HDMI Bringup issue in Costum board

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HDMI Bringup issue in Costum board

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aabhishekoct18
Contributor III

Hi  Team 

We made  one custom board based  on iMX 6  solo , first  time we  are doing bring up , at the  time of boot up we are able  to see  NXP logo  but  after that we are continuously getting even of  HDMI plug in and  plug out every 1-2 sec  . Same Display and cable if  we are  using everything works  fine.

1) Please  check  schematic once if  any change is  required  ?

2) Please  explain me or provide  me some documents which can explain me flow  of events so that i can  probe  everything  and  try to  figure out where is  actual issue ?   

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igorpadykov
NXP Employee
NXP Employee

Hi Abhishek

one can look at various hdmi detection issues described on

https://boundarydevices.com/configuring-i-mx6-machines-different-screens-nitrogen6x-sabre-lite/ 

https://boundarydevices.com/dvi-support-on-i-mx6-boards/ 

HDMI schematic example can be found in Sabre SD design files

Design files, including hardware schematics, Gerbers, and OrCAD files. 

Best regards
igor
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