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ADV7612 - HDMI Input tied to GND

Question asked by andreasbe on Nov 23, 2011
Latest reply on Nov 24, 2011 by andreasbe



We have a problem with the HDMI Input A pins always tied to GND (Input B is unused, Pins are also tied to GND).

While DDC communication works (EDID is OK), no Video arrives on the HDMI input.

On other Boards we see the HDMI Inputs around 3 V plus the signal.

We have 0V and no signal.


Our output (ADV7510, working fine with other boards) seems to be in normal operation mode, but we measure no signal.


Any Ideas what could happen here?