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ADV Encoder Not Outputting Anything

Question asked by joe.triggs Employee on Apr 29, 2010
Latest reply on Apr 29, 2010 by joe.triggs

We still can not get the ADV7179 to work...

We have modified the design to provide a pull-up on the BLANK# pin and we still do not get an output.
My MPEG decoder has series resistors on its outputs...I removed the resistors that are on the HSYNC and VSYNC lines in case the ADV7179 wants to drive those signals when put in Color Bar mode...this also did not help.
We can read/write the registers of the device, so it appears we are communicating/configuring.
We even tried simply resetting the device then writing only the control bit to enable color bars and we have no output.