We are using the ADV7188 to encode a NTSC signal into BT656 with embedded syncs. The output from the ADV7188 is going into a SDI video serializer (CLC020). We are monitoring the SDI using a Tek waveform analyzer scope (WFM 7120).
We are getting Closed Captioning Error (EIA-608 CC and F2 but not F1). There is what i call "spooge" at the top of the screen. This "spooge" is just enough that some of the monitors we make cannot decode the video properly.
It is like we need to adjust the SAV or EAV but I am not really sure how to fix this problem. Any help is appreciated.