDMI w/HDMI-DVI adpter at receiver end.

Toshiba: cable1 - no picture or snow, cable2 - picture
Denon: cable1 - picture, cable2 - blinking picture (on/off)
PS3: cable1 - picture, cable2 - picture

Tried different projectors, same result. Cable2 even has an extra 5V psu, so I find the results here very confusing. Any suggestions?
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post #2 of 2 Old 03-21-2007, 03:20 PM
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The source does have some effect on the signal strength, such as the swing voltage and the strength of the I2C signal used for the HDCP encryption. This seems to show that the PS3 has a more roust driving capability than the other devices.

As for why one cable works while the other does not, and then vica-versa for a different source, it could be related to impedance matching between the source, adapter and cable.
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